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HP Personal Computer 43361 User's Manual

1. Legacy diskette No emulation options available CD ROM drive No emulation options available ATAPI LS 120 None treated as Other Diskette treated as diskette drive Qy Support for specific Computer Setup options may vary depending on the hardware configuration Service Reference Guide dx7300 433611 001 2 5 Setup Utilities and Diagnostics Features Heading Option Description Storage Device Multisector Transfers ATA disks only continued Configuration Specifies how many sectors are transferred per multi sector PIO continued operation Options subject to device capabilities are Disabled 8 af le Pp p and 16 Transfer Mode IDE devices only Specifies the active data transfer mode Options subject to device capabilities are PIO O Max PIO Enhanced DMA Ultra DMA O and Max UDMA Translation Mode ATA disks only Lets you select the translation mode to be used for the device This enables the BIOS to access disks partitioned and formatted on other systems and may be necessary for users of older versions of UNIX e g SCO UNIX version 3 2 Options are Automatic Bit Shift LBA Assisted User and None AN CAUTION Ordinarily the translation mode selected automatically by the BIOS should not be changed If the selected translation mode is not compatible with the translation mode that was active when the disk was partitioned and formatted the data on the disk will be inaccessible T
2. Service Reference Guide dx7300 433611 001 7 9 Removal and Replacement Procedures Slim Tower ST Chassis There are three drive bezel inserts that are available Item Description 1 Diskette drive bezel e Hard drive bezel 3 5 drive bezel 7 10 433611 001 Service Reference Guide dx7300 Removal and Replacement Procedures Slim Tower ST Chassis 7 7 Cable Management The Small Form Factor chassis is a very compact computer and proper routing of the internal cables is critical to the operation of the computer Follow good cable management practices when working inside the computer Keep cables away from major heat sources like the heatsink Do not jam cables on top of expansion cards or memory modules Printed circuit cards like these are not designed to take excessive pressure on them Keep cables clear of movable or rotating parts like the power supply and drive cage to prevent them from being cut or crimped when the component is lowered into its normal position When folding a flat ribbon cable never fold to a sharp crease Sharp creases may damage the wires Some flat ribbon cables come prefolded Never change the folds on these cables Do not bend any cable sharply A sharp bend can break the internal wires Never bend a SATA data cable tighter than a 30 mm 1 18 in radius Never crease a SATA data cable Do not rely on components like the drive cage power supply or compute
3. Out of Range displays on screen Video resolution and refresh rate are set higher than what the monitor supports Restart the computer and enter Safe Mode Change the settings to a supported setting then restart the computer so that the new settings take effect Vibrating or rattling noise coming from inside a CRT monitor when powered on Monitor degaussing coil has been activated None It is normal for the degaussing coil to be activated when the monitor is powered on Clicking noise coming from inside a CRT monitor Electronic relays have been activated inside the monitor None It is normal for some monitors to make a clicking noise when turned on and off when going in and out of standby mode and when changing resolutions High pitched noise coming from inside a flat panel monitor Brightness and or contrast settings are too high Lower brightness and or contrast settings Fuzzy focus streaking ghosting or shadowing effects horizontal scrolling lines faint vertical bars or unable to center the picture on the screen flat panel monitors using an analog VGA input connection only Flat panel monitor s internal digital conversion circuits may be unable to correctly interpret the output synchronization of the graphics card 1 Select the monitor s Auto Adjustment option in the monitor s on screen display menu 2 Manually synchronize the Clock and Clock Phase
4. Sercice Reference Guide dx7300 433611 001 iii Contents 3 4 ROM Blashivsnid tj atid Mire ohana te E ata A Seen an ein eae oA ka hg 3 9 3 4 1 Remote ROM Flash ce ese egy ee be ne ee ee ae ee See eee 3 9 34 2 POP ashe ies ssi a A aoe aes a gets 3 10 3 4 3 Boot Block Emergency Recovery Mode 0 0 0c cece cece ee 3 10 3 4 4 Replicating the Setup 2 0 ec eee neee 3 11 3 4 5 Dual State Power Button 0 0 ec eee ence e nea 3 15 3 4 0 HP Web Site SUpport oei gocietht don tyity ona hp ead 3 16 3 4 7 Industry Standards oros ia lla eins wea UNA atin ates 3 16 3 5 Asset Tracking and Security 0 eee nent e E ee 3 16 3 5 lt 1 Password S curity sgoran are aoe res agian acd Ja sw ey a deal wens 3 19 3 5 2 Establishing a Setup Password Using Computer Setup 2 000 05 3 19 3 5 3 Establishing a Power On Password Using Computer Setup 3 20 3 34 DriveLock o iria a A SS a ii 3 22 3 5 5 Smart C ver Sensor rises tii A AA A A E a ia 3 24 3 5 6 Cable Lock Provision ic A ee Se ee eee eae 3 25 3 5 7 Fingerprint Identification Technology 00 0 cece eee eee eee ee 3 26 3 6 Fault Notification and Recovery 0 0 ccc eee eee ete ene 3 26 3 6 1 Drive Protection SysSteM o ooo oooooocoro cent e nee nea 3 26 3 6 2 Surge Tolerant Power Supply 0 0 0 cee cece eee e eae 3 26 3 6 3 Thermal Sensors 4 020 806 teh totes Doe it 3 26 4 Serial and Parallel ATA Drive Guideli
5. 5 Turn off the computer and any peripheral devices that are connected to it CAUTION Turn off the computer before disconnecting any cables CAUTION Regardless of the power on state voltage is always present on the system board as long as the system is plugged into an active AC outlet In some systems the cooling fan is on even when the computer is in the Standby or Suspend modes The power cord should always be disconnected before servicing a unit 6 Disconnect the power cord from the electrical outlet and then from the computer 7 Disconnect all peripheral device cables from the computer During disassembly label each cable as you remove it noting its position and routing Keep all screws with the units removed CAUTION The screws used in the computer are of different thread sizes and lengths using the wrong screw in an application may damage the unit Service Reference Guide dx7300 433611 001 6 1 Removal and Replacement Procedures Microtower MT Chassis 6 2 External Security Devices 6 2 1 Installing a Cable Lock The cable lock may be used to secure the computer access panel to the chassis and at the same time secure the computer to a fixed object Insert the cable lock in the location shown below 6 2 433611 001 Service Reference Guide dx7300 Removal and Replacement Procedures Microtower MT Chassis 6 2 2 Installing a Padlock A padlock may be
6. Cause Monitor is not turned on and monitor light is not on Solution Turn on the monitor and check that the monitor light is on Bad monitor Try a different monitor The cable connections are not correct Check the cable connections from the monitor to the computer and to the electrical outlet Screen blanking utility installed or energy saver features enabled Press any key or click the mouse button and if set type your password System ROM is corrupted system is running in Boot Block Emergency Recovery Mode indicated by eight red blinks from the power LED and eight simultaneous beeps Reflash the system ROM with the latest BIOS image Fixed sync monitor will not sync at the resolution chosen Ensure that the monitor can accept the same horizontal scan rate as the resolution chosen Computer is in standby mode Press the power button to resume from standby mode JX When atiempting to resume from standby mode do not hold down the power button for more than four seconds Otherwise the computer will shut down and you will lose any unsaved data Monitor cable plugged into the wrong If the computer system has both an integrated graphics connector connector and an add in graphics card connector plug the monitor cable into the graphics card connector on the back of the computer Service Reference Guide dx7300 433611 001 D 13 Troubleshooting Wi
7. Reinstall the network drivers using the Restore Plus CD The cable is not securely connected Ensure that the cable is securely attached to the network connector and that the other end of the cable is securely attached to the correct device Service Reference Guide dx7300 433611 001 D 25 Troubleshooting Without Diagnostics Solving Network Problems Continued Problem Cause Solution Network controller stops working without apparent cause continued The network controller is defective Replace the system board New network card will not boot New network card may be defective or may not meet industry standard specifications Install a working industry standard NIC or change the boot sequence to boot from another source Cannot connect to network server when attempting Remote System Installation The network controller is not configured properly Verify Network Connectivity that a DHCP Server is present and that the Remote System Installation Server contains the NIC drivers for your NIC System setup utility reports unprogrammed EEPROM Unprogrammed EEPROM Flash the ROM D 26 433611 001 Service Reference Guide dx7300 Troubleshooting Without Diagnostics Solving Memory Problems CAUTION Power may still be supplied to the DIMMs when the computer is turned off depending on the Management Engine ME settings To avoid d
8. WARNING Text set off in this manner indicates that failure to follow directions could result in bodily harm or loss of life CAUTION Text set off in this manner indicates that failure to follow directions could result in damage to equipment or loss of information Service Reference Guide HP Compaq dx7300 Business PC First Edition September 2006 Document Part Number 433611 001 1 Contents Installing the Operating System 1 1 Installing or Upgrading Device Drivers 0 0 0 eee ee eee nee 1 1 1 2 Transferring Files and Settings 0 0 0 eee cece cnet eee eens 1 2 1 3 Creating a Disc Recovery Set 0 2 eee cece eect e ene ees 1 2 Setup Utilities and Diagnostics Features 2 1 Power On Self Test POST sE eS a tan ed Sa Bae Aaa ese as 2 1 2 2 Computer Setup Utilities coceira eiee cece nee ence nes 2 2 2 2 1 Using Computer Setup F10 Utilities oooooocooconcoocooooooncnc eee 2 3 2 2 2 Computer Setup Menu oi siis cretu de tiota t u EEE e EEE EE Ea e a e i 2 4 2 2 3 Recovering the Configuration Settings 0 0 cece eee eee eee 2 14 2 3 HP Insight Diagnostics ors 0 2 ccc cece ene ERE 2 14 2 3 1 Accessing HP Insight Diagnostics 0 0 0 e eee eee ee eee 2 15 2 3 2 Survey Laberge dean a A a is las 2 15 23 3 Test Tab vic vcs sented ee Res Sue Oe Re CE Seeks a Set cae eee 2 16 2 34 Status Tabiri seta a lana aie daw a ia 2 17 2 3 5 NR 2 17 236 Help Tabir a O td dt a ia tri 2 17 2
9. Asset tag 18 byte identifier and ownership Tag 80 byte identifier displayed during POST e Chassis serial number or Universal Unique Identifier UUID number The UUID can only be updated if the current chassis serial number is invalid These ID numbers are normally set in the factory and are used to uniquely identify the system e Keyboard locale setting for example English or German for System ID entry DriveLock some models Allows you to assign or modify a master or user password for certain ATA hard drives When this feature is enabled the user is prompted to provide one of the DriveLock passwords during POST If neither is successfully entered the hard drive will remain inaccessible until one of the passwords is successfully provided during a subsequent cold boot sequence This selection will only appear when at least one drive that supports ATA Security is attached to the system Gy For more information about Computer Setup see the Computer Setup F10 Utility Guide Support for security features may vary depending on your specific computer configuration 3 18 433611 001 Service Reference Guide dx7300 Desktop Management Mechanical Security Features Feature Purpose How It Is Established Memory Change Alerts Detects when memory modules have been added moved or removed notifies user and system administrator This feature is automatic Cable Lock Provision Inhibits
10. 2 Observe the beeps and LED lights on the front of the computer See Appendix C POST Error Messages to determine possible causes Power LED flashes Red five times once every second followed by a two second pause and the computer beeps five times Beeps continue for five iterations after which the LED flashes will continue until the problem is resolved Memory is installed incorrectly or is bad TX To avoid damage to the DIMMs or the system board you must unplug the computer power cord before attempting to reseat install or remove a DIMM module 1 Reseat DIMMs Power on the system 2 Replace DIMMs one at a time to isolate the faulty module DIMM 1 must always be installed 3 Replace third party memory with HP memory 4 Replace the system board Power LED flashes Red six times once every second followed by a two second pause and the computer beeps six times Beeps continue for five iterations after which the LED flashes will continue until the problem is resolved Graphics card is not seated properly or is bad or system board is bad For systems with a graphics card 1 Reseat the graphics card Power on the system 2 Replace the graphics card 3 Replace the system board For systems with integrated graphics replace the system board Power LED flashes Red ten times once every second followed by a two second pause and the computer beeps ten times Beeps
11. When HP computers are built each installed hard drive is tested using DPS and a permanent record of key information is written onto the drive Each time DPS is run test results are written to the hard drive Your service provider can use this information to help diagnose conditions that caused you to run the DPS software Refer to the Troubleshooting Guide for instructions on using DPS 3 6 2 Surge Tolerant Power Supply An integrated surge tolerant power supply provides greater reliability when the computer is hit with an unpredictable power surge This power supply is rated to withstand a power surge of up to 2000 volts without incurring any system downtime or data loss 3 6 3 Thermal Sensor The thermal sensor is a hardware and software feature that tracks the internal temperature of the computer This feature displays a warning message when the normal range is exceeded which gives you time to take action before internal components are damaged or data is lost 3 26 433611 001 Service Reference Guide dx7300 4 1 4 Serial and Parallel ATA Drive Guidelines and Features Serial ATA SATA Parallel ATA PATA HP only supports the use of SATA hard drives on these models of computer The USDT model is the only product that supports a PATA optical drive No PATA drives are supported on any other model SATA Hard Drives Serial ATA Hard Drive Characteristics Number of pins conductors in data cable
12. 2 GND OAL AO GJ 3 12 V CPU 2 1 4 12 V CPU A 6 433611 001 Service Reference Guide dx7300 Connector Pin Assignments 6 Pin Power for CPU USDT SFF and ST models Connector and Icon NOE SATA Data and Power Pin O 0 BR O N Signal GND GND GND 12 V CPU 12 V CPU 12 V Drive Connector Ent Pin Signal Pin Signal Pin Signal Pin Signal S1 Ground S2 A 53 A S4 Ground S5 B S6 B S7 Ground Pl V3 3 P2 V 3 3 P3 V3 3 P4 Ground P5 Ground P Ground P7 V5 P8 V5 P9 V5 P10 Ground Pll Reserved P12 Ground P13 V 12 P14 V 12 P15 V 12 S Data P Power Service Reference Guide dx7300 433611 001 A 7 Connector Pin Assignments PCI Express x1 x4 x8 and x16 PCI Express Connector PinA Pin Signal Pin Signal Pin Signal Pin Signal Pin Signal 1 PRSNT1 6 JTAG3 1 PERST 16 PERpO 21 PERp 2 12V 7 JTAG4 12 GND 17 PERnO 22 PERn1 3 12V 8 JTAG5 13 REFCLK 18 GND 23 GND 4 GND 9 3 3v 14 REFCLK 19 RSVD 24 GND 5 JTAG2 10 3 3v 1 5 GND 20 GND 25 PERp2 26 PERn 2 31 GND 36 PERn4 41 GND 46 GND 27 GND 32 RSVD 37 GND 42 GND 47 PERp7 28 GND 33 RSVD 38 GND 43 PERp 48 PERn7 29 PERp3 34 GND 39 PERpS 44 PERn 49 GND 30 PERn3 35 PERp4 40 PERn5 45 GND 50 RSVD 51 GND 56 PERp9 l PERn 10 66 GND 71 GND 52 PERp8 57 PERn9 62 GND 67 GND 72 PERp13 53 PERn8 58 GND 63 GND 68 PERp12 73 PERn13 54 GND 59 GND 64 PERpll 69 PERn12 74 GND 55 GND 60 PERp10 65 PERnT 70 GND 75
13. A 3 5 inch diskette drive or zip drive may be installed in this bay but the correct bezel must be installed to ensure proper air flow Service Reference Guide dx7300 433611 001 6 17 Removal and Replacement Procedures Microtower MT Chassis 6 9 2 Removing a Drive 1 Remove any removable media such as a compact disc or diskette from the drive 2 Prepare the computer for disassembly Section 6 1 3 Remove the access panel and rotate the computer so the system board is parallel to the table to make it easier to work on Section 6 3 4 Remove the front bezel Section 6 4 5 Disconnect the power and data cables from the back of the drive as shown in the following illustrations Disconnecting Optical or Hard Drive Cables Q Some products use straight cable connectors while others use right angle connectors 6 18 433611 001 Service Reference Guide dx7300 Removal and Replacement Procedures Microtower MT Chassis Disconnecting Diskette Drive Cables o A 6 A latch drive bracket with release tabs secures the drives in the drive bay Lift the release tab on the latch drive bracket O for the drive you want to remove then slide the drive from its drive bay O Releasing the Drives 7 Remove the four guide screws two on each side from the old drive You will need these screws to install a new drive Service Reference Guide dx7300 433611 001 6 19 Removal and Replacement Procedur
14. DVD drive Movie may be regionalized for a different country Decoder software is not installed See the documentation that came with the DVD drive Install decoder software Damaged media Replace media Movie rating locked out by parental lock Use DVD software to remove parental lock Media installed upside down Reinstall media Cannot eject compact disc tray load unit Disc not properly seated in the drive 1 Turn off the computer and insert a thin metal rod into the emergency eject hole and push firmly 2 Slowly pull the tray out from the drive until the tray is fully extended then remove the disc CD ROM CD RW DVD ROM or DVD R RW drive cannot read a disc or takes too long to start Media has been inserted upside down Re insert the Media with the label facing up The DVD ROM drive takes longer to start because it has to determine the type of media played such as audio or video Wait at least 30 seconds to let the DVD ROM drive determine the type of media being played If the disc still does not start read the other solutions listed for this topic CD or DVD disc is dirty Clean CD or DVD with a CD cleaning kit Windows does not detect the CD ROM or DVD ROM drive 1 Use Device Manager to remove or uninstall the device in question 2 Restart the computer and let Windows detect the device Recording audio CDs is difficult or
15. HP Knowledgebase link to expert information Automated SoftPaq collection and delivery process for fast resolution of hardware problems Identify inventory and initialize systems with HP ProtectTools embedded security chip Option for health alerts to display locally on the client system Report basic inventory information for non HP clients For more information on HP Client Manager visit www hp com go clientmanager 3 3 4 HP ProtectTools Security Manager 3 3 5 ProtectTools Security Manager software provides security features that help protect against unauthorized access to the computer networks and critical data Enhanced security functionality is provided by the following modules E Smart Card Security for ProtectTools E Embedded Security for ProtectTools E BIOS Configuration for ProtectTools E Credential Manager for Protect Tools The modules available for your computer may vary depending on your model For example Embedded Security for ProtectTools requires that the Trusted Platform Module TPM embedded security chip some models only be installed on your computer and Smart Card Security for ProtectTools requires an optional smart card and reader ProtectTools modules may be preinstalled preloaded or available for purchase from the HP Web site Visit http www hp com products security for more information HP Client Premium Suite HP Client Premium Suite HP CPS is designed for organizations wanting full client hard
16. In addition to allowing you to create the Restore Plus CD set HP Backup and Recovery Manager can be used to back up data and system files to the hard drive to network drives or to removable media such as CDs DVDs or flash media If data or system files are lost deleted or corrupted Backup and Recovery Manager allows you to retrieve data or restore the last good system image 3 2 433611 001 Service Reference Guide dx7300 Desktop Management 3 2 3 3 3 3 1 You can order a Recovery Disc Set from HP by calling the HP suport center Go to the following Web site select your region and click the Technical support after you buy link under the Call HP heading to obtain the support center telephone number for your region http welcome hp com country us en wwcontact_us html Remote System Installation Remote System Installation allows you to start and set up your system using the software and configuration information located on a network server by initiating the Preboot Execution Environment PXE The Remote System Installation feature is usually used as a system setup and configuration tool and can be used for the following tasks E Formatting a hard drive E Deploying a software image on one or more new PCs E Remotely updating the system BIOS in flash ROM See Section 3 4 1 Remote ROM Flash E Configuring the system BIOS settings To initiate Remote System Installation press F12 when the F12 Network Se
17. Open the hood and ensure the 4 or flashes four times power supply is 6 wire power supply cable is seated once every overloaded into the connector on the system second followed board by a two second 2 Check if a device is causing the pause Beeps stop problem by removing ALL attached after fifth iteration devices such as hard diskette or but LEDs continue optical drives and expansion cards until problem is Power on the system If the system solved enters the POST then power off and replace one device at a time and repeat this procedure until failure occurs Replace the device that is causing the failure Continue adding devices one at a time to ensure all devices are functioning properly 3 Replace the power supply 4 Replace the system board Red Power LED 5 Pre video memory ZN To avoid damage to the DIMMs or the flashes five times itor system board you must unplug the computer power cord before once every attempting to reseat install or remove second followed a DIMM module by a two second 1 Reseat DIMMs panse Beeps stop 2 Replace DIMMs one ot a time to after fifth Ion isolate the faulty module but LEDs continue i until problem is 3 Replace third party memory with HP solved memory 4 Replace the system board C 10 433611 001 Service Reference Guide dx7730 POST Error Messages POST Diagnostic Front Panel LEDs and Audible Codes Continued Activity Beeps Possible Cause Recommended Action Red Power
18. dx7300 Removal and Replacement Procedures Slim Tower ST Chassis 7 22 3 Type 3 Battery Holder 1 Pull back on the clip O that holds the battery in place then remove the battery 2 Insert the new battery and position the clip back in place 3 Replace the computer access panel 4 Plug in the computer and turn on power to the computer 5 Reset the date and time your passwords and any special system setups using Computer Setup Refer to the Computer Setup F10 Utility Guide Service Reference Guide dx7300 433611 001 7 51 Removal and Replacement Procedures Slim Tower ST Chassis 7 52 433611 001 Service Reference Guide dx7300 A Connector Pin Assignments This appendix contains the pin assignments for many computer and workstation connectors Some of these connectors may not be used on the product being serviced Keyboard Connector and Icon Pin Signal Data Unused Ground 5 VDC Clock Unused ooo0g0 ooo0o gt gt gt Oa uN Mouse Connector and Icon Pin Signal Ono og Data Unused Ground 5 VDC Clock Unused Oak uN Ethernet BNC Connector and Icon Pin Signal 1 Center Data ll El 2 Shield Ground 2 Service Reference Guide dx7300 433611 001 A 1 Connector Pin Assignments Ethernet RJ 45 Connector and Icon Pin Signal 1 Transmit Data 2 Transmit Data un e El 3 Receive Data a 4 Unused 5 Un
19. processor removal and replacement 6 29 speaker removal and replacement 6 31 system board removal and replacement 6 34 national keyboard delimiter characters 3 22 notification of hardware and software changes PCN 3 8 O Operating guidelines 5 5 optical drive MT removal and replacement 6 18 SFF removal and replacement 7 25 overheating prevention 5 5 P padlock MT removal and replacement 6 3 SFF 7 7 parallel interface pin assignments A 2 partition hard drive 4 3 password changing 3 21 clearing 3 22 deleting 3 21 options 2 8 power on 2 8 3 20 security 3 19 setup 2 8 3 19 3 20 PCI expansion card MT removal and replacement 6 14 PCI Express expansion card MT removal and replacement 6 15 SFF removal and replacement 7 17 PCI Express pin assignments A 8 PCN Proactive Change Notification 3 8 POST error messages C 1 to C 13 power button configuring 3 15 dual state 3 15 power cord set requirements country specific B 2 general B 1 power supply fan 5 7 MT removal and replacement 6 32 SFF removal and replacement 7 39 surge tolerant 3 26 power switch assembly MT removal and replacement 6 26 SFF removal and replacement 7 47 power on password changing 3 21 deleting 3 21 entering 3 20 Power On Self Test POST 2 1 Preboot Execution Environment PXE 3 3 Proactive Change Notification PCN 3 8 problems solving audio D 17 CD ROM and DVD drives D 29 diskette D 7 display D 13 drive key D
20. such as CTRL ALT DEL or Restart from Windows unless enabled in Password Options below Password Options This selection will appear only if a power on password or setup password is set Allows you to e Lock legacy resources appears if a setup password is set e Enable disable network server mode appears if a power on password is set e Specify whether the password is required for warm boot CTRL ALT DEL appears if a power on password is set Enable Disable Setup Browse Mode appears if a setup password is set allows viewing but not changing the F10 Setup Options without entering setup password Qy Support for specific Computer Setup options may vary depending on the hardware configuration 2 8 433611 001 Service Reference Guide dx7300 Setup Utilities and Diagnostics Features Heading Option Description Security Smart Cover Allows you to continued some models e Lock unlock the Cover Lock e Set the Cover Removal Sensor to Disable Notify User Setup Password Qy Notify User alerts the user that the sensor has detected that the cover has been removed Setup Password requires that the setup password be entered to boot the computer if the sensor detects that the cover has been removed Embedded Security This menu only appears after the Embedded Security Device is made available under Device Security Allows you to e Enable disable the Embedded Security device e Res
21. when the monitor light turns green NOTE If you do not press Ctrl P at the appropriate time you must restart the computer and again press Ctrl P when the monitor light turns green to access the utility Service Reference Guide dx7300 433611 001 3 7 Desktop Management This hot key enters the Intel Management Engine BIOS Execution ME Bx setup utility This utility allows the user to configure various aspects of the management technology Configuration options include E ME Platform Configuration ME Platform State Control enable disable management engine ME Firmware Local Update local enable disable management of firmware updates LAN Controller enable disable integrated network controller ME Features Control enable AMT ASF or none CO C wu 1 ME Power Control configure management engine power policies E Intel AMT Configuration m Change AMT Password required in order to configure AMT the default password is admin Host Name allows administrator to assign a name to the client TCP IP allows administrator to assign an IP address or enable DHCP Provisioning Server allows administrator to assign IP address of provisioning server Provision Model allows administrator to configure either enterprise or SMB mode COU C O vu Set PID and PPS allows administrator to provide pre provisioning key see HP s white paper Intel vPro Provisioning T Un Provision allows administrator to reset AMT c
22. 2 Make sure the fans are connected and working properly some fans only operate when needed 3 Make sure the processor heatsink is installed properly Power LED flashes Red three times once every second followed by a two second pause and the computer beeps three times Beeps continue for five iterations after which the LED flashes will continue until the problem is resolved Processor is not seated properly or not installed 1 Check to see that the processor is present 2 Reseat the processor D 28 433611 001 Service Reference Guide dx7300 Troubleshooting Without Diagnostics Solving CD ROM and DVD Problems Solving CD ROM and DVD Problems Problem System will not boot from CD ROM or DVD drive Cause The device is attached to a SATA port that has been disabled in the Computer Setup utility Solution Run the Computer Setup utility and ensure the device s SATA port is enabled in Storage gt Storage Options Removable Media Boot is disenabled through the Computer Setup utility Run the Computer Setup utility and enable booting to removable media in Storage gt Storage Options Ensure CDROM is enabled in Storage gt Boot Order Network Server Mode is enabled in Computer Setup Run the Computer Setup utility and disable Network Server Mode in Security gt Password Options Non bootable CD in drive Try a bootable CD in the drive Boot o
23. 3 7 Saving and Printing Information in HP Insight Diagnostics ooooooooooo 2 18 2 3 8 Downloading the Latest Version of HP Insight Diagnostics o ooooooo oo 2 18 Desktop Management 3 1 Initial Configuration and Deployment 0 0 cece eee eens 3 1 3 1 1 HP OpenView Agent oe 0 ces cen eae ee a ee eee oe 3 2 3 1 2 Altiris Deployment Solution Agent 0 0 0 cece eect ee nee 3 2 3 1 3 HP Backup and Recovery Manager 0 cece cece eee eee eens 3 2 3 2 Remote System Installation o esnetara e e e eee eens 3 3 3 3 Software Updating and Management 20 0 eee ne eee 3 3 3 3 1 HP Client Management Interface 0 2 eee eects 3 3 3 3 2 HP System Software Manager 0 0 eee ccc ences 3 4 3 3 3 HP Chent Managers wo cse eh Vata eee eel ee Eid pe ee ole 3 4 3 3 4 HP ProtectTools Security Manager 0 0 ee eee eee ees 3 5 3 3 3 HP Chent Premium Suites 05 052 ness a eae Abe 3 5 3 3 6 HP Client Foundation Suite 0 0 re 3 5 3 3 7 HP OpenView Client Configuration Manager 0 0 cece cece eee 3 6 3 3 8 HP OpenView PC Configuration Management Solutions 200 3 6 3 3 9 Intel vPro branded PCs with Active Management Technology 3 7 3 3 10Proactive Change Notification 0 00 cece eee ees 3 8 3 3 11Subscriber s Choice 0 nett eee e Ero ciate 3 9 3 3 1 2Retired Solutions 3 40 ee eons te oe Bie Me tee het nel tt ati 3 9
24. 34 front I O devices MT removal and replacement 6 25 front I O panel MT removal and replacement 6 24 Index 2 433611 001 Service Reference Guide dx7300 Index G general power cord set requirements B 1 grounding methods 5 4 H hard drive capacities 4 3 diagnostic tool 3 26 MT removal and replacement 6 18 proper handling 5 8 SATA characteristics 4 1 SFF removal and relacement 7 29 hardware Proactive Change Notification PCN 3 8 headphone pin assignments A 3 heatsink MT removal and replacement 6 27 SFF removal and replacement 7 35 hood sensor SFF removal and replacement 7 5 HP Backup and Recovery Manager 1 2 3 2 HP Client Foundation Suite 3 5 HP Client Manager 3 4 HP Client Premium Suite 3 5 HP Insight Diagnostics 2 14 to 2 18 HP OpenView Client Configuration Manager 3 6 HP OpenView PC Management Solution 3 6 HP OpenView See HP OpenView HP ProtectTools Security Manager 3 5 HP System Software Manager 3 4 HPQFlash 3 10 l image deployment methods 3 1 infrared IR transceiver external pin assignments A 4 initial configuration 3 1 Insight Diagnostics 2 14 to 2 18 Intel Active Management Technology 3 7 K key FailSafe 3 25 keyboard cleaning 5 6 delimiter characters national 3 22 pin assignments A 1 L LEDs blinking power C 9 blinking PS 2 keyboard C 9 line in audio pin assignments A 3 line out audio pin assignments A 4 locking Smart Cover Lock 3 25 M memory DDR2 specifica
25. 7 7 Number of pins in power cable 15 Maximum data cable length 39 37 in 100 cm Data interface voltage differential 400 700 mV Drive voltages 3 3 V 5V 12 V Jumpers for configuring drive N A Data transfer rate 3 0 Gb s SATA connectors on the system board are color coded to make identification easier Attachment SATA Identification Color Port Sequence Primary channel device O Dark blue SATA O 1 Primary channel device 1 Light Blue SATA 2 4 Secondary channel device O White SATA 1 2 Secondary channel device 1 Orange SATA 3 3 Q If there is an error on the application of the attach rules a POST error message may be displayed Service Reference Guide dx7300 433611 001 4 1 Serial and Parallel ATA Drive Guidelines and Features 4 2 4 2 1 SATA Data Cable SATA Hard Drive Cables Always use an HP approved SATA 3 0 Gb s cable as it is fully backwards compatible with the SATA 1 5 Gb s drives Current HP desktop products ship with SATA 3 0 Gb s hard drives SATA data cables are susceptible to damage if overflexed Never crease a SATA data cable and never bend it tighter than a 30 mm 1 18 in radius The SATA data cable is a thin 7 pin cable designed to transmit data for only a single drive As shown in the table each cable has 3 grounds and 4 transmit receive pins Pin Number Usage Device Plug Host Plug Pl Ground Ground Ground P2 A Transmit d
26. Blank iio cio is cee bee gen bi bead oe bbe eek 6 8 6 6 Cable Management 0 0252 eels e sees a sae ears 6 9 6 6 1 Cable Connections eors eas oh hina bine oina wok aw Mia ined 6 10 Oe Memory ie A ent anki sgn O E 20 aig 6 11 6 8 Expansion Cards iii a caw hea See hn eee ean lee aad eee 6 13 090 DI a D a aa abia seda td 6 17 6 9 1 Drive Positions ria a a e 6 17 6 9 2 Removing a Drive sorene ie E a e nent ene eee 6 18 6 9 3 Installing a DIVER A ae SEA AG Ree ee 6 20 6 10Chassis Fan 53 008 6 eee A cei id E E EEA 6 23 6 11Front I O Panel Housing Assembly 0 0 6 24 6 12Front VO Devices e reee a A a sas aA 6 25 6 13Power Switch Assembly 2 0 06 cee ee be cece ee be tee ee teen ede beeee 6 26 6 14Heatsink ota a bt een eh eee ne dedica dee 6 27 6 TSPrOCESSOF toria rs a lia 6 29 6 10Speaker aii ias ri a a RS RO ee ete ious Me iaa 6 31 6 17 POWER Supply EE T E ty AS ila un Gey cated aie be teas gna 6 32 6 18System Board 205 conte i hin waht va hee See hte we eet bower add Sees 6 34 OL OB alii str ce nbos chee yeahs wining ata oa Rhus os ade nds ates oh 6 35 6 19 1 Type 1 Battery Holder oral da li 6 36 6 19 2Type 2 Battery Holder 1 0 ec EA E a a AE a a E Ee 6 37 6 19 3Type 3 Battery Holder mol yi A a en en ee Be ees bade e ee de 6 38 7 Removal and Replacement Procedures Slim Tower ST Chassis 7 1 Preparation for Disassembly 2 0 0 0 ccc een nen e teen ene 7 1 7 2 Unlocking the Smart Cover Lock 0 00 cece
27. Clock chip U7 64 bit Bridge U10 LOM1 UN LOM1 EEPROM U12 LOM1 PHY U13 Audio Codec U14 Audio amplifier U16 LOM2 U17 LOM2 EEPROM U18 LOM2 PHY U19 SPI ROM SOIC 8 footprint U20 Fan controller U21 SPI ROM SO16 footprint U29 TMDS controller U30 Parallel port diode array U3 First serial port transceiver U32 Second serial port transceiver U46 VRM controller U50 USB front port power switch U51 First USB rear port power switch U52 Second USB rear port power switch U53 Third USB rear port power switch XBT Battery retainer XMM1 Memory slot DIMM1 or RIMM1 populated and tested XMM2 XMM5 Following memory slots XU Primary processor socket XU2 Secondary processor socket XU15 U15 System ROM and Socket Socket XU15 ROM U15 XU19 U19 SPI ROM and socket XU 19 socket U19 SPI ROM Y1 Primary TH system clock crystal Y2 Secondary SMT system clock crystal Y3 Primary NIC clock crystal Y4 Secondary NIC clock crystal Y5 H5 RTC clock crystal tie down E 4 433611 001 Service Reference Guide dx7300 F Memory The dx7300 and dc7700 series computers with Intel based processors come with double data rate 2 synchronous dynamic random access memory DDR2 SDRAM dual inline memory modules DIMMs VX CAUTION DDR and DDR2 memory modules are not interchangeable DDR2 SDRAM DIMMs The memory sockets on the system board can be populated with up to four industry standard DIMMs These memory module so
28. Error Diskette controller circuitry or floppy drive circuitry incorrect Run Computer Setup F10 Setup Check and or replace cables Clear CMOS Replace diskette drive Replace the system board 605 Diskette Drive Type Error Mismatch in drive type Run Computer Setup F10 Setup N oa A UU N WO N Disconnect any other diskette controller devices tape drives 3 Clear CMOS 610 External Storage Device Failure External tape drive not connected Reinstall tape drive or press F1 and allow system to reconfigure without the drive 611 Primary Floppy Port Address Assignment Conflict Configuration error Run Computer Setup and check the configuration in Advanced gt Onboard Devices 660 Display cache is detected unreliable Integrated graphics controller display cache is not working properly and will be disabled Replace system board if minimal graphics degrading is an issue 912 Computer Cover Has Been Removed Since Last System Start Up Computer cover was removed since the last system startup No action required 917 Front Audio not Connected Front audio harness has been detached or unseated from the system board Reconnect or replace front audio harness 433611 001 Service Reference Guide dx7730 POST Error Messages POST Error Messages Continued Screen Message 918 Front USB Not Connected Probable Cause
29. Front USB harness has been detached or unseated from system board Recommended Action Reconnect or replace front USB harness 921 Device in PCI Express slot failed to initialize There is an incompatibility problem with this device and the system or PCI Express Link could not be retrained to an xl Try rebooting the system If the error reoccurs the device may not work with this system 1151 Serial Port A Address Conflict Detected 1152 Serial Port B Address Conflict Detected Both external and internal serial ports are assigned to COMI Both external and internal serial ports are assigned to COM2 1 Remove any serial port expansion cards 2 Clear CMOS 3 Reconfigure card resources and or run Computer Setup or Windows utilities 1 Remove any serial port expansion cards 2 Clear CMOS 3 Reconfigure card resources and or run Computer Setup or Windows utilities 1155 Serial Port Address Conflict Detected Both external and internal serial ports are assigned to same IRQ 1 Remove any serial port expansion cards 2 Clear CMOS 3 Reconfigure card resources and or run Computer Setup or Windows utilities 1201 System Audio Address Conflict Detected Device IRQ address conflicts with another device Enter Computer Setup and reset the IRQ in Advanced gt Onboard Devices 1202 MIDI Port Address Conflict Detected Device IRQ address conflicts w
30. MH Do not attempt to recharge the battery Do not expose to temperatures higher than 140 F 60 C a HM Do not disassemble crush puncture short external contacts or dispose of in fire or water a Replace the battery only with the HP spare designated for this product CAUTION Before replacing the battery it is important to back up the computer CMOS settings When the battery is removed or replaced the CMOS settings will be cleared Refer to the Computer Setup F10 Utility Guide for information on backing up the CMOS settings Batteries battery packs and accumulators should not be disposed of together with the general household waste In order to forward them to recycling or proper disposal please use the public collection system or return them to HP their authorized partners or their agents CAUTION Static electricity can damage the electronic components of the computer or optional equipment Before beginning these procedures ensure that you are discharged of static electricity by briefly touching a grounded metal object 1 Prepare the computer for disassembly Section 7 1 2 Remove the computer access panel Section 7 5 It may be necessary to remove an expansion card to gain access to the battery 3 Locate the battery and battery holder on the system board 4 Carefully pull the cable bundle out of the way to access the battery 5 Depending on the type of battery holder on your system bo
31. Prepare the computer for disassembly Section 6 1 2 Remove the access panel and rotate the computer so the system board is parallel to the table to make it easier to work on Section 6 3 3 On the rear of the computer a sliding slot cover lock secures the expansion card brackets and expansion slot covers in place Remove the thumbscrew that holds the slot cover lock in place O and slide the slot cover lock away from the brackets so that they are no longer secured by the lock Service Reference Guide dx7300 433611 001 6 13 Removal and Replacement Procedures Microtower MT Chassis 4 Before installing an expansion card remove the expansion slot cover or the existing expansion card Q Before removing an installed expansion card disconnect any cables that may be attached to the expansion card a If you are installing an expansion card in a vacant socket remove the appropriate expansion slot cover on the back of the chassis Pull the slot cover straight up from the socket then away from the inside of the chassis e b Ifremoving a standard PCI expansion card hold the card at each end and carefully rock 1t back and forth until the connectors pull free from the socket Pull the expansion card straight up from the socket then away from the inside of the chassis to release it from the chassis frame Be sure not to scrape the card against the other components 6 14 433611 001 Service Reference Gui
32. Press Ctrl and Ese at the same time or press the Windows logo key to display the Start menu 2 Use the up or down arrow key to select Shut Down and then press Enter 3 Use the up or down arrow key to select the Shut Down option and then press Enter 4 After the shutdown is complete plug the mouse connector into the back of the computer or the keyboard and restart Program in use has stopped responding to commands Shut down the computer using the keyboard and then restart the computer Mouse may need cleaning Remove the roller ball cover on the mouse and clean the internal components Mouse may need repair See the Worldwide Limited Warranty for terms and conditions Wireless device error 1 Check software if available for device status 2 Check replace device batteries 3 Reset receiver and mouse Computer is in standby mode Press the power button to resume from standby mode When attempting to resume from standby mode do not hold down the power button for more than four seconds Otherwise the computer will shut down and you will lose any unsaved data Mouse will only move vertically or horizontally or movement is jerky Mouse roller ball or the rotating encoder shafts that make contact with the ball are dirty Remove roller ball cover from the bottom of the mouse and clean the internal components with a mouse cleaning kit Service Referen
33. Press the power button or press any key to resume from standby mode ZN When attempting to resume from standby mode do not hold down the power button for more than four seconds Otherwise the computer will shut down and you will lose any unsaved data System has locked up Restart computer Computer date and time display is incorrect RTC real time clock battery may need to be replaced Gy Connecting the computer to a live AC outlet prolongs the life of the RTC battery 1 Reset the date and time under Control Panel Computer Setup can also be used 2 Replace the RTC battery Computer appears to pause periodically Network driver is loaded and no network connection is established Establish a network connection or use Computer Setup or Microsoft Windows Device Manager to disable the network controller Cursor will not move using the arrow keys on the keypad The Num Lock key may be on Press the Num Lock key The Num Lock key can be disabled or enabled in Computer Setup There is no sound or sound volume is too low There is no sound or sound volume is too low 1 Check the F10 BIOS settings to make sure the internal system speaker is not muted this setting does not affect the external speakers 2 Make sure the external speakers are properly connected and powered on and that the speakers volume control is set correctly 3 Use the system volume contr
34. Removal and Replacement Procedures Microtower MT Chassis 5 Pull the power supply towards the front of the chassis while depressing the two sets of retaining clips O to allow the power supply to move far enough to lift it from the chassis To install the power supply reverse the removal procedure Service Reference Guide dx7300 433611 001 6 33 Removal and Replacement Procedures Microtower MT Chassis 6 18 System Board 1 Prepare the computer for disassembly Section 6 1 2 Remove the access panel and rotate the computer so the system board is parallel to the table to make it easier to work on Section 6 3 3 Remove all PCI and PCI Express expansion boards Section 6 8 4 Disconnect all cables connected to the system board noting their location for reinstallation 5 Remove the 3 1 4 drives from the drive cage to make it easier to handle the system board 6 Remove the eight screws that secure the system board to the chassis O then slide the system board towards the front of the chassis to remove it 3 PA MW Mill HMMM Oe CC To install the system board reverse the removal procedures 6 34 433611 001 Service Reference Guide dx7300 Removal and Replacement Procedures Microtower MT Chassis 6 19 gt Y Battery The battery that comes with your computer provides power to the real time clock and has a lifetime of about three years When replacing the b
35. See the Restore Kit or the Worldwide Limited Warranty for terms and conditions Computer will not continue after HP logo screen has appeared System files may be damaged Use recovery diskette to scan hard drive for errors Illegal Operation has Occurred error message is displayed Software being used is not Microsoft certified for your version of Windows Verify that the software is certified by Microsoft for your version of Windows see program packaging for this information Configuration files are corrupt If possible save all data close all programs and restart the computer Service Reference Guide dx7300 433611 001 D 35 Troubleshooting Without Diagnostics D 36 433611 001 Service Reference Guide dx7300 System Board and Riser Board Reference Designators These reference designators are used on most but not all HP system and riser boards Designator Component BAT Battery socket Battery CRI LED 5V_Aux on CR2 Health LED CR3 UID LED CR4 Power LED CR35 Hard drive activity LED E14 Boot block header jumper E15 Boot block recovery header E16 ROM recovery header E25 CPLD programming header E49 JP49 Clear Password header jumper E50 Clear CMOS header J7 RJ45 jack J9 Stacked RJ45 Dual USB J10 Quad stacked USB J First IEEE 1394 connector J12 Second IEEE 1394 connector J13 SPDIF input J14 SPDIF output J20 29 PCI slots J
36. Service Reference Guide dx7300 Setup Utilities and Diagnostics Features 2 3 1 Accessing HP Insight Diagnostics You must boot to the Documentation and Diagnostics CD as described in the steps below to access HP Insight Diagnostics 1 While the computer is on insert the Documentation and Diagnostics CD into an optical drive on the computer 2 Shut down the operating system and turn off the computer 3 Turn on the computer The system will boot to the CD Q If the system does not boot to the CD in the optical drive you may need to change the boot order in the Computer Setup F10 utility so that the system attempts to boot to the optical drive before booting to the hard drive Refer to the Computer Setup F10 Utility Guide on the Documentation and Diagnostics CD for more information 4 When prompted press the y key if you want to operate in Safe mode or any other key if you want to operate in Regular mode Regular mode is the default mode if no keys are pressed within the specified time frame If the screen remains blank after pressing any key other than y try rebooting and select safe mode when prompted 5 Select the appropriate language and click Continue Q It is recommended that you accept the assigned default keyboard for your language unless you want to test your specific keyboard 6 In the End User License Agreement page click Agree if you agree with the terms The HP Insight Diagnostics ut
37. a subsequent cold boot sequence This selection will only appear when at least one drive that supports the Drivelock feature is attached to the system Qy Support for specific Computer Setup options may vary depending on the hardware configuration Service Reference Guide dx7300 433611 001 2 9 Setup Utilities and Diagnostics Features Heading Option Description Security OS Security continued This selection is in effect only if the processor and operating system being used comprehend and utilize this feature Data Execution Prevention some models enable disable Helps prevent OS security breaches Intel Virtualization Technology some models enable disable Changing this setting requires turning the computer off and then back on Power OS Power Management Runtime Power Management Enable Disable Allows certain operating systems to reduce processor voltage and frequency when the current software load does not require the full capabilities of the processor Idle Power Savings Extended Normal Allows certain operating systems to decrease the processors power consumption when the processor is idle ACPI S3 Hard Disk Reset Enabling this causes the BIOS to ensure hard disks are ready to accept commands after resuming from S3 before returning control to the operating system e ACPI S3 PS2 Mouse Wakeup Enables or disables waking from S3 due to PS2 mouse activity e USB Wake o
38. access to the interior of the computer to prevent unwanted configuration changes or component removal Can also be used to secure the computer to a fixed object to prevent theft Install a cable lock to secure the computer to a fixed object Security Loop Provision Inhibits access to the interior of the computer to prevent unwanted configuration changes or component removal Install a lock in the security loop to prevent unwanted configuration changes or component removal 3 5 1 Password Security The power on password prevents unauthorized use of the computer by requiring entry of a password to access applications or data each time the computer is turned on or restarted The setup password specifically prevents unauthorized access to Computer Setup and can also be used as an override to the power on password That is when prompted for the power on password entering the setup password instead will allow access to the computer A network wide setup password can be established to enable the system administrator to log in to all network systems to perform maintenance without having to know the power on password even if one has been established 3 5 2 Establishing a Setup Password Using Computer Setup If the system is equipped with an embedded security device refer to the HP ProtectTools Security Manager Guide at www hp com Establishing a setup password through Computer Setup prevents reconfigration of the computer
39. air may be used to clean debris from under the keys Caution should be used as too much air pressure can dislodge lubricants applied under the wide keys E If you remove a key use a specially designed key puller to prevent damage to the keys This tool is available through many electronic supply outlets CAUTION Never remove a wide leveled key like the space bar from the keyboard If these keys are improperly removed or installed the keyboard may not function properly Cleaning under a key may be done with a swab moistened with isopropyl alcohol and squeezed out Be careful not to wipe away lubricants necessary for proper key functions Use tweezers to remove any fibers or dirt in confined areas Allow the parts to air dry before reassembly 433611 001 Service Reference Guide dx7300 Identifying the Chassis Routine Care and Disassembly Preparation 5 4 4 Cleaning the Monitor 5 4 5 5 5 5 5 1 A 5 5 2 E Wipe the monitor screen with a clean cloth moistened with water or with a towelette designed for cleaning monitors Do not use sprays or aerosols directly on the screen the liquid may seep into the housing and damage a component Never use solvents or flammable liquids on the monitor E To clean the monitor body follow the procedures in Section 5 4 2 Cleaning the Mouse Before cleaning the mouse ensure that the power to the computer is turned off E Clean the mouse ball by first removing the retaining
40. and power cables from the drive The other end of the cables should remain connected to the system board Diskette drive is shown 1 a ZZ a 7 a 7 Rotate the drive cage down to its normal position before trying to remove the drive Service Reference Guide dx7300 433611 001 7 27 Removal and Replacement Procedures Slim Tower ST Chassis 8 Press the green drive retention latch O located on the side of the diskette drive to disengage the drive from the drive cage and slide the diskette drive forward approximately 6mm 1 4 inch 9 Lift the rear of the drive up so that the rear guide screws clear the top of the drive cage O As the drive rises it automatically slides forward until it is free from the drive cage To replace the drive reverse the removal procedure making sure you rotate the rear of the drive down pivoting on the front screws When replacing the drive transfer the four metric screws from the old drive to the new one The screws take the place of drive rails 7 28 433611 001 Service Reference Guide dx7300 Removal and Replacement Procedures Slim Tower ST Chassis 7 11 4 Primary Hard Drive A Torx T 15 screwdriver is needed to remove and install the guide screws on a hard drive CAUTION Make sure personal files on the hard drive are backed up to an external storage device before removing the hard drive Failure to do so will result in data loss After replacing th
41. bootable operating system source Specify the order of attached hard drives The first hard drive in the order will have priority in the boot sequence and will be recognized as drive C if any devices are attached MS DOS drive lettering assignments may not apply after a non MS DOS operating system has started Shortcut to Temporarily Override Boot Order To boot one time from a device other than the default device specified in Boot Order restart the computer and press F9 when the monitor light turns green After POST is completed a list of bootable devices is displayed Use the arrow keys to select the preferred bootable device and press Enter The computer then boots from the selected non default device for this one time Security Smart Card Options some models Allows you to enable disable the Smart Card to be used in place of the Power On Password This option only appears if a Smart Card reader is attached to the system Setup Password Allows you to set and enables setup administrator password If the setup password is set it is required to change Computer Setup options flash the ROM and make changes to certain plug and play settings under Windows Power On Password Allows you to set and enable power on password The power on password prompt appears after a power cycle If the user does not enter the correct power on password the unit will not boot _ This password does not appear on warn boots
42. changed in the Computer Setup F10 Utility Refer to the Computer Setup F10 Utility Guide on the Documentation and Diagnostics CD for instructions If you have used a DOS version from Windows 9x you may see a brief Windows logo screen If you do not want this screen add a zero length file named LOGO SYS to the root directory of the USB flash media device Return to Copying to Multiple Computers 3 4 5 Dual State Power Button With Advanced Configuration and Power Interface ACPI enabled the power button can function either as an on off switch or as a standby button The stand by feature does not completely turn off power but instead causes the computer to enter a low power standby state This allows you to power down quickly without closing applications and to return quickly to the same operational state without any data loss To change the power button s configuration complete the following steps 1 Left click on the Start Button then select Control Panel gt Power Options 2 In the Power Options Properties select the Advanced tab 3 In the Power Button section select Stand by Service Reference Guide dx7300 433611 001 3 15 Desktop Management After configuring the power button to function as a standby button press the power button to put the system in a very low power state standby Press the button again to quickly bring the system out of standby to full power status To completely turn off all powe
43. computer so the system board is parallel to the table to make it easier to work on Section 6 3 3 Remove the front I O panel assembly Section 6 11 4 Remove the two screws that hold the USB and audio port assembly in place O 5 Remove the I O device assembly from the I O panel by pushing it out of the housing To install the I O devices reverse the removal procedures and then reinstall the housing assembly Service Reference Guide dx7300 433611 001 6 25 Removal and Replacement Procedures Microtower MT Chassis 6 13 Power Switch Assembly 1 Prepare the computer for disassembly Section 6 1 2 Remove the access panel and rotate the computer so the system board is parallel to the table to make it easier to work on Section 6 3 3 Remove the front I O panel assembly Section 6 11 4 Squeeze the switch holder retaining clips together O and push the switch assembly out of the front I O panel housing fa o Su a eo 5 Place the switch holder with the switch installed into the inside of the front I O panel housing and position the legs of the retaining clip into the clip slots Press firmly so that the clips will penetrate the slot openings and latch into place If one clip will not easily engage it may be necessary to use the end of a ball point pen or another thin stiff object to compress the clip leg while inserting it into the clip slot 6 Reconnect the housing assembly to the front of the chassi
44. device is attached to a SATA port that has been disabled in Computer Setup Run Computer Setup and ensure the device s SATA port is enabled in Storage gt Storage Options Drive responds slowly immediately after power up Run Computer Setup and increase the POST Delay in Advanced gt Power On Options Nonsystem disk NTLDR missing message System is trying to start from a non bootable diskette Remove the diskette from the diskette drive Service Reference Guide dx7300 433611 001 Troubleshooting Without Diagnostics Solving Hard Drive Problems Continued Problem Cause Solution Nonsystem disk NTLDR missing message continued System is trying to start from the hard drive but the hard drive may have been damaged 1 Insert a bootable diskette into the diskette drive and restart the computer 2 Check hard drive format using fdisk If NTFS formatting use a third party reader to evaluate the drive If FAT32 formatting the hard drive cannot be accessed System files missing or not properly installed 1 Insert a bootable system diskette and restart 2 Check hard drive format using fdisk If NTFS formatting use a third party reader to evaluate the drive If FAT32 formatting the hard drive cannot be accessed 3 Install system files for the appropriate operating system Hard drive boot disabled in Computer Setup Run the Computer Setup util
45. documentation to determine the memory requirements Memory count during POST is wrong The memory modules may not be installed correctly Check that the memory modules have been installed correctly and that proper modules are used Integrated graphics may use system memory No action required Insufficient memory error during operation Too many Terminate and Stay Resident programs TSRs are installed Delete any TSRs that you do not need You have run out of memory for the application Check the memory requirements for the application or add more memory to the computer Service Reference Guide dx7300 433611 001 D 27 Troubleshooting Without Diagnostics Solving Memory Problems Continued Problem Cause Solution Power LED flashes Red five Memory is installed 1 Reseat DIMMs Power on the times once every second incorrectly or is bad system followed by a two second pause and the computer beeps five times Beeps continue for five iterations after which the LED flashes will continue until the problem is resolved Solving Processor Problems Solving Processor Problems 2 Replace DIMMs one at a time to isolate the faulty module 3 Replace third party memory with HP memory 4 Replace the system board Problem Cause Solution Poor performance is experienced Processor is hot 1 Make sure the airflow to the computer is not blocked
46. for whom data security is the paramount concern For such customers the cost of the hard drive and the loss of the data stored on it is inconsequential when compared with the damage that could result from unauthorized access to its contents In order to balance this level of security with the practical need to accommodate a forgotten password the HP implementation of DriveLock employs a two password security scheme One password is intended to be set and used by a system administrator while the other is typically set and used by the end user There is no back door that can be used to unlock the drive if both passwords are lost Therefore DriveLock is most safely used when the data contained on the hard drive is replicated on a corporate information system or is regularly backed up In the event that both DriveLock passwords are lost the hard drive is rendered unusable For users who do not fit the previously defined customer profile this may be an unacceptable risk For users who do fit the customer profile it may be a tolerable risk given the nature of the data stored on the hard drive 3 22 433611 001 Service Reference Guide dx7300 Desktop Management Using DriveLock When one or more hard drives that support the ATA Security command set are detected the DriveLock option appears under the Security menu in Computer Setup The user is presented with options to set the master password or to enable DriveLock A user password mus
47. impossible USDT computer boots too slowly after removing a CD ROM or DVD drive Wrong or poor quality media type The system is searching for the drive during boot because the drive cable is still attached to the system board 4 Try using a slower recording speed 2 Verify that you are using the correct media for the drive 3 Try a different brand of media Quality varies widely between manufacturers Disconnect the drive cable from the system board D 30 433611 001 Service Reference Guide dx7300 Troubleshooting Without Diagnostics Solving Drive Key Problems Solving Drive Key Problems Problem Drive Key is not seen as a drive letter in Windows XP Cause The drive letter after the last physical drive is not available Solution Change the default drive letter for the Drive Key in Windows XP USB Drive Key not found identified The device is attached to a USB port that has been hidden in Computer Setup Run the Computer Setup utility and ensure that Device available is selected for All USB Ports and Front USB Ports under Security gt Device Security System will not boot from USB Drive Key The device was not properly seated before power up Boot order is not correct Ensure the device is fully inserted into the USB port before applying power to the system Run the Computer Setup utility and change boot sequence in Storage gt Boot Or
48. installed If the fan is plugged in and the heatsink is properly seated but the fan does not spin then replace the heatsink fan assembly 433611 001 Service Reference Guide dx7730 POST Error Messages POST Diagnostic Front Panel LEDs and Audible Codes This section covers the front panel LED codes as well as the audible codes that may occur before or during POST that do not necessarily have an error code or text message associated with them WARNING When the computer is plugged into an AC power source voltage is always applied to the system board To reduce the risk of personal injury from electrical shock and or hot surfaces be sure to disconnect the power cord from the wall outlet and allow the internal system components to cool before touching Look for the LED between the DIMM sockets If the LED is illuminated the system still has power Power off the computer and remove the power cord before proceeding If you see flashing LEDs on a PS 2 keyboard look for flashing LEDs on the front panel of the computer and refer to the following table to determine the front panel LED codes Recommended actions in the following table are listed in the order in which they should be performed No all diagnostic lights and audible codes are available on all models POST Diagnostic Front Panel LEDs and Audible Codes Activity Green Power LED On Beeps None Possible Cause Computer on Reco
49. pull the bezel off at this point otherwise you may break the remaining hooks on the inside of the bezel 4 Press down on the upper right corner of the bezel to release the hook that secures the top of the bezel to the chassis Continue to rotate the bezel then push the bezel to the left to release the right side latches and rotate the bezel off the chassis from left to right O Service Reference Guide dx7300 433611 001 6 5 Removal and Replacement Procedures Microtower MT Chassis To reinstall the front bezel 1 Position the chassis in the upright position 2 Insert the hooks on the right side of the bezel into the rectangular holes on the chassis O then rotate the bezel into place so that the three tabs on the left side of the bezel and the single tab on the upper right corner of the bezel snap into the slots on the chassis 6 6 433611 001 Service Reference Guide dx7300 Removal and Replacement Procedures Microtower MT Chassis 6 5 Front Drive Bezels Follow these steps before removing or installing a front drive bezel 1 Prepare the computer for disassembly Section 6 1 2 Remove the access panel Section 6 3 3 Remove the front bezel Section 6 4 6 5 1 5 25 Drive Bezel Blank Press the two retaining tabs on the inside of the large bezel towards the outside of the bezel to release the bezel blank O At the same time pull the bezel blank in to remove it from the front bezel O T
50. seat the memory modules and reboot the computer If the memory configuration was recently changed unplug the power cord restore the original memory configuration and reboot the computer If the error persists replace the system board 2202 PMM Deallocation Error during MEBx cleanup Memory error during POST execution of the Management Engine ME BIOS Extensions option ROM a Reboot the computer Unplug the power cord re seat the memory modules and reboot the computer If the memory configuration was recently changed unplug the power cord restore the original memory configuration and reboot the computer If the error persists replace the system board 2203 Setup error during MEBx execution MEBx selection or exit resulted in a setup failure 1 Reboot the computer 2 Unplug the power cord re seat the memory modules and reboot the computer If the memory configuration was recently changed unplug the power cord restore the original memory configuration and reboot the computer 4 If the error persists replace the system board 2204 Inventory error BIOS information passed 1 Reboot th during MEBx execution to the MEBx resulted in a acca ARE failure 2 If the error persists update to the latest BIOS version 3 If the error still persists replace the system board Service Reference Guide dx7300 433611 001 POST Error Mess
51. system to the appropriate drivers Obtain the latest support software including support software for the operating system from www hp com support Select the appropriate country and language then select Download drivers and software enter the model number of the computer and press Enter You can also obtain the latest support software on CDs The following Web site provides information on how to purchase a support software CD subscription http h18000 www 1 hp com support files desktops us purchase html Q If the computer has a writable optical drive install the appropriate application to be able to write to the drive Service Reference Guide dx7300 433611 001 1 1 Installing the Operating System 1 2 Transferring Files and Settings Use the Microsoft Windows XP Files and Settings Transfer Wizard to move files and settings from an old computer to a new one Click Start gt All Programs gt Accessories gt System Tools gt Files and Settings Transfer Wizard Follow the wizard to transfer the files and settings to the new computer 1 3 Creating a Disc Recovery Set CAUTION HP no longer ships the Restore Plus CD with PCs Instead HP Backup and Recovery Manager is pre loaded on each system HP recommends the creation of a recovery CD as soon as the computer has been set up Creating the Restore Plus CD set is important in the event that you ever need to restore the system hard drive to its factory installed sta
52. the connectors pull free from the socket Pull the expansion card straight up from the socket then away from the inside of the chassis Be sure not to scrape the card against the other components 7 If you are not installing a new expansion card install an expansion slot cover to close the open slot 8 Rotate the slot cover retention latch back in place to secure the expansion cards and expansion slot covers CAUTION All expansion card slots on the rear of the computer must contain either an expansion card or slot cover for proper cooling of internal components during operation Service Reference Guide dx7300 433611 001 7 17 Removal and Replacement Procedures Slim Tower ST Chassis 7 10 PCI Riser Card Assembly and Backwall 1 If you have locked the Smart Cover Lock use Computer Setup to unlock the lock Section 7 2 2 Prepare the computer for disassembly Section 7 1 3 Remove the computer cover Section 7 5 4 Remove all PCI and PCI Express expansion cards from the PCI expansion slots Section 7 9 5 Rotate the optical and diskette drive cage to its upright position 6 Remove the security clip Section 7 4 1 rotate the power supply to its full upright position O then lift the power supply straight up and out of the chassis 7 18 433611 001 Service Reference Guide dx7300 Removal and Replacement Procedures Slim Tower ST Chassis 7 Remove the SmartCover lock from t
53. 0 at the appropriate time you must restart the computer and again press F10 when the monitor light turns green to access the utility 3 When the key icon appears on the monitor type the setup password then press Enter Q Type carefully for security reasons the characters you type do not appear on the screen If you enter the password incorrectly a broken key icon appears Try again After three unsuccessful tries you must turn off the computer then turn it on again before you can continue 3 20 433611 001 Service Reference Guide dx7300 Desktop Management Changing a Power On or Setup Password If the system is equipped with an embedded security device refer to the HP ProtectTools Security Manager Guide at www hp com 1 Turn on or restart the computer If you are in Windows click Start gt Shut Down gt Restart 2 To change the Power On password go to step 3 To change the Setup password as soon as the computer is turned on press F10 when the monitor light turns green to enter Computer Setup Press Enter to bypass the title screen if necessary Q If you do not press F10 at the appropriate time you must restart the computer and again press F10 when the monitor light turns green to access the utility 3 When the key icon appears type the current password a slash or alternate delimiter character the new password another slash or alternate delimiter character and the new password again as
54. 1 Service Reference Guide dx7300 Removal and Replacement Procedures Slim Tower ST Chassis 7 20 Drive Clutch Components 1 Prepare the computer for disassembly Section 7 1 2 Remove the computer cover Section 7 5 0S Remove the optical drive and any other drive in the rotating drive cage Section 7 11 2 and Section 7 11 3 4 Remove the chassis fan Section 7 18 5 Remove the system board Section 7 19 6 Remove the five screws that secure the clutch base to the chassis ef Li a ao o ao a A 7 Hold the drive cage in the up position while removing the clutch base from the floor of the chassis CAUTION When moving the clutch base be careful not to damage the wires that are threaded through it Service Reference Guide dx7300 433611 001 7 45 Removal and Replacement Procedures Slim Tower ST Chassis 8 Hold the drive cage in the upright position while removing the two screws that secure the clutch finger assembly to the drive cage zB The clutch finger assembly doe not have to be removed to remove the power switch To replace the drive clutch components reverse the removal procedure 7 46 433611 001 Service Reference Guide dx7300 Removal and Replacement Procedures Slim Tower ST Chassis 7 21 Power Switch Assembly Prepare the computer for disassembly Section 7 1 Remove the computer cover Section 7 5 Remove all drives from t
55. 30 PCI extender slot male J31 J35 PCI Express slots J37 Primary SCSI connector J38 Secondary SCSI connector J39 Stacked parallel SCSI connector J40 AGP slot J4 x16 PCI Express slot for graphics J50 First parallel port J51 Second parallel port J52 Double stacked parallel port Top Port B Bottom Port A J53 Parallel port over single Serial Port J54 Parallel port over Serial Port and Video Port J55 Parallel port over dual VGA ports J65 DVI connector J66 Keyboard connector PS 2 Closest to power supply J67 Mouse connector PS 2 Service Reference Guide dx7300 433611 001 E 1 System Board and Riser Board Reference Designators Designator Component Continued J68 Stacked mouse Top keyboard Bottom connector J69 Video connector VGA J70 Primary single USB connector J71 Secondary single USB port J72 Microphone jack J73 Line in jack J74 Line out jack J75 Headphone jack J76 Volume control J77 Double stacked headphone Bottom microphone Top connector J78 Double stacked line in Top line out Bottom connector J80 Stacked serial audio connector J81 Primary double stack USB Top Port 2 Bottom Port 1 J82 Secondary double stack USB Top Port 4 Bottom Port 3 J83 Triple stacked audio jack line in line out headphone microphone J101 Security board connector for security card J9020 J9029 PCI slots on riser card J9030 J9034 PCI express slots on riser card JP49
56. 31 front panel components D 32 hard drive D 9 hardware installation D 22 Internet access D 33 keyboard D 20 media card reader D 11 memory D 27 mouse D 20 network D 24 optical drives D 29 power supply D 5 printer D 19 processor D 28 software D 35 Wake on LAN D 24 processor MT removal and replacement 6 29 problem solving D 28 SFF removal and replacement 7 36 protecting ROM BIOS 3 9 PXE Preboot Execution Environment 3 3 recovery configuration settings 2 14 creating disc recovery set 1 2 software 3 1 reference designators to E 4 reference designators E 1 Remote ROM BIOS Flash 3 9 remote setup 3 3 Remote System Installation 3 3 Index 4 433611 001 Service Reference Guide dx7300 Index removal and replacement MT 3 5 drive bezel 6 8 MT 5 25 drive bezel 6 7 MT access panel 6 4 MT battery 6 35 MT cable lock 6 2 MT chassis fan 6 23 MT diskette drive bezel 6 8 MT drive 6 18 MT front bezel 6 5 MT front I O devices 6 25 MT front I O panel 6 24 MT heatsink 6 27 MT memory 6 11 MT padlock 6 3 MT PCI expansion card 6 14 MT PCI Express expansion card 6 15 MT power supply 6 32 MT power switch assembly 6 26 MT processor 6 29 MT speaker 6 31 MT system board 6 34 SFF backwall 7 18 SFF battery 7 48 SFF bezel insert 7 9 SFF cable lock 7 6 SFF chassis fan 7 41 SFF computer cover 7 8 SFF drive bezel 7 9 SFF expansion card 7 15 SFF expansion card retainer 7 14 S
57. 3611 001 7 1 Removal and Replacement Procedures Slim Tower ST Chassis 8 Lift the computer of the stand MN 3 Service Reference Guide dx7300 433611 001 Removal and Replacement Procedures Slim Tower ST Chassis 7 2 Unlocking the Smart Cover Lock If you have locked the Smart Cover Lock use Computer Setup to unlock the lock Refer to the Desktop Management Guide on the Documentation and Diagnostics CD for more information about the Smart Cover Lock If you cannot access Computer Setup to unlock the cover you will need to remove the locking solenoid by using the Smart Cover FailSafe Key Spare part number 166527 001 or 166527 002 Once the solenoid has been deactivated or removed the access panel can be removed The Smart Cover FailSafe Key will be needed in any of the following circumstances EH Power outage MH Startup failure E Processor or power supply failure E Lost password To open the computer cover with the Smart Cover Lock engaged 1 Prepare the computer for disassembly Section 7 1 2 Using the Smart Cover FailSafe Key remove the tamper proof screw O that secures the Smart Cover Lock to the inside of the chassis 3 Push the metal arm that wraps around the air vent grid up and back to free the Smart Cover Lock from the chassis 4 Remove the computer cover Section 7 5 Service Reference Guide dx7300 433611 001 7 3 Removal and Replacement Procedures Slim Tower S
58. 4 In the Device Manager area click the Device Manager button 5 Double click Ports COM amp LPT 6 Right click the COM port the modem uses then click Properties 7 Under Device status verity that the modem is working properly D 34 433611 001 Service Reference Guide dx7300 Troubleshooting Without Diagnostics Solving Internet Access Problems Continued Problem Cause Solution Internet takes too long to download Web sites continued Modem is not set up properly continued 8 Under Device usage verity the modem is enabled 9 If there are further problems click the Troubleshoot button and follow the on screen instructions Solving Software Problems Most software problems occur as a result of the following E The application was not installed or configured correctly There is a conflict between applications check to be sure it is supported on the system There is insufficient memory available to run the application Be sure that all the needed device drivers have been installed If you have installed an operating system other than the factory installed operating system Solving Software Problems Problem Computer will not continue and no HP logo screen has appeared Cause POST error has occurred Solution Observe the beeps and LED lights on the front of the computer See Appendix C POST Error Messages to determine possible causes
59. 433611 001 Service Reference Guide dx7300 Setup Utilities and Diagnostics Features 2 2 1 Using Computer Setup F10 Utilities Computer Setup can be accessed only by turning on the computer or restarting the system To access the Computer Setup Utilities menu complete the following steps 1 Turn on or restart the computer If you are in Windows click Start gt Shut Down gt Restart 2 As soon as the computer is turned on press F10 when the monitor light turns green to enter Computer Setup Press Enter to bypass the title screen if necessary If you do not press the F10 key at the appropriate time you must restart the computer and again press F10 when the monitor light turns green 3 Select your language from the list and press the Enter key 4 A choice of five headings appears in the Computer Setup Utilities menu File Storage Security Power and Advanced 5 Use the arrow left and right keys to select the appropriate heading Use the arrow up and down keys to select the option you want then press Enter To return to the Computer Setup Utilities menu press Esc 6 To apply and save changes select File gt Save Changes and Exit 1 Ifyou have made changes that you do not want applied select Ignore Changes and Exit 1 To reset to factory settings or previously saved default settings select Set Defaults and Exit This option will restore the original factory system defaults CAUTION Do NOT turn t
60. 5 2 chassis fan MT removal and replacement 6 23 SFF removal and replacement 7 41 chassis types illustrated 5 1 cleaning computer 5 6 keyboard 5 6 monitor 5 7 mouse 5 7 safety precautions 5 5 clearing password 3 22 CMT chassis illustrated 5 1 computer cleaning 5 6 computer cover MT removal and replacement 6 4 computer cover SFF removal and replacement 7 8 computer pauses D 2 Computer Setup accessing 2 3 Advanced menu 2 11 File menu 2 4 overview 2 2 Security menu 2 8 Service Reference Guide dx7300 433611 001 Index 1 Index Storage menu 2 5 configuration settings recovering 2 14 configuring power button 3 15 connections SFF system board 6 10 7 12 connector pin assignments A 1 to A 10 Convertible Minitower See CMT country specific power cord set requirements B 2 cover lock smart 3 24 D date and time display problems D 2 DDR2 memory F 1 deleting password 3 21 delimiter characters table 3 22 device drivers installing 1 1 diagnostic tool for hard drives 3 26 diagnostics utility 2 14 to 2 18 DIMMs F 1 disassembly preparation MT 6 1 SFF 7 1 diskette drive MT removal and replacement 6 18 SFF removal and replacement 7 27 diskette drive bezel MT removal and replacement 6 8 SFF removal and replacement 7 9 drive hard drive capacities 4 3 hard drive partition size 4 3 MT removal and replacement 6 18 protecting 3 26 SFF external removal and replacement 7 27 SFF hard drive removal and r
61. Allows you to enable disable the Smart Card to be used in place of the Power On Password Smart Cover Allows you to e Enable disable the Cover Lock e Enable disable the Cover Removal Sensor Notify User alerts the user that the sensor has detected that the cover has been removed Setup Password requires that the setup password be entered to boal the computer if the sensor detects that the cover has been removed This feature is supported on some models only and will only appear if a Smart Card reader is attached to the system Embedded Security Allows you to e Enable disable the Embedded Security device e Reset the device to Factory Settings Gy For more information about Computer Setup see the Computer Setup F10 Utility Guide Support for security features may vary depending on your specific computer configuration Service Reference Guide dx7300 433611 001 3 17 Desktop Management Security Features Overview Continued Option Description Device Security Enables disables serial ports parallel port front USB ports system audio network controllers some models and SCSI controllers some models Network Service Boot Enables disables the computer s ability to boot from an operating system installed on a network server Feature available on NIC models only the network controller must reside on the PCI bus or be embedded on the system board System IDs Allows you to set
62. DASP 12 DD12 26 Ground 40 Ground 13 DD2 27 IORDY 14 DD13 28 CSEL CD ROM 50 Pin Connector Connector 50 2 y 0000000000000oc00o0o0ococ0ao no Q09 7 Pin Signal Pin Signal Pin Signal Pin Signal 1 Audio Lch 14 DD12 27 IORDY 40 5V 2 Audio R ch 15 DD3 28 DMACK Al 5V 3 Audio GND 16 DD13 29 INTRQ 42 5V 4 GND 17 DD2 30 IOCS 16 43 GND 5 RESET 18 DD14 31 DA1 44 GND 6 DD8 19 DD1 32 PDIAG 45 GND 7 DD7 20 DD15 33 DAO 46 GND 8 DD9 21 DDO 34 DA2 47 CSEL 9 DD6 22 DMARQ 35 CS 1FX 48 GND 10 DD10 23 GND 36 CS3FX 49 Vendor specific 1 DD5 24 DIOR 37 DASP 50 Vendor specific 12 DDN 25 DIOW 38 5V 13 DD4 26 GND 39 5V Service Reference Guide dx7300 433611 001 A 5 Connector Pin Assignments 24 Pin Power CMT and MT models Connector DDD oa aabaoo Daba jaa palaibjo Pin Signal Pin Signal Pin Signal Pin Signal 1 3 3 V 7 GND 13 33V 19 GND 2 3 3 V 8 POK 4 12V 20 open 3 GND 9 5 Vaux 15 GND 21 5 V 4 5 V 10 12V 16 PSON 22 5V 5 GND T 12 V 17 GND 23 5V 6 5 V 12 3 3V 18 GND 24 GND 24 Pin MicroFit Power USDT SFF and ST models Connector 24 13 DDoS eles 12 1 Pin Signal Pin Signal Pin Signal Pin Signal 1 5 Vaux 7 PWRGD 13 12 V 19 GND 2 GND 8 3 3 V 14 5V Sense 20 3 3 Sense 3 5 V 9 3 3 V 15 GND 21 3 3V 4 5 V 10 Tach 16 5V 22 3 3V 5 PS_ON 1 GND 17 5V 23 GND 6 GND 12 Fan CMD 18 43 3V 24 12V 4 Pin Power for CPU MT and CMT models Connector and Icon Pin CMT and MT Signal GND 4 3
63. DOOOE ODBGDOdDOO ODODODOO Pin Signal Pin Signal 1 T M D S Data2 13 T M D S Data3 2 T M D S Data2 14 5V Power 3 T M D S Data2 4 Shield 15 Ground for 5V 4 T M D S Data4 16 Hot Plug Detect 5 T M D S Data4 17 T M D S Data0O 6 DDC Clock 18 T M D S Data0 7 DDC Data 19 T M DS Data0 5 Shield 8 No Connect 20 T M D S Data5 9 T M D S Datal 21 T M D S Data5 10 T M D S Datal 22 T M D S Data Shield 11 T M D S Data1 3 Shield 23 T M D S Clock 12 T M D S Data3 24 T M D S Clock A 10 433611 001 Service Reference Guide dx7300 Power Cord Set Requirements The power supplies on some computers have external power switches The voltage select switch feature on the computer permits it to operate from any line voltage between 100 120 or 220 240 volts AC Power supplies on those computers that do not have external power switches are equipped with internal switches that sense the incoming voltage and automatically switch to the proper voltage The power cord set received with the computer meets the requirements for use in the country where you purchased the equipment Power cord sets for use in other countries must meet the requirements of the country where you use the computer General Requirements The requirements listed below are applicable to all countries 1 The power cord must be approved by an acceptable accredited agency responsible for evaluation in the country where the power cord set will be
64. E49 Clear password header jumper L1 USB front port choke 1st L2 USB rear port choke 1st L3 USB rear port choke 2nd L4 USB rear port choke 3rd L5 USB front port choke 2nd Pl P S connector 20 or 24 pin P2 Second P S connector as required P3 Processor 12V header P4 Secondary Processor 12V header P5 Main Power HDD LED connector P6 Speaker connector P7 Analog audio connector from CD ROM P8 Primary chassis fan header or primary CPU heatsink fan P9 Secondary chassis fan header P10 Diskette drive connector P1 Auxiliary Audio connector P12 Alert on LAN connector P13 VRM module footprint P15 AUI connector P16 Fan command fan sink header may be 2 or 4 pin P17 Digital audio expansion header P18 SPDIF internal input header P19 SPDIF internal output header P20 Primary IDE connector P21 Secondary IDE MultiBay connector P22 Header for NEWCARD E 2 433611 001 Service Reference Guide dx7300 System Board and Riser Board Reference Designators Designator Component Continued P23 Header for front panel audio P24 Header for front panel USB P25 Internal USB connector 1 P26 Internal USB connector 2 P27 MultiBay header P29 SCSI LED connector P30 PCI extender slot female P40 Blade PC graphics connector outboard PA Blade PC graphics connector inboard P52 Second serial port P54 Primary serial port P55 Double stack serial port Top Serial B Bottom Seri
65. FF external 3 5 inch drive 7 27 SFF fan shroud 7 33 SFF front 1 O device 7 34 SFF hard drive 7 29 SFF heatsink 7 35 SFF hood sensor 7 5 SFF memory 7 13 SFF optical drive 7 25 SFF padlock 7 7 SFF PCI Express expansion card 7 17 SFF power supply 7 39 SFF power switch assembly 7 47 SFF processor 7 36 SFF riser card assembly 7 18 SFF Smart Cover Lock 7 3 SFF speaker 7 38 SFF system board 7 42 retired solutions 3 9 riser board reference designators E 1 SFF removal and replacement 7 18 riser card SFF removal and replacement 7 18 ROM flash BIOS ROM 3 9 S safety precautions cleaning 5 5 SATA connectors on system board 4 1 data cable pinouts 4 2 hard drive characteristics 4 1 pin assignments A 7 power cable pinouts 4 2 screws correct size 5 8 SDRAM synchronous dynamic random access memory F 1 security DriveLock 3 22 fingerprint identification technology 3 26 HP ProtectTools Security Manager 3 5 MT external 6 2 password 3 19 SFF 7 6 security features overview 3 17 serial interface pin assignments A 3 service considerations 5 7 setup password changing 3 21 deleting 3 21 entering 3 20 setting 3 19 setup Windows 1 1 SFF backwall removal and replacement 7 18 battery removal and replacement 7 48 bezel insert removal and replacement 7 9 cable connections 7 12 cable lock removal and replacement 7 6 cable management 7 11 chassis fan removal and replacement 7 41 chassis illustrated 5 2 compu
66. FORMAT may be used but all existing files on the USB flash media device will be lost MH PC that is bootable from a USB flash media device CAUTION Some older PCs may not be bootable from a USB flash media device If the default boot order in the Computer Setup F10 Utility lists the USB device before the hard drive the computer can be booted from a USB flash media device Otherwise a bootable diskette must be used 1 If there are any PCI cards in the system that have SCSI ATA RAID or SATA drives attached turn off the computer and unplug the power cord ZN CAUTION The power cord MUST be unplugged 2 Open the computer and remove the PCI cards 3 Insert the USB flash media device into one of the computer s USB ports and remove all other USB storage devices except USB diskette drives Close the computer cover 4 Plug in the power cord and turn on the computer 5 As soon as the computer is turned on press F10 when the monitor light turns green to enter Computer Setup Press Enter to bypass the title screen if necessary Q If you do not press F10 at the appropriate time you must restart the computer and again press F10 when the monitor light turns green to access the utility 3 14 433611 001 Service Reference Guide dx7300 Desktop Management 6 Go to Advanced gt PCI Devices to disable both the PATA and SATA controllers When disabling the SATA controller note the IRQ to which the controller is ass
67. GND 76 PERp14 81 PERn 15 77 PERnI4 82 GND 78 GND 79 GND 80 PERp15 Pin B information is on the next page Notes x1 PCI Express uses pins 1 18 x4 PCI Express uses pins 1 32 x8 PCI Express uses pins 1 49 x16 PCI Express uses pins 1 8 A 8 433611 001 Service Reference Guide dx7300 Connector Pin Assignments PCI Express x1 x4 x8 and x16 PCI Express Connector Pin B Pin Signal Pin Signal Pin Signal Pin Signal Pin Signal 1 12V 6 SMDAT Y WAKE 16 GND 21 GND 2 12V 7 GND 12 RSVD 17 PRSNT2 22 GND 3 RSVD 8 3 3v 13 GND 18 GND 23 PETp2 4 GND 9 JTAG1 14 PETpPO 19 PETp1 24 PETn2 5 SMCLK 10 3 3vAux 15 PETnO 20 PETn1 25 GND 26 GND 31 PRSNT2 36 GND Al PETp 46 PETn7 27 PETp3 32 GND 37 PETp5 42 PRIn 47 GND 28 PETn3 33 PETp4 38 PETn5 43 GND 48 PRSNT2 29 GND 34 PETn4 39 GND 44 GND 49 GND 30 RSVD 35 GND 40 GND 45 PETp7 50 PETp8 5 PETn8 56 GND 6l GND 66 PETp12 71 PETn 13 52 GND 57 GND 62 PETpN 67 PETn12 72 GND 53 GND 58 PETp10 63 PETn11 68 GND 73 GND 54 PETp9 59 PETn10 64 GND 69 GND 74 PETp 14 55 PETn9 60 GND 65 GND 70 PETp13 73 PETnl4 76 GND 81 PRSNT2 77 GND 82 RSVD 78 PETp15 79 PETn15 80 GND Notes x1 PCI Express uses pins 1 18 x4 PCI Express uses pins 1 32 x8 PCI Express uses pins 1 49 x16 PCI Express uses pins 1 82 Service Reference Guide dx7300 433611 001 A 9 Connector Pin Assignments DVI Connector Connector and Icon DOO
68. Hard drive if no ODD present System board P61 SATA 1 White 2nd or 4th Hard drive if no ODD present System board P62 SATA 2 Light blue 2nd ODD or 3rd HDD if no ODD present System board P63 SATA 3 Orange Serial port B System board P52 COM B Hood lock solenoid System board P124 HLCK Heatsink fan System board P70 CPU FAN Hood Sensor System board P125 HSENS Front power button LED System board P5 F_PNL Front I O USB System board P24 FRNT USB Yellow Speaker System board P SPKR White Front audio System board P23 FRTNT AUD Black Chassis fan System board P8 CHASSIS FAN Red 433611 001 Service Reference Guide dx7300 Removal and Replacement Procedures Microtower MT Chassis 6 7 Memory CAUTION The memory module sockets have gold metal contacts When upgrading the memory it is important to use memory modules with gold metal contacts to prevent corrosion and or oxidation resulting from having incompatible metals in contact with each other CAUTION Static electricity can damage the electronic components of the computer or optional cards Before beginning these procedures ensure that you are discharged of static electricity by briefly touching a grounded metal object Refer to Section 5 2 Electrostatic Discharge Information for more information CAUTION When handling a memory module be careful not to touch any of the co
69. LED 6 Pre video For systems with a graphics card flashes six times graphics error 1 Reseat the graphics card once every second followed 2 Replace the graphics card by a two second 3 Replace the system board pause Beeps stop For systems with integrated graphics after fifth iteration replace the system board but LEDs continue until problem is solved Red Power LED 7 System board Replace the system board flashes seven failure ROM times once every detected failure second followed prior to video by a two second pause Beeps stop after fifth iteration but LEDs continue until problem is solved Red Power LED 8 Invalid ROM 1 Reflash the ROM with the latest BIOS flashes eight times based on bad image See the Boot Block once every checksum Emergency Recovery Mode section of second followed the Desktop Management Guide on by a two second the Documentation and Diagnostics pause Beeps stop CD after fifth iteration but LEDs continue until problem is solved 2 Replace the system board Service Reference Guide dx7300 433611 001 C 11 POST Error Messages POST Diagnostic Front Panel LEDs and Audible Codes Continued Activity Red Power LED flashes nine times once every second followed by a two second pause Beeps stop after fifth iteration but LEDs continue until problem is solved Beeps 9 Possible Cause System powers on but is unable to boot Recommended Ac
70. LED turns green then 1 Check that the voltage selector located on the rear of the power supply on some models is set to the appropriate voltage Proper voltage setting depends on your region 2 Remove the expansion cards one at a time until the 5V_aux light on the system board turns on 3 Replace the system board OR Press and hold the power button for less than 4 seconds The hard drive LED does not turn on green 1 Check that the unit is plugged into a working AC outlet 2 Open hood and check that the power button harness is properly connected to the system board 3 Check that both power supply cables are properly connected to the system board 4 Check to see if the 5V_aux light on the system board is turned on If it is turned on then replace the power button harness 5 If the 5V_aux light on the system board is off then replace the power supply 6 Replace the system board 433611 001 Service Reference Guide dx7300 Troubleshooting Without Diagnostics Solving Power Supply Problems Solving Power Supply Problems Problem Power supply shuts down intermittently Cause Voltage selector switch on rear of computer chassis some models is not switched to correct line voltage 115V or 230V Solution Select the proper AC voltage using the selector switch Power supply will not turn on because of internal power supply fault Replace the power supply Comp
71. Management Technology AMT CO C O vu Free version for basic hardware management of HP desktops and notebooks and software and hardware management for HP Thin Clients For more information about the HP OpenView Client Configuration Manager visit http www managementsoftware hp com products ccm index html HP OpenView PC Configuration Management Solutions HP OpenView Configuration Management solutions automate the management of software such as operating systems applications patches content and configuration settings to ensure that each computing device is maintained in the right configuration Proven across enterprises of every size and complexity HP s adaptive policy based model for software Configuration Management automates the entire software lifecycle management process from discovery deployment and ongoing management through to migration and retirement By substituting automation for manual intervention HP helps its customers lower costs significantly reduce software related problems and ensure the software supporting their business operations is reliable and secure For more information on HP OpenView PC Configuration Management Solution visit http h20229 www2 hp com solutions ascm index html 433611 001 Service Reference Guide dx7300 Desktop Management 3 3 9 Intel vPro branded PCs with Active Management Technology Intel Active Management Technology AMT allows better discovery healing
72. P124 HLCK Heatsink fan System board P8 CPU FAN Hood Sensor System board P125 HSENSE Front power button LED System board P5 Pb LED Front I O USB System board P24 FRNT USB Yellow Speaker System board P SPKR Front audio System board P23 FRTNT AUD Blue Chassis fan System board P9 CH FAN 7 12 433611 001 Service Reference Guide dx7300 Removal and Replacement Procedures Slim Tower ST Chassis 7 8 Memory CAUTION The memory module sockets have gold metal contacts When upgrading the memory it is important to use memory modules with gold metal contacts to prevent corrosion and or oxidation resulting from having incompatible metals in contact with each other CAUTION Static electricity can damage the electronic components of the computer or optional cards Before beginning these procedures ensure that you are discharged of static electricity by briefly touching a grounded metal object Refer to Section 5 2 Electrostatic Discharge Information for more information CAUTION When handling a memory module be careful not to touch any of the contacts Doing so may damage the module 1 If you have locked the Smart Cover Lock use Computer Setup to unlock the lock Section 7 2 2 Prepare the computer for disassembly Section 7 1 3 Remove the computer cover Section 7 5 WARNING To reduce risk of personal injury from hot surfaces allow the internal system components to co
73. ROM flash Asset tracking and security Fault notification and recovery Support for specific features described in this guide may vary by model or software version Initial Configuration and Deployment HP computers come with a preinstalled system software image After a brief software unbundling process the computer is ready to be used A customized software image may be deployed by E Installing additional software applications after unbundling the preinstalled software image E Using software deployment tools such as HP OpenView Client Configuration Manager HP OpenView PC Configuration Management Solutions or Altiris Deployment Solution to replace the preinstalled software with a customized software image E Using a disk cloning process to copy the contents from one hard drive to another The best deployment method depends on your information technology environment and processes The PC Deployment section of the HP Lifecycle Solutions Web site http h20219 www2 hp com services cache 80906 0 0 225 121 html provides information to help you select the best deployment method The Restore Plus CD ROM based setup and ACPI hardware provide further assistance with recovery of system software configuration management and troubleshooting and power management Service Reference Guide dx7300 433611 001 3 1 Desktop Management 3 1 1 HP OpenView Agent The Radia Management Agent RMA used by both HP OpenView C
74. Removable Media Boot in Storage gt Storage Options gt Removable Media Boot 433611 001 Service Reference Guide dx7300 Troubleshooting Without Diagnostics Solving Hard Drive Problems Solving Hard Drive Problems Problem Hard drive error occurs Cause Hard disk has bad sectors or has failed Solution Use a utility to locate and block usage of bad sectors If necessary reformat the hard disk In Windows XP right click Start click Explore and select a drive Select File gt Properties gt Tools Under Error checking click Check Now Disk transaction problem Either the directory structure is bad or there is a problem with a file In Windows XP right click Start click Explore and select a drive Select File gt Properties gt Tools Under Error checking click Check Now Drive not found identified Cable could be loose Check cable connections The system may not have automatically recognized a newly installed device 1 See reconfiguration directions in the Solving Hardware Installation Problems section If the system still does not recognize the new device check to see if the device is listed within Computer Setup If it is listed the probable cause is a driver problem If it is not listed the probable cause is a hardware problem 2 If this is a newly installed drive enter Setup and try adding a POST delay under Advanced gt Power On The
75. Save to USB key 4 Enter a file name in the File Name box and click the Save button An html file will be saved to the inserted diskette or USB HP Drive Key Q Do not remove the diskette or Drive Key until you see a message indicating that the total file has been written to the media 5 Print the information from the storage device used to save it Q To exit HP Insight Diagnostics click the Exit Diagnostics button in the bottom left corner of the screen then remove the Documentation and Diagnostics CD from the optical drive 2 3 8 Downloading the Latest Version of HP Insight Diagnostics Go to www hp com Click the Software and Download driver link Enter the product number for example dc7700 in the text box and press the Enter key Select the specific product Select the OS Click the Diagnostics link Select HP Insight Diagnostics Offline Edition CoN DD UU FW Ne Select the proper language and click Download Q The download includes instructions on how to create the bootable CD 2 18 433611 001 Service Reference Guide dx7300 3 1 3 Desktop Management HP Client Management Solutions provides standards based solutions for managing and controlling desktops workstations and notebook PCs in a networked environment The key capabilities and features of desktop management are Initial configuration and deployment Remote system installation Software updating and management
76. Setup and reset the IRQ in Advanced gt Onboard Devices 411 Network Interface Card Interrupt Conflict IRQ address conflicts with another device Enter Computer Setup and reset the IRQ in Advanced gt Onboard Devices 501 Display Adapter Failure Graphics display controller 1 Reseat the graphics card if applicable 2 Clear CMOS 3 Verify that the monitor is attached and turned on 4 Replace the graphics card if applicable 510 Flash Screen image corrupted Flash Screen image has errors Reflash the system ROM with the latest BIOS image Service Reference Guide dx7300 433611 001 C 3 POST Error Messages POST Error Messages Continued Screen Message Probable Cause Recommended Action 511 CPU CPUA or CPU fan is not connected 1 Reseat the CPU fan CPUB Fan not detected or may have 2 Reseat fan cable lfunctioned l i Deere oe a 3 Replace the CPU fan 512 Chassis rear Chassis rear chassis or 1 Reseat chassis rear chassis or front chassis or front chassis front chassis fan is not chassis fan fan not detected connected or may have malfunctioned 2 Reseat fan cable 3 Replace chassis rear chassis or front chassis fan 514 CPU or Chassis Fan not detected CPU or chassis fan is not connected or may have malfunctioned Reseat CPU or chassis fan Reseat fan cable Replace CPU or chassis fan 601 Diskette Controller
77. T Chassis To reattach the Smart Cover Lock 1 Install the Smart Cover Lock assembly on the inside of the rear panel with the metal arm O wrapped around the air vent grid on the back of the chassis 2 Use the supplied tamper resistant screw to secure the Smart Cover Lock to the chassis 7 4 433611 001 Service Reference Guide dx7300 Removal and Replacement Procedures Slim Tower ST Chassis 7 3 Hood Sensor 1 Prepare the computer for disassembly 2 Remove the computer cover 3 Remove the special security clip Section 7 4 1 from the top corner of the power supply cage 4 Raise the power supply to its full upright position 5 Disconnect the hood sensor cable from the system board 6 Slide the hood sensor switch mounted on the power supply towards the outside of the computer O and lower it through the slot To install the hood sensor reverse the removal procedure Service Reference Guide dx7300 433611 001 7 5 Removal and Replacement Procedures Slim Tower ST Chassis 7 4 External Security Devices 7 4 1 Security Clip A special clip is required to secure the computer from intrusion This clip must be installed before installing the computer cover 7 4 2 Cable Lock The cable lock may be used to secure the computer cover to the chassis and at the same time secure the computer to a fixed object Insert the cable lock in the location shown below 7 6 433611 001 Ser
78. TIL THE PROCESS IS COMPLETE Turning off the computer during the installation process might damage the software that runs the computer or prevent its proper installation Q Be sure there is a 10 2 cm 4 inch clearance at the back of the unit and above the monitor to permit the required airflow The first time the computer is turned on the operating system is automatically installed This takes approximately 10 minutes depending on the operating system being installed Carefully read and follow the instructions that appear on the screen to complete the installation Q If the computer shipped with more than one operating system language on the hard drive the installation process could take up to 60 minutes If the computer was not shipped with a Microsoft operating system some portions of this documentation do not apply For complete operating system installation and configuring instructions refer to the operating system documentation Additional information is available in online help Microsoft security updates are available on the Microsoft Web site 1 1 Installing or Upgrading Device Drivers To install optional hardware devices after the operating system installation is complete the drivers for each of the devices must also be installed If prompted for the 1386 directory replace the path specification with C i386 or use the Browse button in the dialog box to locate the i386 folder This action points the operating
79. Turn the power on to restart the computer 3 10 433611 001 Service Reference Guide dx7300 Desktop Management 3 4 4 Replicating the Setup The following procedures give an administrator the ability to easily copy one setup configuration to other computers of the same model This allows for faster more consistent configuration of multiple computers Q Both procedures require a diskette drive or a supported USB flash media device such as an HP Drive Key Copying to Single Computer CAUTION A setup configuration is model specific File system corruption may result if source and target computers are not the same model For example do not copy the setup configuration from a dc7nnn PC to a dx7nnn PC 1 Select a setup configuration to copy Turn off the computer If you are in Windows click Start gt Shut Down gt Shut Down 2 If you are using a USB flash media device insert it now 3 Turn on the computer 4 As soon as the computer is turned on press F10 when the monitor light turns green to enter Computer Setup Press Enter to bypass the title screen if necessary Q If you do not press F10 at the appropriate time you must restart the computer and again press F10 when the monitor light turns green to access the utility 5 If you are using a a diskette insert it now 6 Select File gt Replicated Setup gt Save to Removable Media Follow the instructions on the screen to create the configuration di
80. UTION Not all computers can be booted from a USB flash media device If the default boot order in the Computer Setup F10 Utility lists the USB device before the hard drive the computer can be booted from a USB flash media device Otherwise a bootable diskette must be used 2 Select a setup configuration to copy Turn off the computer If you are in Windows click Start gt Shut Down gt Shut Down 3 If you are using a USB flash media device insert it now 4 Turn on the computer 5 As soon as the computer is turned on press F10 when the monitor light turns green to enter Computer Setup Press Enter to bypass the title screen if necessary Q If you do not press F10 at the appropriate time you must restart the computer and again press F10 when the monitor light turns green to access the utility 6 If you are using a diskette insert it now 7 Select File gt Replicated Setup gt Save to Removable Media Follow the instructions on the screen to create the configuration diskette or USB flash media device 8 Download a BIOS utility for replicating setup repset exe and copy it onto the configuration diskette or USB flash media device To obtain this utility go to http www hp com click Software and Driver Downloads and enter the model number of the computer 9 On the configuration diskette or USB flash media device create an autoexec bat file containing the following command repset exe 10 Turn off the comput
81. VD Combo drive 1 If you have locked the Smart Cover Lock use Computer Setup to unlock the lock Section 7 2 2 Prepare the computer for disassembly Section 7 1 3 Remove the computer cover Section 7 5 4 Rotate the drive cage to its upright position by pulling on the green tabbed lip 5 Disconnect the power and data cables from the rear of the optical drive Service Reference Guide dx7300 433611 001 7 25 Removal and Replacement Procedures Slim Tower ST Chassis 6 Rotate the drive cage down to its normal position before trying to remove the drive 7 Press the green drive retainer latch and slide the drive forward and lift it from the drive cage 8 When replacing the drive transfer the four screws from the old drive to the new one The screws take the place of drive rails CAUTION Use only 5 mm long screws as guide screws Longer screws can damage the internal components of the drive 7 26 433611 001 Service Reference Guide dx7300 Removal and Replacement Procedures Slim Tower ST Chassis 7 11 3 External 3 5 inch Drive 1 If you have locked the Smart Cover Lock use Computer Setup to unlock the lock Section 7 2 2 Prepare the computer for disassembly Section 7 1 3 Remove the computer cover Section 7 5 4 Remove the optical drive Section 7 11 2 5 Rotate the drive cage to its upright position by pulling on the green tabbed lip 6 Disconnect the signal
82. VDE 1 The flexible cord must be lt HAR gt Type HO5VV F 3 conductor 0 75mm conductor size Power cord set fittings appliance coupler and wall plug must bear the certification mark of the agency responsible for evaluation in the country where it will be used 2 The flexible cord must be Type SVT or equivalent No 18 AWG 3 conductor The wall plug must be a two pole grounding type with a NEMA 5 15P 15A 125V or NEMA 6 15P 15A 250V configuration 3 Appliance coupler flexible cord and wall plug must bear a T mark and registration number in accordance with the Japanese Dentori Law Flexible cord must be Type VCT or VCTF 3 conductor 0 75 mm conductor size Wall plug must be a two pole grounding type with a Japanese Industrial Standard C8303 7A 125V configuration B 2 433611 001 Service Reference Guide dx7300 C POST Error Messages POST Error Messages An error message results if the Power On Self Test POST encounters a problem This test runs when the system is turned on checking assemblies within the computer and reporting any errors found Not all computers use all of the codes listed POST Error Messages Screen Message Probable Cause 101 Option ROM System ROM or Checksum Error expansion board option ROM checksum On Recommended Action Verify the correct ROM Flash the ROM if needed If an expansion card was recently added remove it and see if the problem rema
83. ages POST Error Messages Continued Screen Message Probable Cause Recommended Action 2205 Interface error during MEBx execution MEBx operation experienced a hardware error during communication with ME a Reboot the computer If the error persists update to the latest BIOS version If the error still persists replace the system board Invalid Electronic Serial Number Electronic serial number has become corrupted Run Computer Setup If Setup already has data in the field or will not allow the serial number to be entered download from http www hp com and run SP5572 EXE SNZERO EXE Run Computer Setup and try to enter serial number under Security System ID then save changes Network Server Mode Active and No Keyboard Attached Keyboard failure while Network Server Mode enabled oH 4 Reconnect keyboard with computer turned off Check connector for bent or missing pins Ensure that none of the keys are depressed Replace keyboard Parity Check 2 Parity RAM failure Run Computer Setup and diagnostic utilities System will not boot without fan CPU fan not installed or disconnected in VSFF chassis 1 Remove the computer cover press the power button and see if the processor fan spins If not spinning make sure the fan cable is plugged onto the system board header Ensure the heatsink is properly seated and
84. al A P58 Riser edge connector male mates with J30 P60 Primary Serial ATA SATA connector P l Second Serial ATA SATA connector P62 Third Serial ATA SATA connector P63 Fourth Serial ATA SATA connector P64 VSFF expansion connector P65 Graphics option connector P66 Fifth Serial ATA SATA connector P67 Sixth Serial ATA SATA connector P68 Seventh Serial ATA SATA connector P69 Eighth Serial ATA SATA connector P70 Primary CPU fan header for fansink P71 Secondary CPU fan header for fansink P80 Primary Serial Attached SCSI SAS connector P81 Second Serial Attached SCSI SAS connector P82 Third Serial Attached SCSI SAS connector P83 Fourth Serial Attached SCSI SAS connector P84 Fifth Serial Attached SAS connector P85 Sixth Serial Attached SAS connector P86 Seventh Serial Attached SAS connector P87 Eighth Serial Attached SAS connector P101 Security board connector system board P106 Secondary speaker connector P124 Hood lock header P125 Hood sensor header P126 Flying parallel port header P150 Media reader header P216 White box chassis fan header SW2 Security hood switch on riser card SW50 Clear CMOS switch push button U2 Single chip solution combined northbridge southbridge U3 North bridge U4 South bridge U5 Super I O Service Reference Guide dx7300 433611 001 E 3 System Board and Riser Board Reference Designators Designator Component Continued U6
85. al and Replacement Procedures Microtower MT Chassis 6 16 Speaker 1 Prepare the computer for disassembly Section 6 1 N Remove the access panel and rotate the computer so the system board is parallel to the table to make it easier to work on Section 6 3 Move remove any components necessary to gain access to the speaker Disconnect the speaker wire from the system board connector Remove the two plastic push pins that secure the speaker to the chassis n nr A W Remove the speaker by lifting it up and out of the retaining clips To install the speaker reverse the removal procedures Service Reference Guide dx7300 433611 001 6 31 Removal and Replacement Procedures Microtower MT Chassis 6 17 Power Supply WARNING Voltage is always present on the system board when the computer is plugged into an active AC outlet To avoid possible personal injury and damage to the equipment the power cord should be disconnected from the computer and or the AC outlet before opening the computer 1 Prepare the computer for disassembly Section 6 1 2 Remove the access panel and rotate the computer so the system board is parallel to the table to make it easier to work on Section 6 3 3 Disconnect all power cables from the mass storage devices and from the system board 4 Remove the screws that connect the power supply to the chassis O 6 32 433611 001 Service Reference Guide dx7300
86. amage to the DIMMs or the system board you must unplug the computer power cord before attempting to reseat install or remove a DIMM module For those systems that support ECC memory HP does not support mixing ECC and non ECC memory Otherwise the system will not boot the operating system Q The memory count will be affected by configurations with the Management Engine ME enabled The ME uses 8MB of system memory in single channel mode or 16 MB of memory in dual channel mode to download decompress and execute the ME firmware for Out of Band OOB third party data storage and other management functions Solving Memory Problems Problem System will not boot or does not function properly after installing additional memory modules Cause A memory module is not installed in the XMM1 socket Solution Ensure that a memory module is installed in the black XMM1 socket on the system board This socket must be populated with a memory module Memory module is not the correct type or speed grade for this system or the new memory module is not seated properly Replace module with the correct industry standard device for the computer On some models ECC and non ECC memory modules cannot be mixed Out of memory error Memory configuration may not be set up correctly Use the Device Manager to check memory configuration You have run out of memory to run the application Check the application
87. ancel Testing button is displayed for use if you want to cancel the test After testing has completed the Cancel Testing button is replaced with a Retest button The Retest button will retest the last set of tests executed This enables you to re run the set of tests without having to re enter the data in the Test tab The Status tab also shows E The devices being tested The test status running passed or fail of each device being tested EH The overall test progress of all devices being tested E The test progress for each device being tested HH The elapsed test times for each device being tested 2 3 5 Log Tab The Log tab contains a Test Log and an Error Log tab The Test Log displays all tests that have been executed the number of times of execution the number of times failed and the time it took to complete each test The Clear Test Log button will clear the contents of the Test Log The Error Log displays the tests for devices that have failed during the diagnostic testing and includes the following columns of information E The Device section displays the device tested E The Test section displays the type of test run E The Description section describes the error that the diagnostic test found a The Recommended Repair will give a recommended action that should be performed to resolve the failed hardware The Failed Count is the number of times the test has failed E The Error Code provides a numerical code for the
88. and create a custom profile visit http h30046 www3 hp com subhub php 433611 001 Service Reference Guide dx7300 Desktop Management 3 3 11 Subscriber s Choice Subscriber s Choice is a client based service from HP Based on your profile HP will supply you with personalized product tips feature articles and or driver and support alerts notifications Subscriber s Choice Driver and Support Alerts Notifications will deliver e mails notifying you that the information you subscribed to in your profile is available for review and retrieval To learn more about Subscriber s Choice and create a custom profile visit http h30046 www3 hp com subhub php 3 3 12 Retired Solutions 3 4 3 4 1 Two software packages Altiris Local Recovery and Dantz Retrospect will no longer be shipping on HP business desktops notebooks or workstations Starting with new business desktops notebooks and workstations released in 2006 all will ship with HP Backup and Recovery Manager ROM Flash The computer s BIOS is stored in a programmable flash ROM read only memory By establishing a setup password in the Computer Setup F10 Utility you can protect the ROM from being unintentionally updated or overwritten This is important to ensure the operating integrity of the computer Should you need or want to upgrade the BIOS you may download the latest BIOS images from the HP driver and support page http h18000 www 1 hp com suppor
89. and protection of networked computing assets With AMT PCs can be managed whether the system is on off or the operating system is hung Intel vPro features include E Hardware inventory information E Alerting E Power management power on off cycle power E Remote diagnosis and repair T Serial over LAN allows console control of remote PC T IDE Redirect allows system booting from a remote boot drive disk or ISO image ME Hardware based isolation and recovery limit or cut off PC network access if virus like activity is detected Q For an overview of Intel vPro technology visit http www intel com vpro For HP specific information on Intel vPro technology see the white papers at http www hp com support Select your country and language select See support and troubleshooting information enter the model number of the computer and press Enter In the Resources category click Manuals guides supplements addendums etc Under Quick jump to manuals by category click White papers On Intel vPro branded PCs available management technologies include the following E AMT m ASF EH Virtualization Technology VT ASF and AMT may not be configured at the same time but both are supported To configure Intel vPro systems for AMT or ASF 1 Turn on or restart the computer If you are in Microsoft Windows click Start gt Shut Down gt Restart 2 As soon as the computer is turned on press the hot key Ctrl P
90. annel has the same amount of memory 433611 001 Service Reference Guide dx7730 POST Error Messages POST Error Messages Continued Screen Message Probable Cause Recommended Action 219 ECC Memory Module Detected ECC Modules not supported on this platform Recently added memory module s support ECC memory error correction oH If additional memory was recently added remove it to see if the problem remains 2 Check product documentation for memory support information 301 Keyboard Error Keyboard failure oH Reconnect keyboard with computer turned off 2 Check connector for bent or missing pins 3 Ensure that none of the keys are depressed 4 Replace keyboard 303 Keyboard Controller Error 304 Keyboard or System Unit Error I O board keyboard controller Keyboard failure 4 Reconnect keyboard with computer turned off 2 Replace the system board oH Reconnect the keyboard with computer turned off 2 Ensure that none of the keys are depressed 3 Replace keyboard 4 Replace system board 404 Parallel Port Address Conflict Detected Both external and internal ports are assigned to parallel port X 4 Remove any parallel port expansion cards 2 Clear CMOS 3 Reconfigure card resources and or run Computer Setup 410 Audio Interrupt Conflict IRQ address conflicts with another device Enter Computer
91. ard complete the following instructions to replace the battery 7 48 433611 001 Service Reference Guide dx7300 Removal and Replacement Procedures Slim Tower ST Chassis 7 22 1 Type 1 Battery Holder 1 Lift the battery out of its holder Slide the replacement battery into position positive side up The battery holder automatically secures the battery in the proper position Replace the computer access panel Plug in the computer and turn on power to the computer Nn BE U N Reset the date and time your passwords and any special system setups using Computer Setup Refer to the Computer Setup F10 Utility Guide Service Reference Guide dx7300 433611 001 7 49 Removal and Replacement Procedures Slim Tower ST Chassis 7 22 2 Type 2 Battery Holder 1 To release the battery from its holder squeeze the metal clamp that extends above one edge of the battery When the battery pops up lift it out O 2 To insert the new battery slide one edge of the replacement battery under the holder s lip with the positive side up Push the other edge down until the clamp snaps over the other edge of the battery 3 Replace the computer access panel 4 Plug in the computer and turn on power to the computer 5 Reset the date and time your passwords and any special system setups using Computer Setup Refer to the Computer Setup F10 Utility Guide 7 50 433611 001 Service Reference Guide
92. are properly positioned so they are not cut by the drive cage and are not pinched by the rotating power supply 7 40 433611 001 Service Reference Guide dx7300 Removal and Replacement Procedures Slim Tower ST Chassis 7 18 Chassis Fan Prepare the computer for disassembly Section 7 1 Remove the computer cover Section 7 5 Remove the fan shroud Section 7 12 Disconnect the chassis fan cable from the system board an A U N Ha Remove the four screws that secure the fan to the chassis then remove the fan from the chassis To install the chassis fan reverse the removal procedure Be sure to orient the air flow into the unit The molded grille on the chassis fan should face the inside of the chassis Service Reference Guide dx7300 433611 001 7 41 Removal and Replacement Procedures Slim Tower ST Chassis 7 19 System Board Prepare the computer for disassembly Section 7 1 Remove the computer cover Section 7 5 Remove all PCI and PCI Express expansion boards Section 7 9 Remove the fan shroud from the chassis Section 7 11 Remove the chassis fan from the chassis Section 7 18 Rotate the drive cage to its full upright position ND 4 FW Ne Remove the security clip Section 7 4 1 and rotate the power supply to its full upright position 8 Disconnect all data and power cables from the system board 7 42 433611 001 Service Reference Guide dx7300 Re
93. ata Receive data Poo A Transmit data Receive data P4 Ground Ground Ground pore B Receive data Transmit data P6 B Receive data Transmit data P7 Ground Ground Ground P2 and P3 differential signal pair P5 and P differential signal pair 4 2 2 SATA Power Cable Pin Usage Notes Pin Usage Notes P1 V3 3 3 3 V power P9 V5 5 V power P2 V3 3 3 3 V power P10 Ground P3 V3 3 3 3 V power P11 Ground P4 Ground P12 Ground P5 Ground P13 V 12 12 V power P Ground P14 V12 12 V power P7 V5 5 V power P15 v12 12 V power P8 V5 5 V power 4 2 433611 001 Service Reference Guide dx7300 Serial and Parallel ATA Drive Guidelines and Features 4 3 4 4 4 5 PATA Device Information The USDT model is the only product that supports a PATA optical drive No PATA drives are supported on any other model ATA SMART Drives The Self Monitoring Analysis and Recording Technology SMART ATA drives for the HP Personal Computers have built in drive failure prediction that warns the user or network administrator of an impending failure or crash of the hard drive The SMART drive tracks fault prediction and failure indication parameters such as reallocated sector count spin retry count and calibration retry count If the drive determines that a failure is imminent it generates a fault alert Hard Drive Capacities The combination of the file system and the operating system used in the computer determines the maximum usable size of a drive partition A driv
94. attery use a battery equivalent to the battery originally installed on the computer The computer comes with a 3 volt lithium coin cell battery The lifetime of the lithium battery can be extended by plugging the computer into a live AC wall socket The lithium battery is only used when the computer is NOT connected to AC power WARNING This computer contains an internal lithium manganese dioxide battery There is a risk of fire and burns if the battery is not handled properly To reduce the risk of personal injury Do not attempt to recharge the battery Do not expose to temperatures higher than 140 F 60 C Do not disassemble crush puncture short external contacts or dispose of in fire or water Replace the battery only with the HP spare designated for this product CAUTION Before replacing the battery it is important to back up the computer CMOS settings When the battery is removed or replaced the CMOS settings will be cleared Refer to the Computer Setup F10 Utility Guide for information on backing up the CMOS settings Batteries battery packs and accumulators should not be disposed of together with the general household waste In order to forward them to recycling or proper disposal please use the public collection system or return them to HP their authorized partners or their agents CAUTION Static electricity can damage the electronic components of the computer or optional equipment Before beginni
95. ce Guide dx7300 433611 001 D 21 Troubleshooting Without Diagnostics Solving Hardware Installation Problems You may need to reconfigure the computer when you add or remove hardware such as an additional diskette drive If you install a plug and play device Windows XP automatically recognizes the device and configures the computer If you install a non plug and play device you must reconfigure the computer after completing installation of the new hardware In Windows XP use the Add Hardware Wizard and follow the instructions that appear on the screen WARNING When the computer is plugged into an AC power source voltage is always applied to the system board To reduce the risk of personal injury from electrical shock and or hot surfaces be sure to disconnect the power cord from the wall outlet and allow the internal system components to cool before touching Look for the LED between the DIMM sockets If the LED is illuminated the system still has power Power off the computer and remove the power cord before proceeding Solving Hardware Installation Problems Problem A new device is not recognized as part of the system Cause Device is not seated or connected properly Solution Ensure that the device is properly and securely connected and that pins in the connector are not bent down Cable s of new external device are loose or power cables are unplugged Ensure that all cables are proper
96. change the display status of Power On Self Test POST messages Post Messages Disabled suppresses most POST messages such as memory count product name and other non error text messages If a POST error occurs the error is displayed regardless of the mode selected To manually switch to Post Messages Enabled during POST press any key except F1 through F12 Establish an Ownership Tag the text of which is displayed each time the system is turned on or restarted Enter the Asset Tag or property identification number assigned by the company to this computer Enable the power on password prompt during system restarts warm boots as well as during power on Establish a setup password that controls access to Computer Setup F10 Utility and the settings described in this section Secure integrated I O functionality including the serial USB or parallel ports audio or embedded NIC so that they cannot be used until they are unsecured Enable or disable removable media boot ability Enable or disable legacy diskette write ability when supported by hardware Solve system configuration errors detected but not automatically fixed during the Power On Self Test POST Replicate the system setup by saving system configuration information on diskette and restoring it on one or more computers Execute self tests on a specified ATA hard drive when supported by drive Enable or disable DriveLock security when supported by drive
97. ckets are populated with at least one preinstalled memory module To achieve the maximum memory support you can populate the system board with up to 8GB of memory configured in a high performing dual channel mode For proper system operation the DDR2 SDRAM DIMMs must be E industry standard 240 pin E unbuffered PC2 4300 533 MHz compliant PC2 5300 667 MHz compliant or PC2 6400 800 MHz compliant E 1 8volt DDR2 SDRAM DIMMs The DDR2 SDRAM DIMMs must also E support CAS latency 4 DDR2 533 MHz and DDR2 667 MHz and CAS latency 5 DDR2 667 MHz and DDR2 800 MHz E contain the mandatory JEDEC SPD information In addition the computer supports E 256Mbit 512Mbit AND 1 Gbit non ECC memory technologies E single sided and double sided DIMMS E DIMMs constructed with x8 and x16 DDR devices DIMMs constructed with x4 SDRAM are not supported Q The system will not start if you install unsupported DIMMs DIMM Sockets There are four DIMM sockets on the system board with two sockets per channel The sockets are labeled XMM1 XMM2 XMM3 and XMM4 Sockets XMM1 and XMM2 operate in memory channel A Sockets XMM3 and XMM4 operate in memory channel B Service Reference Guide dx7300 433611 001 El Memory The system board shown may differ from the one in your product A e EO e a o o Item Description Socket Color 0 DIMM socket XMM 1 Channel A Black O DIMM socket XMM2 Channel A White DIMM socke
98. computer Follow the instructions in the guide included with the Restore Plus CD When the restore process has completed reinstall any personal files that you backed up before replacing the hard drive 7 32 433611 001 Service Reference Guide dx7300 Removal and Replacement Procedures Slim Tower ST Chassis 7 12 Fan Shroud 1 Prepare the computer for disassembly Section 7 1 2 Remove the computer cover Section 7 5 3 Lift up on the fan shroud to remove it from the computer When replacing the shroud make sure that it does not get caught on the wires from either the fan or the speaker Service Reference Guide dx7300 433611 001 7 33 Removal and Replacement Procedures Slim Tower ST Chassis 7 13 Front I O Devices Prepare the computer for disassembly Section 7 1 Remove the computer cover Section 7 5 Remove the two screws that secure the front I O device to the chassis O Rotate the drive cage to its full upright position Disconnect the front I O cable from the system board Push the front I O device into the chassis and snake the cable through the tunnel to remove the device from the chassis Nn A W NY To reinstall the front I O device reverse the removal procedure 7 34 433611 001 Service Reference Guide dx7300 Removal and Replacement Procedures Slim Tower ST Chassis 7 14 Heatsink 1 Prepare the computer for disassembly Section 7 1 2 Re
99. confidently and efficiently use SSM to keep system software updated System Software Manager integrates with enterprise software distribution tools such as Microsoft Systems Management Server SMS Using SSM you can distribute customer created or third party updates that have been packaged in the SSM format SSM may be downloaded at no charge by visiting www hp com go ssm 3 3 3 HP Client Manager HP Client Manager developed with Altiris is available free for supported HP business desktop notebook and workstation models SSM is integrated into HP Client Manager and enables central tracking monitoring and management of the hardware aspects of HP client systems Use HP Client Manager to Get valuable hardware information such as CPU memory video and security settings E Monitor system health to fix problems before they occur E Automatically acquire and install drivers and BIOS updates without visiting each PC E Remotely configure BIOS and security settings m Automate processes to quickly resolve hardware problems Tight integration with HP Instant Support tools reduces hardware troubleshooting time E Diagnostics remotely run amp view reports on HP desktop notebook and workstation models E System Health Scan check for known hardware issues in your installed base of HP client systems E Active Chat connect to HP customer support to resolve issues 433611 001 Service Reference Guide dx7300 Desktop Management
100. continue for five iterations after which the LED flashes will continue until the problem is resolved Bad option card 1 Check each option card by removing the cards one at time if multiple cards then power on the system to see if fault goes away 2 Once bad card is identified remove and replace bad option card 3 Replace the system board Service Reference Guide dx7300 433611 001 D 23 Troubleshooting Without Diagnostics Solving Network Problems These guidelines do not discuss the process of debugging the network cabling Solving Network Problems Problem Wake on LAN feature is not functioning Cause Wake on LAN is not enabled Solution Enable Wake on LAN 1 Select Start gt Control Panel 2 Double click Network Connections 3 Double click Local Area Connection 4 Click Properties 5 Click Configure 6 Click the Power Management tab then select the check box to Allow this device to bring the computer out of standby Network driver does not detect network controller Network controller is disabled 1 Run Computer Setup and enable network controller 2 Enable the network controller in the operating system via the Device Manager Incorrect network driver Check the network controller documentation for the correct driver or obtain the latest driver from the manufacturer s Web site Network status link light never flashes The netwo
101. ddress Cookies are corrupted Windows XP 1 Select Start gt Control Panel 2 Double click Internet Options 3 On the General tab click the Delete Cookies button Windows 2000 1 Select Start gt Settings gt Control Panel 2 Double click Internet Options 3 On the General tab click the Delete Cookies button Cannot automatically launch Internet programs You must log on to the ISP before some programs will start Log on to the ISP and launch the desired program Service Reference Guide dx7300 433611 001 D 33 Troubleshooting Without Diagnostics Solving Internet Access Problems Continued Problem Cause Solution Internet takes too long to Modem is not set up Verify that the correct modem speed download Web sites properly and COM port are selected For Windows XP 1 Select Start gt Control Panel 2 Double click System 3 Click the Hardware tab 4 In the Device Manager area click the Device Manager button 5 Double click Ports COM amp LPT 6 Right click the COM port your modem uses then click Properties 7 Under Device status verify that the modem is working properly 8 Under Device usage verity the modem is enabled 9 If there are further problems click the Troubleshoot button and follow the on screen instructions Windows 2000 1 Select Start gt Settings gt Control Panel 2 Double click System 3 Click the Hardware tab
102. de dx7300 Removal and Replacement Procedures Microtower MT Chassis c Ifremoving a PCI Express x16 card pull the retention arm on the back of the expansion socket away from the card and carefully rock the card back and forth until the connectors pull free from the socket Pull the expansion card straight up from the socket then away from the inside of the chassis to release it from the chassis frame Be sure not to scrape the card against the other components a 5 If not replacing the old expansion card with a new expansion card install an expansion slot cover to close the open slot Insert the metal slot cover in the opened slot and slide the slot cover lock down to secure the slot cover in place CAUTION After removing an expansion card you must replace it with a new card or expansion slot cover for proper cooling of internal components during operation Service Reference Guide dx7300 433611 001 6 15 Removal and Replacement Procedures Microtower MT Chassis 6 If replacing or adding a new expansion card hold the card just above the expansion slot on the system board then move the card toward the rear of the chassis O so that the bracket on the card is aligned with the open slot on the rear of the chassis Press the card straight down into the expansion slot on the system board When installing an expansion card press firmly on the card so that the whole connector seats properly in the expa
103. der Removable Media Boot is disabled in the Computer Setup utility Run the Computer Setup utility and enable booting to removable media in Storage gt Storage Options Ensure USB is enabled in Storage gt Boot Order The image on the device is not bootable Follow the procedures described in the ROM Flash Replicating the Setup Creating a Bootable Device Supported USB Flash Media Device section of the Service Reference Guide The computer boots to DOS after making a bootable Drive Key Drive Key is bootable Install the Drive Key after the operating system boots Service Reference Guide dx7300 433611 001 D 31 Troubleshooting Without Diagnostics Solving Front Panel Component Problems Solving Front Panel Component Problems Problem A USB device headphone or microphone is not recognized by the computer Cause It is not properly connected Solution 1 Turn off the computer 2 Reconnect the device to the front of the computer and restart the computer The device does not have power If the USB device requires AC power be sure one end is connected to the device and one end is connected to a live outlet The correct device driver is not installed 1 Install the correct driver for the device 2 You might need to reboot the computer The cable from the device to the computer does not work 1 If possible replace the cable 2 Re
104. diskette drives 3 Insert a bootable DOS diskette with FDISK COM and either SYS COM or FORMAT COM into a diskette drive and turn on the computer to boot to the DOS diskette 4 Run FDISK from the A prompt by typing FDISK and pressing Enter If prompted click Yes Y to enable large disk support 5 Enter Choice 5 to display the drives in the system The USB flash media device will be the drive that closely matches the size of one of the drives listed It will usually be the last drive in the list Note the letter of the drive USB flash media device drive CAUTION f a drive does not match the USB flash media device do not proceed Data loss can occur Check all USB ports for additional storage devices If any are found remove them reboot the computer and proceed from step 4 If none are found either the system does not support the USB flash media device or the USB flash media device is defective DO NOT proceed in attempting to make the USB flash media device bootable 6 Exit FDISK by pressing the Esc key to return to the A prompt 7 If your bootable DOS diskette contains SYS COM go to step 8 Otherwise go to step 9 8 At the A prompt enter SYS x where x represents the drive letter noted above ie CAUTION Be sure that you have entered the correct drive letter for the USB flash media device After the system files have been transferred SYS will return to the A prompt Go to step 13 9 Copy any fil
105. down directly against the front of the desktop unit as this also restricts airflow Occasionally clean the air vents on all vented sides of the computer Lint dust and other foreign matter can block the vents and limit the airflow Be sure to unplug the computer before cleaning the air vents Never operate the computer with the cover or side panel removed Do not stack computers on top of each other or place computers so near each other that they are subject to each other s re circulated or preheated air If the computer is to be operated within a separate enclosure intake and exhaust ventilation must be provided on the enclosure and the same operating guidelines listed above will still apply Keep liquids away from the computer and keyboard Never cover the ventilation slots on the monitor with any type of material Install or enable power management functions of the operating system or other software including sleep states 5 4 Routine Care 5 4 1 General Cleaning Safety Precautions 1 Never use solvents or flammable solutions to clean the computer 2 Never immerse any parts in water or cleaning solutions apply any liquids to a clean cloth and then use the cloth on the component 3 Always unplug the computer when cleaning with liquids or damp cloths Service Reference Guide dx7300 433611 001 5 5 Identifying the Chassis Routine Care and Disassembly Preparation 4 Always unplug the computer before clean
106. e Altiris Deployment Solution Agent 3 2 asset tracking 3 16 Boot Block Emergency Recovery Mode 3 10 Computer Setup Utilities 2 1 Drive Protection System 3 26 Fault Notification and Recovery 3 26 HP OpenView Client Configuration Manager 3 6 HP OpenView Management Solution 3 6 HP ProtectTools Security Manager 3 5 HP System Software Manager 3 4 HPQFlash 3 10 image deployment 3 1 Intel Active Management Technology 3 7 Proactive Change Notification PCN 3 8 recovery 3 1 Remote ROM BIOS Flash 3 9 Remote System Installation 3 3 Restore Plus CD 1 2 retired solutions 3 9 servicing computer 5 7 Subscriber s Choice 3 9 updating and management 3 3 spare part number tamper resistant wrench 5 7 Torx T 15 screwdriver 5 7 speaker MT removal and replacement 6 31 SFF removal and replacement 7 38 static electricity 5 3 Subscriber s Choice 3 9 surge tolerant power supply 3 26 system board MT removal and replacement 6 34 reference designators E 1 SATA connectors 4 1 SFF removal and replacement 7 42 T tamper proof screws SFF 7 3 tool 5 7 temperature control 5 5 thermal sensor 3 26 tools servicing 5 7 Torx T 15 screwdriver 5 7 troubleshooting D 1 to D 35 U unlocking Smart Cover Lock 3 25 USB pin assignments A 3 HP Backup and Recovery Manager 1 2 3 2 Vv HP Client Foundation Suite 3 5 ventilation proper 5 5 HP Client Manger 3 4 HP Client Premium Suite 3 5 Ww HP Insight Diagnostics 2 14 to 2 18 Wake on LAN feature D 24 Web
107. e and the computer beeps six times Beeps continue for five iterations after which the LED flashes will continue until the problem is resolved Pre video graphics error For systems with a graphics card 1 Reseat the graphics card Power on the system 2 Replace the graphics card 3 Replace the system board For systems with integrated graphics replace the system board 433611 001 Service Reference Guide dx7300 Troubleshooting Without Diagnostics Solving Display Problems Continued Problem Cause Solution Blank screen and the power LED flashes Red seven times once every second followed by a two second pause and the computer beeps seven times Beeps continue for five iterations after which the LED flashes will continue until the problem is resolved System board failure ROM detected failure prior to video Replace the system board Monitor does not function properly when used with energy saver features Monitor without energy saver capabilities is being used with energy saver features enabled Disable monitor energy saver feature Dim characters The brightness and contrast controls are not set properly Adjust the monitor brightness and contrast controls Cables are not properly connected Check that the graphics cable is securely connected to the graphics card and the monitor Blurry video or requested resolution cannot be set I
108. e Reference Guide dx7300 433611 001 5 1 Identifying the Chassis Routine Care and Disassembly Preparation 5 1 2 Slim Tower ST 5 2 433611 001 Service Reference Guide dx7300 Identifying the Chassis Routine Care and Disassembly Preparation 5 2 Electrostatic Discharge Information A sudden discharge of static electricity from your finger or other conductor can destroy static sensitive devices or microcircuitry Often the spark is neither felt nor heard but damage occurs An electronic device exposed to electrostatic discharge ESD may not appear to be affected at all and can work perfectly throughout a normal cycle The device may function normally for a while but it has been degraded in the internal layers reducing its life expectancy Networks built into many integrated circuits provide some protection but in many cases the discharge contains enough power to alter device parameters or melt silicon junctions 5 2 1 Generating Static The following table shows that EH Different activities generate different amounts of static electricity M Static electricity increases as humidity decreases Relative Humidity Event 55 40 10 Walking across carpet 7 500 V 15 000 V 35 000 V Walking across vinyl floor 3 000 V 5 000 V 12 000 V Motions of bench worker 400 V 800 V 6 000 V Removing DIPs from plastic tube 400 V 700 V 2 000 V Removing DIPs from vinyl tray 2 000 V 4 000 V 11 500 V Removing DIPs from Styro
109. e Windows Desktop click Start 2 Click Shut Down The Shut Down Windows dialog box is displayed 3 Select Shut down 4 After the shutdown is complete reconnect the keyboard to the back of the computer and restart the computer Program in use has stopped responding to commands Shut down the computer using the mouse and then restart the computer Keyboard needs repairs See the Worldwide Limited Warranty for terms and conditions Wireless device error 1 Check software if available for device status 2 Check replace device batteries 3 Reset receiver and keyboard Computer is in standby mode Press the power button to resume from standby mode When ering to resume from standby mode do not hold down the power utton for more than four seconds Otherwise the computer will shut down _ and any unsaved data will be lost Cursor will not move using The Num Lock key Press the Num Lock key The the arrow keys on the may be on Num Lock light should not be on if keypad you want to use the arrow keys The Num Lock key can be disabled or enabled in Computer Setup D 20 433611 001 Service Reference Guide dx7300 Troubleshooting Without Diagnostics Solving Keyboard and Mouse Problems Continued Problem Cause Solution Mouse does not respond to movement or is too slow Mouse connector is not properly plugged into the back of the computer 1
110. e at the other end are operating correctly Network controller interrupt is shared with an expansion board Under the Computer Setup Advanced menu change the resource settings for the board The network controller is defective Network drivers are not loaded or driver parameters do not match current configuration Replace the system board NIC is integral to the system board Make sure the network drivers are loaded and that the driver parameters match the configuration of the network controller Make sure the correct network client and protocol is installed The network controller is not configured for this computer Select the Network icon in the Control Panel and configure the network controller Network controller stopped working when an expansion board was added to the computer Network controller interrupt is shared with an expansion board Under the Computer Setup Advanced menu change the resource settings for the board The network controller requires drivers Verify that the drivers were not accidentally deleted when the drivers for a new expansion board were installed The expansion board installed is a network card NIC and conflicts with the embedded NIC Under the Computer Setup Advanced menu change the resource settings for the board Network controller stops working without apparent cause The files containing the network drivers are corrupted
111. e default Restore Factory Settings as Default Restores the factory system configuration settings as the default Apply Defaults and Exit Applies the currently selected default settings and clears any established passwords Ignore Changes and Exit Exits Computer Setup without applying or saving any changes Save Changes and Exit Saves changes to system configuration or default settings and exits Computer Setup Qy Support for specific Computer Setup options may vary depending on the hardware configuration 433611 001 Service Reference Guide dx7300 Setup Utilities and Diagnostics Features Heading Option Description Storage Device Configuration Lists all installed BIOS controlled storage devices When a device is selected detailed information and options are displayed The following options may be presented Diskette Type Legacy Diskettes only Identifies the highest capacity media type accepted by the diskette drive Options are 3 5 1 44 MB and 5 25 1 2 MB Drive Emulation Allows you to select a drive emulation type for a certain storage device For example a Zip drive can be made bootable by selecting diskette emulation Drive Type Emulation Options ATAPI Zip drive None treated as Other Diskette treated as diskette drive Hard disk None prevents BIOS data accesses and disables it as a boot device Hard disk treated as hard drive
112. e desired options and click Start to begin formatting the diskette Diskette is write protected Use another diskette or remove the write protection Writing to the wrong drive Check the drive letter in the path statement Not enough space is left on the diskette 1 Use another diskette 2 Delete unneeded files from diskette Legacy diskette writes are disabled in Computer Setup Enter Computer Setup and enable Legacy Diskette Write in Storage gt Storage Options Diskette is damaged Replace the damaged diskette Cannot format diskette Invalid media reported When formatting a disk in MS DOS you may need to specify diskette capacity For example to format a 1 44 MB diskette type the following command at the MS DOS prompt FORMAT A F 1440 Disk may be write protected Open the locking device on the diskette Service Reference Guide dx7300 433611 001 Troubleshooting Without Diagnostics Solving Diskette Problems Continued Problem Cause Solution Cannot format diskette continued A problem has occurred with a disk transaction Legacy diskette writes are disabled in Computer Setup The directory structure is bad or there is a problem with a file Enter Computer Setup and enable Legacy Diskette Write in Storage gt Storage Options In Windows XP right click Start click Explore and select a drive Select File g
113. e following utilities to manage security settings on the HP computer NW Locally using the Computer Setup Utilities See the Computer Setup F10 Utility Guide on the Documentation and Diagnostics CD included with the computer for additional information and instructions on using the Computer Setup Utilities Some computers also have HP BIOS Configuration for ProtectTools which is a Windows based component of ProtectTools that allows administrators to configure BIOS security settings from within the running OS E Remotely using HP Client Manager Software or System Software Manager This software enables the secure consistent deployment and control of security settings from a simple command line utility The following table and sections refer to managing security features of the computer locally through the Computer Setup F10 Utilities Security Features Overview Option Setup Password Description Allows you to set and enable setup administrator password If the setup password is set it is required to change Computer Setup options flash the ROM and make changes to certain plug and play settings under Windows Power On Password Password Options This selection will appear only if a power on password is set Pre Boot Authorization Allows you to set and enable power on password Allows you to specify whether the password is required for warm boot CTRL ALT DEL appears if a power on password is set
114. e partition is the largest segment of a drive that may be properly accessed by the operating system A single hard drive may therefore be subdivided into a number of unique drive partitions in order to make use of all of its space Because of the differences in the way that drive sizes are calculated the size reported by the operating system may differ from that marked on the hard drive or listed in the computer specification Drive size calculations by drive manufacturers are bytes to the base 10 while calculations by Microsoft are bytes to the base 2 Drive Partition Capacity Limits Maximum Size File Controller System Type Operating System Partition Drive FAT 32 ATA Windows 2000 XP 32 GB 2 TB NTFS ATA Windows NT 2000 XP 2 TB 2 TB Service Reference Guide dx7300 433611 001 4 3 Serial and Parallel ATA Drive Guidelines and Features 4 4 433611 001 Service Reference Guide dx7300 5 Identifying the Chassis Routine Care and Disassembly Preparation This chapter provides general service information for the computer Adherence to the procedures and precautions described in this chapter is essential for proper service CAUTION When the computer is plugged into an AC power source voltage is always applied to the system board You must disconnect the power cord from the power source before opening the computer to prevent system board or component damage 5 1 Chassis Designations 5 1 1 Microtower MT Servic
115. e primary hard drive you will need to run the Restore Plus CD to load the HP factory installed files CAUTION To prevent loss of work and damage to the computer or drive Mit you are inserting or removing a hard drive shut down the operating system properly then turn off the computer Do not remove a hard drive while the computer is on or in standby mode HM Before handling a drive ensure that you are discharged of static electricity While handling a drive avoid touching the connector Refer to Section 5 2 Electrostatic Discharge Information for more information about preventing electrostatic damage E Handle a drive carefully do not drop it Do not use excessive force when inserting a drive Avoid exposing a hard drive to liquids temperature extremes or products that have magnetic fields such as monitors or speakers 1 If you have locked the Smart Cover Lock use Computer Setup to unlock the lock Section 7 2 2 Prepare the computer for disassembly Section 7 1 3 Remove the computer cover Section 7 5 4 Rotate the drive cage to its upright position by pulling on the green tabbed lip Q It is not necessary to remove the drives from the drive cage Service Reference Guide dx7300 433611 001 7 29 Removal and Replacement Procedures Slim Tower ST Chassis 5 Remove the security clip that secures the backwall to the power supply 6 Rotate the power supply to its full upright posit
116. ed Reset the date and time under Control Panel Computer Setup can also be used If the problem persists replace the RTC battery CMOS jumper may not be properly installed Check for proper placement of the CMOS jumper if applicable 164 Memory Size Error Memory amount has changed since the last boot memory added or removed Press the F1 key to save the memory changes Memory configuration is incorrect 1 Run Computer Setup F10 Setup or Windows utilities 2 Make sure memory module s are installed properly 3 If third party memory has been added test using HP only memory 4 Verify proper memory module type 201 Memory Error RAM failure 1 Run Computer Setup F10 Setup or Windows utilities 2 Ensure memory modules are installed correctly 3 Verify proper memory module type 4 Remove and replace the identified faulty memory module s 5 If the error persists after replacing memory modules replace the system board 213 Incompatible memory Module in memory Socket s A memory module in memory socket identified in the error message is oH Verify proper memory module type 2 Try another memory socket 3 Replace memory with a module XX X issi itical SPD uE is conforming to the SPD standard incompatible with the chipset 214 DIMM Populated DIMM Rearrange the DIMMS so that each Configuration Warning configuration is not optimized ch
117. ed Parts We 7 33 7 13 Front VO DEVICES ee eee ieee Bi Aare A A i a VA ela LA eee 7 34 ACASO tcc Ae O Be ew eke eho tina E E tite doe Ras 7 35 TASPIOCESSOL o naati oo seven ia a iaa ee E on oko we Ua ese 7 36 LLO peak sys deacon BS prerani ardor 7 38 1A POWer SUpply a iis en etre bea iene wat a ENA ae ee Sha ee ans 7 39 Te tS Chassis Pany 2 6 coth A Be ated 741 7 19System Bor tio ii a a A A ee Oiled A A A 742 7 20Drive Clutch Components 0 0 0 cece eee cee cece nee T 7 45 7 21 Power Switch Assembly gt eii pan saa ged SEE Sed Hee ee REE Ee ee tees 7 47 TL D2ZBattery 3 oe ie Ph ya hy EO ees Sele ee a ee ea Se eee es 7 48 7 224 Type l Battery Holder 4 04 ir Whee eo eat IA ae A be des 7 49 7 22 2Type 2 Battery Holders occ heen Pb ee ee be ee d rioei er bed ee ee de 7 50 7122 3ype 3 Battery Holders vii dni doo olive elds wha act sae be Gees Gates 7 51 Connector Pin Assignments Power Cord Set Requirements POST Error Messages 0 A BD SF Troubleshooting Without Diagnostics E System Board and Riser Board Reference Designators F Memory Index vi 433611 001 Service Reference Guide dx7300 1 Installing the Operating System CAUTION Do not add optional hardware or third party devices to your computer until the operating system is successfully installed Doing so may cause errors and may prevent the operating system from installing properly Once the automatic installation has begun DO NOT TURN OFF THE COMPUTER UN
118. ed in this guide are available on all computers Preparation for Disassembly See Chapter 5 Identifying the Chassis Routine Care and Disassembly Preparation for initial safety procedures 1 Remove disengage any security devices that prohibit opening the computer Section 7 2 Unlocking the Smart Cover Lock and Section 7 4 External Security Devices 2 Close any open software applications 3 Exit the operating system 4 Remove any diskette or compact disc from the computer 5 Turn off the computer and any peripheral devices that are connected to it CAUTION Turn off the computer before disconnecting any cables CAUTION Regardless of the power on state voltage is always present on the system board as long as the system is plugged into an active AC outlet In some systems the cooling fan is on even when the computer is in the Standby or Suspend modes The power cord should always be disconnected before servicing a unit 6 Disconnect the power cord from the electrical outlet and then from the computer 7 Disconnect all peripheral device cables from the computer During disassembly label each cable as you remove it noting its position and routing Keep all screws with the units removed CAUTION The screws used in the computer are of different thread sizes and lengths using the wrong screw in an application may damage the unit Service Reference Guide dx7300 43
119. eee ence eee nee nes 7 3 PB SO A eat dae eed Gals ge hei ean baleen Pees GP ta Se Be aR 7 5 7 4 External Security Devices 0 0 cece een een e 7 6 TAL Security Clipse esccice renane oa ae PER AS Bee Peak Se OR ale eae Ae Ea 7 6 TAZ Cable Lock vii a Meg at date eh pay ds Bones ns 7 6 1438 Padlocil boost bead bea edad bean cholo ne Mika ened deg Abd 7 71 Service Reference Guide dx7300 433611 001 v Contents F3 Computer COVER id Caron koa Baha A wR anes caret ak hae 7 8 7 6 Front Drive Bezels 5 cic ced ese Seg ere ee ee ee ee ee ee eet eee 7 9 TT Cable Management 2 2 oi sdefs 3 eae ge es hae AG a ee de ee ae os 7 11 7 7 1 Cable Connections ea i enia ccc eect en ence ene E 7 12 SMED A be deena eae A oles 7 13 7 9 Vertically Oriented Expansion Card 2 0 ete e ene 7 14 7 9 1 Expansion Card Retainer 0 0 cece eee nee nee 7 14 19 2 PCL Expansion Card eri Cues sadn cl io Elda ada Shashi atts 7 15 7 9 3 PCI Express Expansion Card 0 0 0 ccc ccc een eee e nee 7 17 7 10PCI Riser Card Assembly and Backwall 0 0 0 cece eee ccc eee 7 18 VAT DIVES ci be eo goes DG eee hele Mad Rides eee haere 7 24 TAL AD ve Positions uri sa sh eg Se ee ba Ene PRT a oes be ate pee ee eas 7 24 FAL 2Optical Drive vu A ee ee a 7 25 11 3Ext mal 3 5 mch Drives 2 404404 A hd Aa ae Eda ee dO 7 27 7 11 4Primary Hard Drive e25 cee eg ek ogee ese ee a be ee 7 29 A ES ii u hen Sana e E E gn Ba ede erase alae 3h E SE ane ward ooh b
120. ents in the chassis when installing an expansion card 9 Rotate the slot cover retention latch back in place to secure the expansion card zB When you install an expansion card make sure the metal bracket on the card slides into the slot on the back of the computer then press down firmly on the card so that the whole connector seats properly in the expansion card slot CAUTION All expansion card slots on the rear of the computer must contain either an expansion card or slot cover for proper cooling of internal components during operation 7 16 433611 001 Service Reference Guide dx7300 Removal and Replacement Procedures Slim Tower ST Chassis 7 9 3 PCI Express Expansion Card To remove a PCI Express expansion card 1 If you have locked the Smart Cover Lock restart the computer and enter Computer Setup to unlock the lock Turn off the computer properly through the operating system then turn off any external devices Disconnect the power cord from the power outlet and disconnect any external devices 4 Remove the computer cover Section 7 5 5 Release the slot cover retention latch on the back of the computer that secures the PCI slot covers by lifting the green tab on the latch and rotating the latch to the open position Pull the retention arm on the back of the PCI Express expansion socket away from the card on x16 card socket only and carefully rock the card back and forth until
121. eplacement 7 29 SFF optical drive removal and replacement 7 25 SFF external removal and replacement 7 27 drive bezel MT 3 5 6 8 MT 5 25 6 7 SFF removal and replacement 7 9 drive bezel inserts SFF 7 10 drive key problem solving D 31 drive positions MT 6 17 SFF 7 24 Drivelock security 3 22 dual state power button 3 15 DVI pin assignments A 10 electrostatic discharge See ESD entering power on password 3 20 setup password 3 20 error messages POST C 1 to C 13 ESD electrostatic discharge materials and equipment 5 4 preventing damage 5 3 Ethernet AUI pin assignments A 2 BNC pin assignments A 1 RJ 45 pin assignments A 2 expansion card MT PCI Express socket removal and replacement 6 15 MT standard socket removal and replacement 6 14 SFF PCI Express removal and replacement 7 17 SFF removal and replacement 7 15 SFF retainer removal and replacement 7 14 expansion card retainer MT removal and replacement 6 13 expansion slot cover MT removal and replacement 6 14 SFF removal and replacement 7 15 external 3 5 inch drive SFF removal and replacement 7 27 external security MT 6 2 F FailSafe key 3 25 SFF 7 3 fan shroud SFF removal and replacement 7 33 fan chassis MT removal and replacement 6 23 fan power supply 5 7 Fault Notification and Recovery 3 26 fingerprint identification technology 3 26 flashing LEDs C 9 front bezel MT removal and replacement 6 5 front I O device SFF removal and replacement 7
122. er Setup options may vary depending on the hardware configuration Service Reference Guide dx7300 433611 001 2 13 Setup Utilities and Diagnostics Features Heading Option Description Advanced Device option e NIC PXE Option ROM Download enable disable The BIOS continued continued contains an embedded NIC option ROM to allow the unit to For boot through the network to a PXE server This is typically used advanced to download a corporate image to a hard drive The NIC users only option ROM takes up memory space below 1MB commonly referred to as DOS Compatibility Hole DCH space This space is limited This F10 option will allow users to disable the downloading of this embedded NIC option ROM thus giving more DCH space for additional PCI cards which may need option ROM space The default will be to have the NIC option ROM enabled Qy Support for specific Computer Setup options may vary depending on the hardware configuration 2 2 3 D S Recovering the Configuration Settings This method of recovery requires that you first perform the Save to Removable Media command with the Computer Setup F10 Utility before Restore is needed It is recommended that you save any modified computer configuration settings to a diskette a USB flash media device or a diskette like device a storage device set to emulate a diskette drive and save the diskette or device for possible future use To restore the configura
123. er for the application are not installed 1 Install the correct printer driver for the application 2 Try printing using the MS DOS command DIR C gt printer port where printer port is the address of the printer being used If the printer works reload the printer driver If you are on a network you may not have made the connection to the printer Make the proper network connections to the printer Printer may have failed Run printer self test Printer will not turn on The cables may not be connected properly Reconnect all cables and check the power cord and electrical outlet Printer prints garbled information The correct printer driver for the application is not installed Install the correct printer driver for the application The cables may not be connected properly Reconnect all cables Printer memory may be overloaded Reset the printer by turning it off for one minute then turn it back on Printer is offline The printer may be out of paper Check the paper tray and refill it if it is empty Select online Service Reference Guide dx7300 433611 001 D 19 Troubleshooting Without Diagnostics Solving Keyboard and Mouse Problems Solving Keyboard and Mouse Problems Problem Keyboard commands and typing are not recognized by the computer Cause Keyboard connector is not properly connected Solution 1 On th
124. er to be configured Insert the configuration diskette or USB flash media device and turn the computer on The configuration utility will run automatically 11 Restart the computer when the configuration is complete 3 12 433611 001 Service Reference Guide dx7300 Desktop Management Creating a Bootable Device Supported USB Flash Media Device Supported devices have a preinstalled image to simplify the process of making them bootable All HP or Compaq and most other USB flash media devices have this preinstalled image If the USB flash media device being used does not have this image use the procedure later in this section see Unsupported USB Flash Media Device To create a bootable USB flash media device you must have ME A supported USB flash media device m A bootable DOS diskette with the FDISK and SYS programs If SYS is not available FORMAT may be used but all existing files on the USB flash media device will be lost mA PC that is bootable from a USB flash media device CAUTION Some older PCs may not be bootable from a USB flash media device If the default boot order in the Computer Setup F10 Utility lists the USB device before the hard drive the computer can be booted from a USB flash media device Otherwise a bootable diskette must be used 1 Turn off the computer 2 Insert the USB flash media device into one of the computer s USB ports and remove all other USB storage devices except USB
125. ery pops up lift it out O 2 To insert the new battery slide one edge of the replacement battery under the holder s lip with the positive side up Push the other edge down until the clamp snaps over the other edge of the battery 3 Replace the computer cover or access panel Section 6 3 4 Plug in the computer and turn on power to the computer 5 Reset the date and time your passwords and any special system setups using Computer Setup Refer to the Computer Setup F10 Utility Guide Service Reference Guide dx7300 433611 001 6 37 Removal and Replacement Procedures Microtower MT Chassis 6 19 3 Type 3 Battery Holder 1 Pull back on the clip O that holds the battery in place then remove the battery 2 Insert the new battery and position the clip back in place 3 Replace the computer access panel Section 6 3 4 Plug in the computer and turn on power 5 Reset the date and time your passwords and any special system setups using Computer Setup Refer to the Computer Setup F10 Utility Guide 6 38 433611 001 Service Reference Guide dx7300 7 1 ZA A 7 Removal and Replacement Procedures Slim Tower ST Chassis Adherence to the procedures and precautions described in this chapter is essential for proper service After completing all necessary removal and replacement procedures run the Diagnostics utility to verify that all components operate properly Not all features list
126. es Microtower MT Chassis 6 9 3 Installing a Drive CAUTION To prevent loss of work and damage to the computer or drive Ifyou are inserting or removing a hard drive shut down the operating system properly then turn off the computer Do not remove a hard drive while the computer is on or in standby mode HM Before handling a drive ensure that you are discharged of static electricity While handling a drive avoid touching the connector Refer to Section 5 2 Electrostatic Discharge Information for more information about preventing electrostatic damage Handle a drive carefully do not drop it Do not use excessive force when inserting a drive MH Avoid exposing a hard drive to liquids temperature extremes or products that have magnetic fields such as monitors or speakers 1 Install four guide screws two on each side into the new drive The screws help guide the drive into its proper position in the bay 1 If this is a new installation guide screws are provided on the front of the chassis under the front bezel LY If this is a replacement drive use the screws removed from the old drive Q There are a total of eight extra guide screws on the front of the chassis Four have U S threads and four have metric threads Metric screws have a black finish U S threaded screws have a silver finish Make sure to install the appropriate guide screws into the drive 2 Align the guide screws with the guide s
127. es you want to keep from your USB flash media device to a temporary directory on another drive for example the system s internal hard drive Service Reference Guide dx7300 433611 001 3 13 Desktop Management 10 At the A prompt enter FORMAT S X where X represents the drive letter noted before A CAUTION Be sure that you have entered the correct drive letter for the USB flash media device FORMAT will display one or more warnings and ask you each time whether you want to proceed Enter Y each time FORMAT will format the USB flash media device add the system files and ask for a Volume Label 11 Press Enter for no label or enter one if desired 12 Copy any files you saved in step 9 back to your USB flash media device 13 Remove the diskette and reboot the computer The computer will boot to the USB flash media device as drive C zB The default boot order varies from computer to computer and it can be changed in the Computer Setup F10 Utility If you have used a DOS version from Windows 9x you may see a brief Windows logo screen If you do not want this screen add a zero length file named LOGO SYS to the root directory of the USB flash media device Return to Copying to Multiple Computers Unsupported USB Flash Media Device To create a bootable USB flash media device you must have E USB flash media device E Bootable DOS diskette with the FDISK and SYS programs If SYS is not available
128. et the device to Factory Settings e Enable disable power on authentication support some models Reset authentication credentials some models This feature is supported on some models only Device Security Enables disables serial ports parallel port all USB ports system audio network controllers some models SMBus controller some models and embedded security device some models Network Service Boot Enables disables the computer s ability to boot from an operating system installed on a network server Feature available on NIC models only the network controller must reside on the PCI bus or be embedded on the system board System IDs Allows you to set Asset tag 18 byte identifier and ownership Tag 80 byte identifier displayed during POST e Chassis serial number or Universal Unique Identifier UUID number The UUID can only be updated if the current chassis serial number is invalid These ID numbers are normally set in the factory and are used to uniquely identify the system e Keyboard locale setting for example English or German for System ID entry Drivelock Security Allows you to assign or modify a master or user password for hard drives When this feature is enabled the user is prompted to provide one of the Drivelock passwords during POST If neither is successfully entered the hard drive will remain inaccessible until one of the passwords is successfully provided during
129. etaining screws should be tightened in diagonally opposite pairs as in an X to evenly seat the heatsink on the processor This is especially important as the pins on the socket are very fragile and any damage to them may require replacing the system board 6 28 433611 001 Service Reference Guide dx7300 Removal and Replacement Procedures Microtower MT Chassis 6 15 Processor 1 Prepare the computer for disassembly Section 6 1 2 Remove the computer cover Section 6 3 3 Disconnect the heatsink control cable from the system board and remove the heatsink Section 6 14 4 Rotate the locking lever to its full open position O 5 Raise and rotate the microprocessor retainer to its fully open position 6 Carefully lift the processor from the socket CAUTION Do NOT handle the pins in the processor socket These pins are very fragile and handling them could cause irreparable damage Once pins are damaged it may be necessary to replace the system board CAUTION The heatsink must be installed within 24 hours of installing the processor to prevent damage to the processor s solder connections To install a new processor 1 Place the processor in its socket and close the retainer 2 Secure the locking lever If reusing the existing heatsink go to step 3 If using a new heatsink go to step 6 3 If reusing the existing heatsink clean the bottom of the heatsink with the alcohol pad provided in
130. f necessary Q If you do not press F10 at the appropriate time you must restart the computer and again press F10 when the monitor light turns green to access the utility 3 Select Security then Power On Password and follow the instructions on the screen 4 Before exiting select File gt Save Changes and Exit Entering a Power On Password To enter a power on password complete the following steps 1 Turn on or restart the computer If you are in Windows click Start gt Shut Down gt Restart 2 When the key icon appears on the monitor type the current password then press Enter Q Type carefully for security reasons the characters you type do not appear on the screen If you enter the password incorrectly a broken key icon appears Try again After three unsuccessful tries you must turn off the computer then turn it on again before you can continue Entering a Setup Password If the system is equipped with an embedded security device refer to the HP ProtectTools Security Manager Guide at www hp com If a setup password has been established on the computer you will be prompted to enter it each time you run Computer Setup 1 Turn on or restart the computer If you are in Windows click Start gt Shut Down gt Restart 2 As soon as the computer is turned on press F10 when the monitor light turns green to enter Computer Setup Press Enter to bypass the title screen if necessary Q If you do not press F1
131. f the graphics controller was upgraded the correct video drivers may not be loaded Install the video drivers included in the upgrade kit Monitor is not capable of displaying requested resolution Change requested resolution Graphics card is bad Replace the graphics card The picture is broken up rolls jitters or flashes The monitor connections may be incomplete or the monitor may be incorrectly adjusted 1 Be sure the monitor cable is securely connected to the computer 2 In a two monitor system or if another monitor is in close proximity be sure the monitors are not interfering with each other s electromagnetic field by moving them apart 3 Fluorescent lights or fans may be too close to the monitor Monitor needs to be degaussed Degauss the monitor Service Reference Guide dx7300 433611 001 Troubleshooting Without Diagnostics Solving Display Problems Continued Problem Cause Solution Image is not centered Position may need adjustment Press the Menu button to access the OSD menu Select ImageControl Horizontal Position or VerticalPosition to adjust the horizontal or vertical position of the image No Connection Check Signal Cable displays on screen Monitor video cable is disconnected Connect the video cable between the monitor and computer Ix Ensure the computer power is off while connecting the video cable
132. failure The error codes are defined in the Help tab E The Clear Error Log button will clear the contents of the Error Log 2 3 6 Help Tab The Help tab contains an HP Insight Diagnostics tab an Error Codes tab and a Test Components tab The HP Insight Diagnostics tab contains help topics and includes search and index features The Error Codes tab provides a description of each numerical error code that may appear in the Error Log tab located on the Log tab Each code has a corresponding error Message and a Recommended Repair action that should help solve the problem To find an error code description quickly enter the code in the box at the top of the tab and click the Find Error Codes button The Test Components tab displays low level information on tests that are run Service Reference Guide dx7300 433611 001 2 17 Setup Utilities and Diagnostics Features 2 3 7 Saving and Printing Information in HP Insight Diagnostics You can save the information displayed in the HP Insight Diagnostics Status and Log tabs to a diskette or a USB 2 0 HP Drive Key 64MB or higher You can not save to the hard drive The system will automatically create an html file that has the same appearance as the information displayed on the screen 1 Insert a diskette or USB 2 0 HP Drive Key capacity must be 64MB or higher USB 1 0 Drive Keys are not supported 2 Click Save in the bottom right corner of the tab 3 Select Save to the floppy or
133. foam 3 500 V 5 000 V 14 500 V Removing bubble pack from PCB 7 000 V 20 000 V 26 500 V Packing PCBs in foam lined box 5 000 V 11 000 V 21 000 V These are then multi packaged inside plastic tubes trays or Styrofoam Q 700 volts can degrade a product 5 2 2 Preventing Electrostatic Damage to Equipment Many electronic components are sensitive to ESD Circuitry design and structure determine the degree of sensitivity The following packaging and grounding precautions are necessary to prevent damage to electric components and accessories To avoid hand contact transport products in static safe containers such as tubes bags or boxes MH Protect all electrostatic parts and assemblies with conductive or approved containers or packaging Keep electrostatic sensitive parts in their containers until they arrive at static free stations Place items on a grounded surface before removing them from their container Always be properly grounded when touching a sensitive component or assembly Avoid contact with pins leads or circuitry Place reusable electrostatic sensitive parts from assemblies in protective packaging or conductive foam Service Reference Guide dx7300 433611 001 5 3 Identifying the Chassis Routine Care and Disassembly Preparation 5 2 3 Personal Grounding Methods and Equipment Use the following equipment to prevent static electricity damage to equipment E Wrist straps are flexible straps with a max
134. g creasing or pinching can damage cables 24 Replace the fan shroud on top of the fan 25 Replace the computer cover Service Reference Guide dx7300 433611 001 7 23 Removal and Replacement Procedures Slim Tower ST Chassis 7 1 Drives A Torx T 15 screwdriver is needed to remove and install the guide screws on a drive CAUTION Make sure personal files on the hard drive are backed up to an external storage device before removing the hard drive Failure to do so will result in data loss After replacing the primary hard drive you will need to run the Restore Plus CD to load the HP factory installed files 7 11 1 Drive Positions Drive Positions ltem Description ltem Description 0 3 5 inch internal standard hard 3 5 inch drive bay 1 44 MB diskette drive bay drive shown e 5 25 inch drive bay for optional drives A 3 5 inch diskette drive hard drive or media card reader may be installed in this bay but the correct bezel must be installed to ensure proper air flow To verify the type and size of the storage device installed in the computer run Computer Setup 7 24 433611 001 Service Reference Guide dx7300 Removal and Replacement Procedures Slim Tower ST Chassis 7 11 2 Optical Drive CAUTION All removable media should be taken out of the drives before removing the drive from the computer Q An optical drive is a CD ROM CD R RW DVD ROM DVD R RW or CD RW D
135. he access panel and rotate the computer so the system board is parallel to the table to make it easier to work on Section 6 3 3 Disconnect the power cable that connects the chassis fan to the system board O 4 Remove the four screws from the exterior rear of the chassis that secure the fan 5 Remove the fan from the chassis to Y ae Se SS PS S 0 e am ay of gt 4 i To install the chassis fan reverse the removal procedure Service Reference Guide dx7300 433611 001 6 23 Removal and Replacement Procedures Microtower MT Chassis 6 11 Front I O Panel Housing Assembly 1 Prepare the computer for disassembly Section 6 1 2 Remove the access panel and rotate the computer so the system board is parallel to the table to make it easier to work on Section 6 3 3 Disconnect three attaching cables from the system board the power switch LED cable the front USB cable and the front audio cable 4 Remove the two screws that secure the housing to the chassis then pull the housing away from the chassis La pal oo To install the housing assembly reverse the removal procedures 6 24 433611 001 Service Reference Guide dx7300 Removal and Replacement Procedures Microtower MT Chassis 6 12 Front I O Devices 1 Prepare the computer for disassembly Section 6 1 2 Remove the access panel and rotate the
136. he backwall of the chassis using the special security wrench and disconnect its cable from the system board Section 7 2 8 Disconnect the data and power cables from the system board 9 Disconnect the Serial A cable from the system board remove the two screws that secure the serial connector to the backwall then remove the serial connector 10 Remove the fan shroud by lifting it up and out Section 7 12 11 Remove the chassis fan Section 7 18 Service Reference Guide dx7300 433611 001 7 19 Removal and Replacement Procedures Slim Tower ST Chassis 12 Remove the long mounting screw that secures the system board tray to the chassis 13 Slide the system board tray assembly towards the front of the chassis about 6 cm 1 4 inch and lift the system board up and out of the chassis 7 20 433611 001 Service Reference Guide dx7300 Removal and Replacement Procedures Slim Tower ST Chassis 14 Remove the three screws that secure the backwall assembly to the chassis O then slide the backwall assembly a few millimeters inches toward the space vacated by the power supply and lift out 2 15 Slide the new backwall onto the rear chassis Secure it with the three screws removed from the old backwall Sa oc Service Reference Guide dx7300 433611 001 7 21 Removal and Replacement Procedures Slim Tower ST Chassis 16 Install the serial connector into the new back
137. he computer power OFF while the BIOS is saving the F10 Computer Setup changes because the CMOS could become corrupted It is safe to turn off all power to the computer only after exiting the F10 Setup screen Service Reference Guide dx7300 433611 001 2 3 Setup Utilities and Diagnostics Features 2 2 2 Computer Setup Menu Heading Option Description System Information Lists e Product name SKU number some models e Processor type speed stepping e Cache size L1 L2 dual core processors have this listed twice e Installed memory size speed and number of channels single or dual if applicable Integrated MAC address for embedded enabled NIC if applicable e System BIOS includes family name and version e Chassis serial number e Asset tracking number About Displays copyright notice Set Time and Date Allows you to set system time and date Flash System ROM some models Allows you to select a drive containing a new BIOS Replicated Setup Save to Removable Media Saves system configuration including CMOS to a formatted 1 44 MB diskette a USB flash media device or a diskette like device a storage device set to emulate a diskette drive Restore from Removable Media Restores system configuration from a diskette a USB flash media device or a diskette like device Default Setup Save Current Settings as Default Saves the current system configuration settings as th
138. he rotating drive cage Section 7 11 2 and Section 7 11 3 Remove the chassis fan Section 7 18 Remove the system board Section 7 19 Remove the drive ckutch base Section 7 20 Disconnect the power switch LED cable from the system board CoN Dn A U Ne Squeeze the switch holder retaining clips together at the front of the chassis O and push the switch assembly out of the chassis Push the two LEDs out of the chassis 9 If necessary the LED holders may also be removed by squeezing the clips and pushing them out of the front of the chassis To install the power switch and LEDs reverse the removal procedure Service Reference Guide dx7300 433611 001 7 47 Removal and Replacement Procedures Slim Tower ST Chassis 7 22 gt Y Battery The battery that comes with this computer provides power to the real time clock and has a lifetime of about three years When replacing the battery use a battery equivalent to the battery originally installed on the computer The computer comes with a 3 volt lithium coin cell battery The lifetime of the lithium battery can be extended by plugging the computer into a live AC wall socket The lithium battery is only used when the computer is NOT connected to AC power WARNING This computer contains an internal lithium manganese dioxide battery There is a risk of fire and burns if the battery is not handled properly To reduce the risk of personal injury
139. iagnostics component information Storage Shows information about storage media connected to the computer This list includes all fixed disks diskette drives and optical drives System Shows information about the system board processor chassis and BIOS plus internal speaker and PCI bus information 2 3 3 Test Tab The Test tab allows you to choose various parts of the system to test You can also choose the type of test and testing mode There are three types of tests to choose from E Quick Test Provides a predetermined script where a sample of each hardware component is exercised and requires no user intervention in either Unattended or Interactive mode E Complete Test Provides a predetermined script where each hardware component is fully tested There are more tests available in the Interactive mode but these require user intervention E Custom Test Provides the most flexibility in controlling the testing of a system The Custom Test mode allows you to specifically select which devices tests and test parameters are run There are two test modes to choose from E Interactive Mode Provides maximum control over the testing process The diagnostic software will prompt you for input during tests that require your interaction You may also determine whether the test passed or failed E Unattended Mode Does not display prompts and requires no interaction If errors are found they are displayed when testing is co
140. ially games are stressful on the graphics subsystem 1 Lower the display resolution for the current application or consult the documentation that came with the application for suggestions on how to improve performance by adjusting parameters in the application 2 Add more memory 3 Upgrade the graphics solution Cause unknown Restart the computer Service Reference Guide dx7300 433611 001 D 3 Troubleshooting Without Diagnostics Solving Minor Problems Continued Problem Cause Possible Solution Computer powered off automatically and the Power LED flashes Red two times once every second followed by a two second pause and the computer beeps two times Beeps continue for five iterations after which the LED flashes will continue until the problem is resolved System does not power on and the LEDs on the front of the computer are not flashing Processor thermal protection activated A fan may be blocked or not turning OR The heatsink is not properly attached to the processor System unable to power on 1 Ensure computer air vents are not blocked and the cooling fan is running 2 Open hood press power button and see if the processor fan spins If not spinning make sure the fan s cable is plugged onto the system board header 3 Replace the processor heatsink fan assembly Press and hold the power button for less than 4 seconds If the hard drive
141. igned You will need to reassign the IRQ later Exit setup confirming the changes SATA IRQ 7 Insert a bootable DOS diskette with FDISK COM and either SYS COM or FORMAT COM into a diskette drive and turn on the computer to boot to the DOS diskette 8 Run FDISK and delete any existing partitions on the USB flash media device Create a new partition and mark it active Exit FDISK by pressing the Esc key 9 If the system did not automatically restart when exiting FDISK press Ctrl Alt Del to reboot to the DOS diskette 10 At the A prompt type FORMAT C S and press Enter Format will format the USB flash media device add the system files and ask for a Volume Label 11 Press Enter for no label or enter one if desired 12 Turn off the computer and unplug the power cord Open the computer and re install any PCI cards that were previously removed Close the computer cover 13 Plug in the power cord remove the diskette and turn on the computer 14 As soon as the computer is turned on press F10 when the monitor light turns green to enter Computer Setup Press Enter to bypass the title screen if necessary 15 Go to Advanced gt PCI Devices and re enable the PATA and SATA controllers that were disabled in step 6 Put the SATA controller on its original IRQ 16 Save the changes and exit The computer will boot to the USB flash media device as drive C Q The default boot order varies from computer to computer and it can be
142. ility launches with the Survey tab displayed 2 3 2 Survey Tab The Survey tab displays important system configuration information In the View section on the left side of the screen you can select the Summary view to see limited configuration data or select the Advanced view to see all the data in the selected category Regardless of whether you choose Advanced or Summary the following categories of information are available on the Survey tab All Gives a listing of all categories of information about the computer Overview Gives you a listing of general information about the computer Architecture Provides system BIOS and PCI device information Asset Control Shows asset tag system serial number and processor information Communication Shows information about the computer parallel LPT and serial COM port settings plus USB and network controller information Graphics Shows information about the graphics controller of the computer Input Devices Shows information about the keyboard mouse and other input devices connected to the computer Memory Shows information about all memory in the computer This includes memory slots on the system board and any memory modules installed Service Reference Guide dx7300 433611 001 2 15 Setup Utilities and Diagnostics Features Miscellaneous Shows information obtained from the computer configuration memory CMOS system management BIOS data system board data and d
143. imum of one megohm 10 resistance in the ground cords To provide proper ground a strap must be worn snug against bare skin The ground cord must be connected and fit snugly into the banana plug connector on the grounding mat or workstation E Heel straps Toe straps Boot straps can be used at standing workstations and are compatible with most types of shoes or boots On conductive floors or dissipative floor mats use them on both feet with a maximum of one megohm 10 resistance between the operator and ground Static Shielding Protection Levels Method Voltage Antistatic plastic 1 500 Carbon loaded plastic 7 500 Metallized laminate 15 000 5 2 4 Grounding the Work Area 5 2 5 To prevent static damage at the work area use the following precautions E Cover the work surface with approved static dissipative material Provide a wrist strap connected to the work surface and properly grounded tools and equipment E Use static dissipative mats foot straps or air ionizers to give added protection E Handle electrostatic sensitive components parts and assemblies by the case or PCB laminate Handle them only at static free work areas E Turn off power and input signals before inserting and removing connectors or test equipment E Use fixtures made of static safe materials when fixtures must directly contact dissipative surfaces E Keep work area free of nonconductive materials such as ordinary plastic assembly aids and Sty
144. in the computer are not interchangeable They may have standard or metric threads and may be of different lengths If an incorrect screw is used during the reassembly process it can damage the unit HP strongly recommends that all screws removed during disassembly be kept with the part that was removed then returned to their proper locations Metric screws have a black finish U S screws have a silver finish and are used on hard drives only As each subassembly is removed from the computer it should be placed away from the work area to prevent damage Cables and Connectors Most cables used throughout the unit are flat flexible cables These cables must be handled with care to avoid damage Apply only the tension required to seat or unseat the cables during insertion or removal from the connector Handle cables by the connector whenever possible In all cases avoid bending or twisting the cables and ensure that the cables are routed in such a way that they cannot be caught or snagged by parts being removed or replaced CAUTION When servicing this computer ensure that cables are placed in their proper location during the reassembly process Improper cable placement can damage the computer Hard Drives Handle hard drives as delicate precision components avoiding all physical shock and vibration This applies to failed drives as well as replacement spares E Ifa drive must be mailed place the drive in a bubble pack mai
145. ing the keyboard mouse or air vents 5 Disconnect the keyboard before cleaning it 6 Wear safety glasses equipped with side shields when cleaning the keyboard 5 4 2 Cleaning the Computer Case Follow all safety precautions in Section 5 4 1 before cleaning the computer To clean the computer case follow the procedures described below To remove light stains or dirt use plain water with a clean lint free cloth or swab For stronger stains use a mild dishwashing liquid diluted with water Rinse well by wiping it with a cloth or swab dampened with clear water For stubborn stains use isopropyl rubbing alcohol No rinsing is needed as the alcohol will evaporate quickly and not leave a residue After cleaning always wipe the unit with a clean lint free cloth Occasionally clean the air vents on the computer Lint and other foreign matter can block the vents and limit the airflow 5 4 3 Cleaning the Keyboard Follow all safety precautions in Section 5 4 1 before cleaning the keyboard To clean the tops of the keys or the keyboard body follow the procedures described in Section 5 4 2 When cleaning debris from under the keys review all rules in Section 5 4 1 before following these procedures CAUTION Use safety glasses equipped with side shields before attempting to clean debris from under the keys E Visible debris underneath or between the keys may be removed by vacuuming or shaking E Canned pressurized
146. ins 4 Clear CMOS If the message disappears there may be a problem with the expansion card 6 Replace the system board 103 System Board DMA or timers 1 Clear CMOS Failure 2 Remove expansion boards 3 Replace the system board 110 Out of Memory Recently added PCI 1 If a PCI expansion card was recently Space for Option expansion card contains added remove it to see if the ROMs an option ROM too large problem remains oe during 2 In Computer Setup set Advanced gt Device Options gt NIC PXE Option ROM Download to Disable to prevent PXE option ROM for the internal NIC from being downloaded during POST to free more memory for an expansion card s option ROM Internal PXE option ROM is used for booting from the NIC to a PXE server Ensure that the ACPI USB Buffers E Top of Memory setting in Computer Setup is enabled Service Reference Guide dx7300 433611 001 POST Error Messages POST Error Messages Continued Screen Message 162 System Options Not Set Probable Cause Configuration incorrect RTC real time clock battery may need to be replaced Recommended Action Run Computer Setup and check configuration in Advanced gt Onboard Devices Reset the date and time under Control Panel If the problem persists replace the RTC battery 163 Time amp Date Not Set Invalid time or date in configuration memory RTC real time clock battery may need to be replac
147. installed 2 The power cord set must have a minimum current capacity of 10A 7A Japan only and a nominal voltage rating of 125 or 250 volts AC as required by each country s power system 3 The diameter of the wire must be a minimum of 0 75 mm or 18AWG and the length of the cord must be between 1 8 m 6 feet and 3 6 m 12 feet The power cord should be routed so that it is not likely to be walked on or pinched by items placed upon it or against it Particular attention should be paid to the plug electrical outlet and the point where the cord exits from the product WARNING Do not operate this product with a damaged power cord set If the power cord set is damaged in any manner replace it immediately Japanese Power Cord Requirements For use in Japan use only the power cord received with this product IS CAUTION Do not use the power cord received with this product on any other products Service Reference Guide dx7300 433611 001 B 1 Power Cord Set Requirements Country Specific Requirements Additional requirements specific to a country are shown in parentheses and explained below Accrediting Accrediting Country Agency Country Agency Australia 1 EANSW Italy 1 IMQ Austria 1 OVE Japan 3 METI Belgium 1 CEBC Norway 1 NEMKO Canada 2 CSA Sweden 1 SEMKO Denmark 1 DEMKO Switzerland 1 SEV Finland 1 SETI United Kingdom 1 BSI France 1 UTE United States 2 UL Germany 1
148. ion 7 30 433611 001 Service Reference Guide dx7300 Removal and Replacement Procedures Slim Tower ST Chassis 7 Disconnect the power and data cables from the back of the hard drive 8 Pull the tab that locks the drive in place away from the drive slide the hard drive toward the front of the computer then lift it up and out of the bay To install a hard drive reverse the above procedure Q The replacement hard drive kit includes several data cables Make sure to use the cable that is exactly the same as the factory installed cable Q If the system has only one SATA hard drive the data cable must be connected to the dark blue connector labeled SATAO first to avoid any hard drive performance problems Service Reference Guide dx7300 433611 001 7 31 Removal and Replacement Procedures Slim Tower ST Chassis Q When replacing the hard drive transfer the four screws from the old drive to the new one The screws take the place of drive rails You will need a Torx T 15 screwdriver to remove and re install the guide screws HP has provided four extra 6 32 standard guide screws on the front of the chassis under the computer cover The 6 32 standard guide screws are silver and are used only for the hard drive If you replaced the primary hard drive insert the Restore Plus CD to restore the operating system software drivers and any software applications that were preinstalled on the
149. isconnect the heatsink control cable from the system board and remove the heatsink Section 7 14 Rotate the locking lever to its full open position O Nn 6 Raise and rotate the microprocessor retainer to its fully open position 7 Carefully lift the processor from the socket CAUTION Do NOT handle the pins in the processor socket These pins are very fragile and handling them could cause irreparable damage Once pins are damaged it may be necessary to replace the system board CAUTION The heatsink must be installed within 24 hours of installing the processor to prevent damage to the processor s solder connections To install a new processor 1 Place the processor in its socket and close the retainer 2 Secure the locking lever If reusing the existing heatsink go to step 3 If using a new heatsink go to step 6 7 36 433611 001 Service Reference Guide dx7300 Removal and Replacement Procedures Slim Tower ST Chassis 3 If reusing the existing heatsink clean the bottom of the heatsink with the alcohol pad provided in the spares kit CAUTION Before reinstalling the heatsink you must clean the top of the processor and the bottom of the heatsink with an alcohol pad supplied in the spares kit After the alcohol has evaporated apply thermal grease to the top of the processor from the syringe supplied in the spares kit 4 Apply the thermal grease provided in the spares kit to the to
150. istrators are able to restrict users from enabling DriveLock Service Reference Guide dx7300 433611 001 3 23 Desktop Management 3 5 5 Smart Cover Sensor Cover Removal Sensor available on some models is a combination of hardware and software technology that can alert you when the computer cover or side panel has been removed There are three levels of protection as described in the following table Smart Cover Sensor Protection Levels Level Setting Description Level O Disabled Smart Cover Sensor is disabled default Level 1 Notify User When the computer is restarted the screen displays a message indicating that the computer cover or side panel has been removed Level 2 Setup Password When the computer is restarted the screen displays a message indicating that the computer cover or side panel has been removed You must enter the setup password to continue These settings can be changed using Computer Setup For more information about Computer Setup see the Computer Setup F10 Utility Guide Setting the Smart Cover Sensor Protection Level To set the Smart Cover Sensor protection level complete the following steps 1 Turn on or restart the computer If you are in Windows click Start gt Shut Down gt Restart 2 As soon as the computer is turned on press F10 when the monitor light turns green to enter Computer Setup Press Enter to bypass the title screen if necessary Q If you do not press F10 a
151. ith another device Enter Computer Setup and reset the IRQ in Advanced gt Onboard Devices 1203 Game Port Address Conflict Detected Device IRQ address conflicts with another device Enter Computer Setup and reset the IRQ in Advanced gt Onboard Devices Service Reference Guide dx7300 433611 001 CES POST Error Messages POST Error Messages Continued Screen Message Probable Cause Recommended Action 1720 SMART Hard Drive Detects Imminent Failure Hard drive is about to fail Some hard drives have a firmware patch that will fix an erroneous error message 1 Determine if hard drive is giving correct error message Enter Computer Setup and run the Drive Protection System test under Storage gt DPS Self test 2 Apply firmware patch if applicable available at www hp com support 3 Back up contents and replace hard drive 1796 SATA Cabling Error One or more SATA devices are improperly attached For optimal performance the SATA O and SATA 1 connectors must be used before SATA 2 and SATA 3 Ensure SATA connectors are used in ascending order For one device use SATA 0 For two devices use SATA O and SATA 1 For three devices use SATA O SATA1 and SATA 2 1797 SATA Drivelock is not supported in RAID mode Drivelock is enabled on one or more SATA hard drives and they cannot be accessed while the system is configured for RAID mode Either remove
152. ither of these operating systems in AHCI mode without the required device driver the system will crash blue screen SATA 0 and 2 Allows you to enable or disable DOS and boot accesses to the Primary channel of the first SATA controller This feature only applies when SATA emulation IDE Advanced operating systems like Windows may reenable the channel SATA 1 and 3 Allows you to enable or disable DOS and boot accesses to the Secondary channel of the first SATA controller This feature only applies when SATA emulation IDE Advanced operating systems like Windows may reenable the channel D DPS Self Test Allows you to execute self tests on ATA hard drives capable of performing the Drive Protection System DPS self tests This selection will only appear when at least one drive capable of performing the DPS self tests is attached to the system Qy Support for specific Computer Setup options may vary depending on the hardware configuration Service Reference Guide dx7300 433611 001 2 7 Setup Utilities and Diagnostics Features Heading Storage continued Option Boot Order Description Allows you to e Specify the order in which attached devices such as a USB flash media device diskette drive hard drive optical drive or network interface card are checked for a bootable operating system image Each device on the list may be individually excluded from or included for consideration as a
153. ity and enable the hard drive entry in the Storage gt Boot Order list Bootable hard drive is not attached as first in a multi hard drive configuration If attempting to boot from a hard drive ensure it is attached to system board connector labeled P60 SATA 0 Bootable hard drive s controller is not listed first in the Boot Order Run the Computer Setup utility and select Storage gt Boot Order and ensure the bootable hard drive s controller is listed immediately under the Hard Drive entry Computer will not boot from hard drive The device is attached to a SATA port that has been disabled in Computer Setup Run the Computer Setup utility and ensure the device s SATA port is enabled in Storage gt Storage Options Boot order is not correct Run the Computer Setup utility and change boot sequence in Storage gt Boot Order Hard Drive s Emulation Type is set to None Run the Computer Setup utility and change the Emulation Type to Hard Disk in the device s details under Storage gt Device Configuration D 10 433611 001 Service Reference Guide dx7300 Troubleshooting Without Diagnostics Solving Hard Drive Problems Continued Problem Cause Solution Computer will not boot from hard drive continued The device is attached to a SATA port that has been disabled in Computer Setup Run the Computer Setup utility and ens
154. lear the lip on the top of the chassis then lift the speaker up and out of the chassis To install the speaker reverse the removal procedures 7 38 433611 001 Service Reference Guide dx7300 Removal and Replacement Procedures Slim Tower ST Chassis 7 17 Power Supply WARNING Voltage is always present on the system board when the computer is plugged into an active AC outlet To avoid possible personal injury and damage to the equipment the power cord should be disconnected from the computer and or the AC outlet before opening the computer 1 Prepare the computer for disassembly Section 7 1 2 Remove the computer cover Section 7 5 3 Remove the security clip 4 Rotate the drive cage up and disconnect the power cables from all of the drives 5 Disconnect the power cables from the system board 6 Release the power supply cable from the cable retaining clips on the bottom of the chassis under the drive cage 7 Disconnect the hood sensor from the system board and remove the sensor from the power supply if required Section 7 3 Service Reference Guide dx7300 433611 001 7 39 Removal and Replacement Procedures Slim Tower ST Chassis 8 Rotate the power supply to its full upright position then lift the power supply straight up and out of the chassis To install the power supply reverse the removal procedure CAUTION When installing the power supply cables make sure they
155. ler or other suitable protective packaging and label the package Fragile Handle With Care E Do not remove hard drives from the shipping package for storage Keep hard drives in their protective packaging until they are actually mounted in the CPU E Avoid dropping drives from any height onto any surface E If you are inserting or removing a hard drive turn off the computer Do not remove a hard drive while the computer is on or in standby mode E Before handling a drive ensure that you are discharged of static electricity While handling a drive avoid touching the connector For more information about preventing electrostatic damage refer to Section 5 2 Electrostatic Discharge Information E Do not use excessive force when inserting a drive E Avoid exposing a hard drive to liquids temperature extremes or products that have magnetic fields such as monitors or speakers 433611 001 Service Reference Guide dx7300 Identifying the Chassis Routine Care and Disassembly Preparation 5 5 6 Lithium Coin Cell Battery The battery that comes with the computer provides power to the real time clock and has a minimum lifetime of about three years See the appropriate removal and replacement chapter for the chassis you are working on in this guide for instructions on the replacement procedures A WARNING This computer contains a lithium battery There is a risk of fire and chemical burn if the battery is handled imp
156. lider to Good and retest the audio 5 Set the Hardware acceleration slider to Full and the Sample rate conversion quality slider to Best and retest the audio Sound does not come out of the speaker or headphones Software volume control is turned down Double click the Speaker icon on the taskbar then make sure that Mute is not selected and use the volume slider to adjust the volume Audio is hidden in Computer Setup Enable the audio in Computer Setup Security gt Device Security gt Audio The external speakers are not turned on Turn on the external speakers Service Reference Guide dx7300 433611 001 Troubleshooting Without Diagnostics Solving Audio Problems Continued Problem Cause Solution Sound does not come out of the speaker or headphones continued External speakers plugged into the wrong audio jack Digital CD audio is not enabled See the sound card documentation for proper speaker connection Enable digital CD audio 1 From the Control Panel select System 2 On the Hardware tab click the Device Manager button 3 Right click on the CD DVD device and select Properties 4 On the Properties tab make sure Enable digital CD audio for this CD ROM device is checked Headphones or devices connected to the line out connector mute the internal speaker Turn on and use headphones or external speakers if connected or discon
157. lient Configuration Manager and HP OpenView PC Configuration Management Solutions Radia is pre loaded on the computer When installed it enables communication with the HP OpenView management console To install the Radia Management Agent 1 Click Start 2 Click All Programs 3 Click HP Manageability 4 Click Radia Management Agent Readme 5 Review and follow the instructions contained in the Readme file to install the Radia Management Agent 3 1 2 Altiris Deployment Solution Agent This program is pre loaded on the computer When installed it enables communication with the administrator Deployment Solution console To install Altiris Deployment Solution Agent 1 Click Start 2 Click All Programs 3 Click Software Setup 4 Click Next 5 Scroll down and click on the link to install Altiris AClient 3 1 3 HP Backup and Recovery Manager HP Backup and Recovery Manager can create the Restore Plus CD set This set includes the Restore Plus CD the Operating system CD and any Supplemental Software CDs CAUTION The Restore Plus CD set will not include and system settings or user data created after the initial system setup To create the Restore Plus CD set 1 Click Start gt HP Backup and Recovery gt HP Backup and Recovery Manager to open the Backup and Recovery Wizard then click Next 2 Select Create factory software recovery CDs or DVDs to recover the system 3 Follow the instructions in the wizard
158. ll run as single channel In any mode the maximum operational speed is determined by the slowest DIMM in the system 433611 001 Service Reference Guide dx7300 4 pin power pin assignments A 6 24 pin MicroFit power pin assignments A 6 24 pin power pin assignments A 6 6 pin power pin assignments A 7 A access panel MT removal and replacement 6 4 Active Management Technology 3 7 adding devices 1 1 Altiris Deployment Solution Agent 3 2 asset tracking 3 16 ATA ATAPI IDE drive cable pin assignments A 5 B Backup and Recovery Manager 1 2 backwall SFF removal and replacement 7 18 battery disposal 5 9 MT removal and replacement 6 35 SFF removal and replacement 7 48 bezel insert MT removal and replacement 6 8 bezel insert SFF removal and replacement 7 9 blank screen D 13 Boot Block Emergency Recovery Mode 3 10 C cable MT removal and replacement 6 18 proper handling 5 8 cable connections SFF 7 12 cable lock 3 25 MT 6 2 SFF 7 6 cable management MT 6 9 SFF 7 11 cable pinouts SATA data 4 2 SATA power 4 2 Index cautions AC power 5 1 adding devices 1 1 cables 5 8 cooling fan 5 7 cover lock security 3 24 electrostatic discharge 5 3 FailSafe Key 3 25 keyboard cleaning 5 6 keyboard keys 5 6 operating system installation 1 1 protecting ROM BIOS 3 9 CD ROM connector pin assignments A 5 change notification PCN 3 8 changing password 3 21 chassis CMT illustrated 5 1 SFF illustrated
159. lots then slide the drive into the drive bay making sure it is fully seated 6 20 433611 001 Service Reference Guide dx7300 Removal and Replacement Procedures Microtower MT Chassis 3 Reconnect the power and data cables to the drive as shown in the following illustrations Q Refer to Chapter 4 Serial and Parallel ATA Drive Guidelines and Features for information on attaching the cabling to get optimum performance Connecting Optical or Hard Drive Cables Q Some products use straight cable connectors while others use right angle connectors Connecting Diskette Drive Cables Service Reference Guide dx7300 433611 001 6 21 Removal and Replacement Procedures Microtower MT Chassis 4 Install the front bezel Section 6 4 5 Install the access panel Section 6 3 6 Turn on the computer Q If you replaced the primary hard drive the Restore Plus CD may be used to restore the operating system software drivers and or any software applications that were preinstalled on the computer Follow the instructions in the guide included with the Restore Plus CD When the restore process has completed reinstall any personal files that were backed up before replacing the hard drive 6 22 433611 001 Service Reference Guide dx7300 Removal and Replacement Procedures Microtower MT Chassis 6 10 Chassis Fan 1 Prepare the computer for disassembly Section 6 1 2 Remove t
160. ly and securely connected and that pins in the cable or connector are not bent down Power switch of new external device is not turned on Turn off the computer turn on the external device then turn on the computer to integrate the device with the computer system When the system advised you of changes to the configuration you did not accept them Reboot the computer and follow the instructions for accepting the changes A plug and play board may not automatically configure when added if the default configuration conflicts with other devices Use Windows XP Device Manager to deselect the automatic settings for the board and choose a basic configuration that does not cause a resource conflict You can also use Computer Setup to reconfigure or disable devices to resolve the resource conflict USB ports on the computer are disabled in Computer Setup Enter Computer Setup F10 and enable the USB ports 433611 001 Service Reference Guide dx7300 Troubleshooting Without Diagnostics Solving Hardware Installation Problems Continued Problem Cause Solution Computer will not start Wrong memory modules were used in the upgrade or memory modules were installed in the wrong location 1 Review the documentation that came with the system to determine if you are using the correct memory modules and to verify the proper installation DIMM 1 must always be installed
161. may also be changed using the Security options in Computer Setup Service Reference Guide dx7300 433611 001 3 21 Desktop Management National Keyboard Delimiter Characters Each keyboard is designed to meet country specific requirements The syntax and keys that you use for changing or deleting your password depend on the keyboard that came with your computer National Keyboard Delimiter Characters Arabic Greek a Russian Belgian Hebrew A Slovakian BHCSY Hungarian Spanish Brazilian Italian Swedish Finnish Chinese Japanese Swiss Czech Korean Z Taiwanese f Danish Latin American Thai French Norwegian Turkish French Canadian Polish U S English German Portuguese For Bosnia Herzegovina Croatia Slovenia and Yugoslavia Clearing Passwords If you forget the password you cannot access the computer Refer to the Troubleshooting Guide on the Documentation and Diagnostics CD for instructions on clearing passwords If the system is equiped with an embedded security device refer to the HP ProtectTools Security Manager Guide at www hp com 3 5 4 DriveLock DriveLock is an industry standard security feature that prevents unauthorized access to the data on ATA hard drives DriveLock has been implemented as an extension to Computer Setup It is only available when hard drives that support the ATA Security command set are detected DriveLock is intended for HP customers
162. mmended Action None Green Power LED flashes every two seconds None Computer in Suspend to RAM mode some models only or normal Suspend mode None required Press any key or move the mouse to wake the computer Red Power LED flashes two times once every second followed by a two second pause Beeps stop after fifth iteration but LEDs continue until problem is solved Processor thermal protection activated A fan may be blocked or not turning OR The heatsink fan assembly is not properly attached to the processor 1 Ensure that the computer air vents are not blocked and the processor cooling fan is running 2 Open hood press power button and see if the processor fan spins If the processor fan is not spinning make sure the fan s cable is plugged onto the system board header 3 If fan is plugged in but is not spinning then replace heatsink fan assembly Service Reference Guide dx7300 433611 001 POST Error Messages POST Diagnostic Front Panel LEDs and Audible Codes Continued Activity Beeps Possible Cause Recommended Action Red Power LED 3 Processor not 1 Check to see that the processor is flashes three times installed not an present once every indicator of bad 2 Reseat the processor second followed processor by a two second pause Beeps stop after fifth iteration but LEDs continue until problem is solved Red Power LED 4 Power failure 1
163. moval and Replacement Procedures Slim Tower ST Chassis 9 Disconnect the serial port from the system board 10 Disconnect the balance of the cables from the system board 11 Remove the long mounting screw that secures the system board tray to the chassis Service Reference Guide dx7300 433611 001 7 43 Removal and Replacement Procedures Slim Tower ST Chassis 12 Slide the system board tray assembly towards the front of the chassis about 6 mm 1 4 inch and lift the system board up and out of the chassis 13 Remove the heatsink from the system board and the system board tray Section 7 14 To install the system board reverse the removal procedure The heatsink should be installed on the system board before the system board is reinstalled in the chassis CAUTION Before reinstalling the heatsink you must clean the top of the processor and the bottom of the heatsink with an alcohol pad supplied in the spares kit After the alcohol has evaporated apply thermal grease to the top of the processor from the syringe supplied in the spares kit Q When reinstalling the system board it is important to secure the system board and tray to the chassis with the long retaining screw before performing any subsequent steps CAUTION When reconnecting the cables it is important that they be positioned so they do not interfere with the rotation of the drive cage or power supply 7 44 433611 00
164. move the computer cover Section 7 5 3 Remove the fan shroud Section 7 12 4 Disconnect the fan control cable from the system board 5 Loosen the four captive screws that secure the heatsink to the system board tray CAUTION Heatsink retaining screws should be removed in diagonally opposite pairs as in an X to even the downward forces on the processor This is especially important as the pins on the socket are very fragile and any damage to them may require replacing the system board 6 Lift the heatsink from atop the processor and set it on its side to keep from contaminating the work area with thermal grease When reinstalling the heatsink make sure that its bottom has been cleaned with an alcohol wipe and fresh thermal grease has been applied to the top of the processor CAUTION Heatsink retaining screws should be tightened in diagonally opposite pairs as in an X to evenly seat the heatsink on the processor This is especially important as the pins on the socket are very fragile and any damage to them may require replacing the system board a CAUTION Failure to install the fan shroud may cause the computer to overheat Service Reference Guide dx7300 433611 001 7 35 Removal and Replacement Procedures Slim Tower ST Chassis 7 15 Processor 1 Prepare the computer for disassembly Section 7 1 2 Remove the computer cover Section 7 5 3 Remove the fan shroud Section 7 12 4 D
165. mplete To begin testing 1 Select the Test tab 2 Select the tab for the type of test to be run Quick Complete or Custom 3 Select the Test Mode Interactive or Unattended 4 Choose how you want the test to be executed either Number of Loops or Total Test Time When choosing to run the test over a specified number of loops enter the number of loops to perform If you desire to have the diagnostic test for a specified time period enter the amount of time in minutes 5 If performing a Quick Test or Complete Test select the device to be tested from the drop down list If performing a Custom Test click the Expand button and select the devices to be tested or click the Check All button to select all devices 6 Click Begin Testing to start the test The Status tab which allows you to monitor the progress of the test is automatically displayed during the testing process When the test is complete the Status tab shows whether the device passed or failed 7 If errors are found go to the Log tab and click the Error Log to display more detailed information and recommended actions 433611 001 Service Reference Guide dx7300 Setup Utilities and Diagnostics Features 2 3 4 Status Tab The Status tab displays the status of the selected tests The type of test executed Quick Complete or Custom is also displayed The main progress bar displays the percent complete of the current set of tests While testing is in progress a C
166. n 1 8 miniphone Pin Signal 1 Tip Audio_Left 123 a 2 Ring Audio_Right 3 Shield Ground Line In Audio Connector and Icon 1 8 miniphone Pin Signal 1 Tip Audio_In_Left 123 da H J 2 Ring Audio_In_Right g 3 Shield Ground Service Reference Guide dx7300 433611 001 A 3 Connector Pin Assignments Line Out Audio Connector and Icon 1 8 miniphone Pin Signal 1 Tip Audio_Out_Left Li ac a 2 Ring Audio_Out Right j 3 Shield Ground External Infrared Transceiver Connector and Icon noo PAS boo tom 00 amp Pin Signal Pin Signal Pin Signal 1 Transmit 4 5V 7 Not Used 2 Receive 5 Mode 8 Not Used 3 Ground 6 Not Used Monitor Connector and Icon 00000 O 0000 00000 Pin Signal Pin Signal Pin Signal 1 Red Analog 6 Ground 11 Not used 2 Green Analog 7 Ground 12 DDC Serial Data 3 Blue Analog 8 Ground 13 Horizontal Sync 4 Not used 9 5V fused 14 Vertical Sync 5 Ground 10 Ground 15 DDC Serial Clock A 4 433611 001 Service Reference Guide dx7300 Connector Pin Assignments ATA ATAPI IDE Standard Drive Cable 39 Connector 1 40 2 Pin Signal Pin Signal Pin Signal Reset 15 DD1 29 DMAK 2 Ground 16 DD14 30 Ground 3 DD7 17 DDO 31 INTRQ 4 DD8 18 DD15 32 IOCS 16 5 DD6 19 Ground 33 DA1 6 DD9 20 Key 34 PDIAG cable detect 7 DD5 21 DMARQ 35 DAO 8 DD10 22 Ground 36 DA2 9 DD4 23 DIOW 37 CS 1FX 10 DD11 24 Ground 38 CS3FX 1 DD3 25 DIOR 39
167. n Device Insertion Allows system to wake from Standby on USB device insertion Hardware Power Management SATA power management enables or disables SATA bus and or device power management Thermal Fan idle mode This bar graph controls the minimum permitted fan speed This setting only changes the minimum fan speed The fans are still automatically controlled Qy Support for specific Computer Setup options may vary depending on the hardware configuration 433611 001 Service Reference Guide dx7300 Setup Utilities and Diagnostics Features Heading Option Description Advanced Power On Options Allows you to set For e POST mode QuickBoot FullBoot or FullBoot every 1 30 days advanced POST messages enable disable users only e MEBx Setup Prompt enable disable or hidden displayed Enabling this feature displays the text CTRL P MEBx during POST Disabling this feature prevents the text from being displayed However pressing CTRL P still accesses the ME BIOS Extension Setup Utility which is used to configure manageability settings F9 prompt enable disable or hidden displayed Enabling this feature will display the text F9 Boot Menu during POST Disabling this feature prevents the text from being displayed but pressing F9 will still access the Shortcut Boot Order Menu screen See Storage gt Boot Order for more information F10 prompt enable disable or hidden displayed Enabling thi
168. nect headphones or external speakers Volume is muted 1 From the Control Panel program click Sound Speech and Audio Devices then click Sounds and Audio Devices 2 Click the Mute check box to remove the check mark from the box Computer is in standby mode Press the power button to resume from standby mode IN When attem pting 9 cone from standby mode do not hold dowh the power utton for more than four seconds Otherwise the computer will shut down and any unsaved data will be lost Sound from headphones is not clear or muffled Headphones are plugged into the rear audio output connector The rear audio connector is for powered audio devices and is not designed for headphone use Plug the headphones into the headphone connector on the front of the computer D 18 433611 001 Service Reference Guide dx7300 Troubleshooting Without Diagnostics Solving Audio Problems Continued Cause Solution Computer appears to be The hard disk may be locked up while recording full Problem Before recording make sure there is enough free space on the hard disk audio Solving Printer Problems Solving Printer Problems You can also try recording the audio file in a compressed format Problem Cause Solution Printer will not print Printer is not turned on and online Turn the printer on and make sure it is online The correct printer driv
169. ned on POST checks the following items to ensure that the computer system is functioning properly Keyboard a E Memory modules EH All mass storage devices a Processors MW Controllers If the Power On Password is set a key icon appears on the screen while POST is running You will need to enter the password before continuing Refer to Section 3 5 Asset Tracking and Security for information on setting deleting or bypassing the password If POST finds an error in the system an audible and or visual message occurs For POST error messages and their solutions refer to Appendix C POST Error Messages Service Reference Guide dx7300 433611 001 2 1 Setup Utilities and Diagnostics Features 2 2 Computer Setup Utilities Use Computer Setup Utilities F10 to Change factory default settings Set the system date and time Set view change or verify the system configuration including settings for processor graphics memory audio storage communications and input devices Modify the boot order of bootable devices such as hard drives diskette drives optical drives or USB flash media devices Enable Quick Boot which is faster than Full Boot but does not run all of the diagnostic tests run during a Full Boot You can set the system to LY always Quick Boot default LY periodically Full Boot from every 1 to 30 days or 4 always Full Boot Select Post Messages Enabled or Disabled to
170. nes and Features 41 SATA Hard Drives ote red bss bene baba eos 4 1 4 2 SATA Hard Drive Cables ico pe e En aa ee Sead eek o a eRe 4 2 4 2 1 SATA Data Cables di 4 2 4 2 2 SATA Power Cable tie dto e da ida da 4 2 4 3 PATA Device Information ssrecce cire ene nin E EnEn nen n EE 4 3 4 4 ATA S MAR TDIIV S 225 0 ae ead e o Pane e E EEDI aoe eS 4 3 4 5 Hard Drive Capacities 0 0 i rete e i e a a E e E a e E E a a 4 3 5 Identifying the Chassis Routine Care and Disassembly Preparation 5 1 Chassis Designations cris oc eins Sh bee Ea a E ae ea poe 5 1 NL Microto Wer MD tratado dite aie ea ee od te ale eda Siete dete hed dire tat A 5 1 IES MA LOW SD A A A lee ba aa a 5 2 5 2 Electrostatic Discharge Information ooocococooocor eens 5 3 5 2 1 Generating Statics a when tect anes gaa hovel aka ele ea a 5 3 5 2 2 Preventing Electrostatic Damage to Equipment 0 0 eee eee eee eee 5 3 5 2 3 Personal Grounding Methods and Equipment 0 0 e eee eee eee eee 54 5 2 4 Grounding the Work Area o oo oococooocrcor e eee n ene nes 5 4 5 2 5 Recommended Materials and Equipment 0 0c ee eee 54 5 3 Operating Guldelines o o o oo oooocoooorr cnt oea A bene e eens 5 5 4 Routine Care rr eee eh tad Bis ete RANA Aa adam ta A A A 5 5 5 4 1 General Cleaning Safety Precautions 0 0 cece eee eee nee 5 5 5 4 2 Cleaning the Computer Case 1 0 cee ene ene e ene 5 6 5 4 3 Cleaning the Keyb
171. ng other things setting the DriveLock master password and a temporary user password In the event that the user forgets the user password or the equipment is passed on to another employee the master password can always be used to reset the user password and regain access to the hard drive HP recommends that corporate system administrators who choose to enable DriveLock also establish a corporate policy for setting and maintaining master passwords This should be done to prevent a situation where an employee intentionally or unintentionally sets both DriveLock passwords before leaving the company In such a scenario the hard drive would be rendered unusable and require replacement Likewise by not setting a master password system administrators may find themselves locked out of a hard drive and unable to perform routine checks for unauthorized software other asset control functions and support For users with less stringent security requirements HP does not recommend enabling DriveLock Users in this category include personal users or users who do not maintain sensitive data on their hard drives as a common practice For these users the potential loss of a hard drive resulting from forgetting both passwords is much greater than the value of the data DriveLock has been designed to protect Access to Computer Setup and DriveLock can be restricted through the Setup password By specifying a Setup password and not giving it to end users system admin
172. ng these procedures ensure that you are discharged of static electricity by briefly touching a grounded metal object 1 Prepare the computer for disassembly Section 6 1 2 Remove the access panel and rotate the computer so the system board is parallel to the table to make it easier to work on Section 6 3 It may be necessary to remove an expansion card to gain access to the battery 3 Locate the battery and battery holder on the system board 4 Depending on the type of battery holder on your system board complete the following instructions to replace the battery Service Reference Guide dx7300 433611 001 6 35 Removal and Replacement Procedures Microtower MT Chassis 6 19 1 Type 1 Battery Holder 1 Lift the battery out of its holder 2 Slide the replacement battery into position positive side up 3 The battery holder automatically secures the battery in the proper position 4 Replace the computer access panel Section 6 3 5 Plug in the computer and turn on power to the computer 6 Reset the date and time your passwords and any special system setups using Computer Setup Refer to the Computer Setup F10 Utility Guide 6 36 433611 001 Service Reference Guide dx7300 Removal and Replacement Procedures Microtower MT Chassis 6 19 2 Type 2 Battery Holder 1 To release the battery from its holder squeeze the metal clamp that extends above one edge of the battery When the batt
173. nsion card slot 7 If you are replacing an expansion card store the old card in the anti static packaging that contained the new card 8 While holding the expansion card bracket against the chassis slide the slot cover lock down toward the expansion card brackets and slot covers to secure them in place and replace the thumbscrew that secures the slot cover lock 9 Connect external cables to the installed card if needed Connect internal cables to the system board if needed 6 16 433611 001 Service Reference Guide dx7300 Removal and Replacement Procedures Microtower MT Chassis 6 9 Drives The computer supports up to six drives that may be installed in various configurations This Section describes the procedure for replacing or upgrading the storage drives A Torx T 15 screwdriver is needed to remove and install the guide screws on a drive CAUTION Make sure personal files on the hard drive are backed up to an external storage device before removing the hard drive Failure to do so will result in data loss After replacing the primary hard drive you will need to run the Restore Plus CD to load the HP factory installed files 6 9 1 Drive Positions 9 Drive Positions ltem Description o Two 5 25 inch half height bays for optional drives e Two standard 3 5 inch one third height bays 1 44 MB diskette drives shown Two internal 3 5 inch one third height bays for hard drives
174. ntacts Doing so may damage the module 1 Prepare the computer for disassembly Section 6 1 2 Remove the access panel and rotate the computer so the system board is parallel to the table to make it easier to work on Section 6 3 WARNING To reduce risk of personal injury from hot surfaces allow the internal system components to cool before touching 3 Open both latches of the memory module socket O and insert the memory module into the socket Refer to Appendix F Memory for the correct sequence for installing memory modules to get optimal performance O do o zB A memory module can be installed in only one way Match the notch on the module with the tab on the memory socket It may be easier to install a memory module in some cases if the main power cable from the power supply to the system board is temporarily disconnected 4 Push the module down into the socket ensuring that the module is fully inserted and properly seated Make sure the latches are in the closed position 6 Service Reference Guide dx7300 433611 001 6 11 Removal and Replacement Procedures Microtower MT Chassis Q The computer automatically recognizes the additional memory when the computer is turned on To reassemble the computer reverse the removal procedure 6 12 433611 001 Service Reference Guide dx7300 Removal and Replacement Procedures Microtower MT Chassis 6 8 Expansion Cards 1
175. ny cable sharply A sharp bend can break the internal wires Never bend a SATA data cable tighter than a 30 mm 1 18 in radius Never crease a SATA data cable Do not rely on components like the drive cage power supply or computer cover to push cables down into the chassis Always position the cables to lay properly by themselves When removing the power supply power cables from the P1 or P3 connectors on the system board always follow these steps 1 Squeeze on the top of the retaining latch attached to the cable end of the connector O 2 Grasp the cable end of the connector and pull it straight up CAUTION Always pull the connector NEVER pull on the cable Pulling on the cable could damage the cable and result in a failed power supply Service Reference Guide dx7300 433611 001 6 9 Removal and Replacement Procedures Microtower MT Chassis 6 6 1 Cable Connections System board connectors are color coded to make it easier to find the proper connection Cable To Cable Designator Power Supply System board 24 pin Pl Power Supply CPU power 4 pin P3 Power Supply 1st SATA Hard drive P4 Power Supply 2nd SATA Hard drive P5 Power Supply Diskette drive P8 Power Supply 2nd Optical drive P10 Power Supply 1st Optical drive P1 Cable To PCA Designator Diskette drive System board P10 FLOPPY Black 1st SATA Hard drive System board P60 SATA O Dark Blue 1st ODD or 2nd
176. o a working AC outlet 2 Open hood and check that the power button harness is properly connected to the system board 3 Check that both power supply cables are properly connected to the system board 4 Check to see if the 5 V_aux light on the system board is turned on If it is turned on then replace the power button harness 5 If the 5 V_aux light on the system board is not turned on remove the expansion cards one at a time until the 5 V_aux light on the system board turns on If the problem persists replace the power supply Service Reference Guide dx7300 433611 001 C 13 POST Error Messages C 14 433611 001 Service Reference Guide dx7730 Troubleshooting Without Diagnostics Preliminary Checklist This section describes some simple preliminary tests and guidelines for troubleshooting the computer without using the diagnostics Are the computer and monitor connected to a working electrical outlet Is the voltage select switch is set to the appropriate voltage for your region 115V or 230V Is the computer turned on Is the green power light illuminated Is the monitor turned on Is the green monitor light illuminated Turn up the monitor brightness and contrast controls if the monitor is dim If the system has multiple video sources embedded PCI or PCI Express adapters installed embedded video on some models only and a single monitor the monitor must be plugged into the monitor connect
177. o install a bezel blank reverse the removal procedure Service Reference Guide dx7300 433611 001 6 7 Removal and Replacement Procedures Microtower MT Chassis 6 5 2 Diskette Drive Bezel Press the two upper O or the two lower tabs for the diskette drive bezel towards the center of the drive bezel and push the bezel out to remove it from the front bezel To install a bezel or a bezel blank reverse the removal procedure 6 5 3 3 5 Drive Bezel Blank Press the two upper O or the two lower tabs for the 3 5 drive bezel towards the center of the 3 5 drive bezel and push the bezel blank out to remove it from the front bezel To install a bezel blank reverse the removal procedure 6 8 433611 001 Service Reference Guide dx7300 Removal and Replacement Procedures Microtower MT Chassis 6 6 Cable Management Always follow good cable management practices when working inside the computer Keep cables away from major heat sources like the heatsink Do not jam cables on top of expansion cards or memory modules Printed circuit cards like these are not designed to take excessive pressure on them Keep cables clear of sliding or moveable parts to prevent them from being cut or crimped when the parts are moved When folding a flat ribbon cable never fold to a sharp crease Sharp creases may damage the wires Some flat ribbon cables come prefolded Never change the folds on these cables Do not bend a
178. oard o oooococococcocr nec e nent eee ene 5 6 54A Cleaning the Monitor nessas ee cca kee ain RAGS ELA TRG Oba vena ea Ee 5 7 5 4 5 Cleaning the Mouse sis sss sweden tee oe on se eas ade ede Loewe Rear 5 7 5 5 Service Considerations vico sss ih ee a ace alae bas aa ea 5 7 iv 433611 001 Service Reference Guide dx7300 Contents 35 1 Power Supply FAO eho eae Gee ake ae Ae ae tassel cae eee AE Ae 5 7 5 5 2 Tools and Software Requirements 0 0 0 0 eee cece teenies 5 7 DIB SCLEWS 233 sss EE basa aang aie e E E qen bg Wie aun Fae eg EWES E Gop eel Gok abi e 5 8 5 5 4 Cables and Connectors 0 0 teen e nee e tenn eee ee 5 8 0 95 59 Hard Drives sitios ire sa avd te 5 8 5 5 6 Lithium Coin Cell Battery resserre neuio ene ene eens 5 9 6 Removal and Replacement Procedures Microtower MT Chassis 6 1 Preparation for Disassembly 0 0 0 0 eee eee een eee beeen eee 6 1 6 2 External Security Devices o ooooocooroocncncr eee e nee nen e ees 6 2 6 2 1 Installing a Cable Lock cota eine eects eA ec hed RL hee 6 2 6 2 2 Installing a Padlock coto he Seas e Vee OL teen intend 6 3 6 3 Access Panel cases aaa ne wal wey oma wed aa deal See baw Et o 6 4 6 4 Front Bezel ei eEG E T EEEE TERE E E hat tad et eed 6 5 6 5 Front Drive Bezels rue nio ie E E E aig E E T oe E Gawd ee E A 6 7 6 5 1 5 25 Drive Bezel Blank 2 0 0 0 cece cece e i 6 7 6 5 2 Diskette Drive Bezel caure ikaw eae eet Ne idan it 6 8 6 5 3 3 5 Drive Bezel
179. ocess This delay is sometimes needed for hard disks on some PCI cards that spin up very slowly so slowly that they are not ready to boot by the time POST is finished The POST delay also gives you more time to press F10 to enter Computer F10 Setup Qy Support for specific Computer Setup options may vary depending on the hardware configuration Service Reference Guide dx7300 433611 001 2 11 Setup Utilities and Diagnostics Features Heading Option Description Advanced Power On Options Allows you to set continued continued continued e 1 O APIC Mode enable disable Enabling this feature will For allow Microsoft Windows Operating Systems to run optimally advanced This feature must be disabled for certain non Microsoft users only Operating Systems to work properly e Hyper threading enable disable e Limit CPUID Maximum Value to 3 Restricts the number of CPUID functions reported by the microprocessor Enable this feature if booting to WinNT Execute Memory Restarts the computer and executes the POST memory test Test some models BIOS Power On Allows you to set the computer to turn on automatically at a time you specify Onboard Devices Allows you to set resources for or disable onboard system devices diskette controller serial port or parallel port PCI Devices e Lists currently installed PCI devices and their IRQ settings e Allows you to reconfigure IRQ settings for these devices o
180. ognize the reader and the available ports and then recognize whatever media is inserted in the reader After inserting a media card in the reader the computer attempts to boot from the media card The inserted media card has boot capability If you do not want to boot from the media card remove it during boot or do not select the option to boot from the inserted media card during the boot process Computer will not boot from a USB removable drive or media that is inserted in the USB port on the media card reader After installing the media card reader the front USB ports on the computer do not work The media card reader is connected to the computer via the PCI card which is not supported on the HP Desktop BIOS The USB cable for the front USB ports was disconnected so that the system board connector could be used for the reader The bootable USB device will have boot support if you connect the media card reader to an available USB connector on the computer s system board If no connector is available plug the bootable device into a different USB port on the computer Reconnect the cable for the front USB ports Install the PCI card and connect the media reader to the USB connector on the PCI card D 12 433611 001 Service Reference Guide dx7300 Troubleshooting Without Diagnostics Solving Display Problems Solving Display Problems Problem Blank screen no video
181. ol available in the operating system to make sure the speakers are not muted or to increase the volume D 2 433611 001 Service Reference Guide dx7300 Troubleshooting Without Diagnostics Solving Minor Problems Continued Problem Cause Possible Solution Cannot remove computer cover or access panel Smart Cover Lock featured on some computers is locked 1 Unlock the Smart Cover Lock using Computer Setup 2 Use the Smart Cover FailSafe Key in case of forgotten password power loss or computer malfunction Poor performance is experienced Processor is hot 1 Ensure airflow to the computer is not blocked Leave a 10 2 cm 4 inch clearance on all vented sides of the computer and above the monitor to permit the required airflow 2 Ensure the fans are connected and working properly some fans only operate when needed 3 Ensure the processor heatsink is installed properly Hard drive is full Transfer data from the hard drive to create more space on the hard drive Low on memory Add more memory Hard drive fragmented Program previously accessed did not release reserved memory back to the system Defragment hard drive Restart the computer Virus resident of the hard drive Run virus protection program Too many applications running 1 Close unnecessary applications 2 Add more memory Some software applications espec
182. ol before touching 4 Open both latches of the memory module socket O and insert the memory module into the socket Refer to Appendix F Memory for the correct sequence for installing memory modules to get optimal performance do o Q A memory module can be installed in only one way Match the notch on the module with the tab on the memory socket 5 Push the module down into the socket ensuring that the module is fully inserted and properly seated Make sure the latches are in the closed position 6 6 Repeat steps 4 and 5 for any additional modules that you want to install Service Reference Guide dx7300 433611 001 7 13 Removal and Replacement Procedures Slim Tower ST Chassis Q The computer automatically recognizes the additional memory when the computer is turned on To reassemble the computer reverse the removal procedure Q If you normally lock the Smart Cover Lock use Computer Setup to relock the lock and enable the Smart Cover Sensor 7 9 Vertically Oriented Expansion Card 7 9 1 Expansion Card Retainer 1 If you have locked the Smart Cover Lock restart the computer and enter Computer Setup to unlock the lock 2 Turn off the computer properly through the operating system then turn off any external devices 3 Disconnect the power cord from the power outlet and disconnect any external devices 4 Remove the computer cover Section 7 5 5 Release the slot c
183. on screen display functions To download a SoftPag that will assist you with the synchronization go to the following Web site select the appropriate monitor and download either SP32347 or SP32202 http www hp com support Graphics card is not seated properly or is bad 1 Reseat the graphics card 2 Replace the graphics card 433611 001 Service Reference Guide dx7300 Troubleshooting Without Diagnostics Solving Display Problems Continued Problem Cause Solution Certain typed symbols do not appear correct The font you are using does not support that particular symbol Solving Audio Problems Solving Audio Problems Use the Character Map to locate the and select the appropriate symbol Click Start gt All Programs gt Accessories gt System Tools gt Character Map You can copy the symbol from the Character Map into a document Problem Sound cuts in and out Cause Processor resources are being used by other applications Solution Shut down all open processor intensive applications Direct sound latency common in many media player applications In Windows XP 1 From the Control Panel select Sounds and Audio Devices 2 On the Audio tab select a device from the Sound Playback list 3 Click the Advanced button and select the Performance tab 4 Set the Hardware acceleration slider to None and the Sample rate conversion quality s
184. onfiguration to factory defaults LY VLAN allows administrator to enable LAN virtualization support T SOL IDE R allows administrator to enable remote boot and control sessions mM Change MEBx Password HP highly recommends that this password be changed The default password is admin In order to remotely manage AMT systems the administrator must use a remote console that supports AMT Enterprise management consoles are available from suppliers such as HP OpenView Altiris and Microsoft SMS In SMB mode the client provides a Web browser interface To access this feature open a browser from any other system on the network and enter http host_name 16992 where host_name is the name assigned to the system Alternatively the IP address may be used in place of the host name 3 3 10 Proactive Change Notification The Proactive Change Notification program uses the Subscriber s Choice Web site in order to proactively and automatically M Send you Proactive Change Notification PCN e mails informing you of hardware and software changes to most commercial computers and servers up to 60 days in advance E Send you e mail containing Customer Bulletins Customer Advisories Customer Notes Security Bulletins and Driver alerts for most commercial computers and servers You create your own profile to ensure that you only receive the information relevant to a specific IT environment To learn more about the Proactive Change Notification program
185. or on the source selected as the primary VGA adapter During boot the other monitor connectors are disabled and if the monitor is connected into these ports the monitor will not function You can select which source will be the default VGA source in Computer F10 Setup Press and hold any key If the system beeps then the keyboard is operating correctly Check all cables for loose or incorrect connections Reconfigure the computer after installing a non Plug and Play expansion board or other option such as a diskette drive Are all of the necessary device drivers installed Have all printer drivers been installed for each application Remove all bootable media diskette CD or USB device from the system before turning on the system Are all switches set correctly Is the NIC Remote Wakeup cable featured on some models connected between the NIC and the riser system board Service Reference Guide dx7300 433611 001 D 1 Troubleshooting Without Diagnostics Solving Minor Problems Solving Minor Problems Problem Computer appears locked up and will not turn off when the power button is pressed Cause Software control of the power switch is not functional Possible Solution 1 Press and hold the power button for at least four seconds until the computer turns off 2 Disconnect electrical plug from outlet Computer will not respond to USB keyboard or mouse Computer is in standby mode
186. over retention latch that secures the PCI slot covers by lifting the green tab on the latch and rotating the latch to the full open position O 6 Remove the single screw that keeps the card retainer in place and slide the retainer to the left to remove it from the chassis To install the card retainer reverse the removal procedure 7 14 433611 001 Service Reference Guide dx7300 Removal and Replacement Procedures Slim Tower ST Chassis 7 9 2 PCI Expansion Card 1 If you have locked the Smart Cover Lock restart the computer and enter Computer Setup to unlock the lock 2 Turn off the computer properly through the operating system then turn off any external devices Disconnect the power cord from the power outlet and disconnect any external devices Remove the computer cover Section 7 5 Identify the slot into which you want to insert the expansion card nn Bu Release the slot cover retention latch that secures the PCI slot covers by lifting the green tab on the latch and rotating the latch to the full open position O 7 Remove the slot cover by sliding it up and out of the computer Service Reference Guide dx7300 433611 001 7 15 Removal and Replacement Procedures Slim Tower ST Chassis 8 Install the expansion card by sliding the card under the slot cover retention latch then pressing the card down into the slot on the system board zB Be sure not to scrape other compon
187. p of the processor and install the heatsink atop the processor 5 Go to step 7 6 If using a new heatsink remove the protective covering from the bottom of the heatsink and place it in position atop the processor 7 Secure the heatsink to the system board and system board tray with the 4 captive screws and attach the heatsink control cable to the system board CAUTION Heatsink retaining screws should be tightened in diagonally opposite pairs as in an X to evenly seat the heatsink on the processor This is especially important as the pins on the socket are very fragile and any damage to them may require replacing the system board Q After installing a new processor onto the system board always update the system ROM to ensure that the latest version of the BIOS is being used on the computer The latest system BIOS can be found on the Web at http h18000 www 1 hp com support files Service Reference Guide dx7300 433611 001 7 37 Removal and Replacement Procedures Slim Tower ST Chassis 7 16 Speaker 1 Prepare the computer for disassembly Section 7 1 2 Remove the computer cover Section 7 5 3 Remove the fan shroud Section 7 12 4 Remove any memory modules that might interfere with the screwdriver used for removing the speaker Nn Disconnect the speaker wire from the system board 6 Remove the two screws that secure the speaker to the chassis O 7 Rotate the top of the speaker back to c
188. plate and the ball from the housing Pull out any debris from the ball socket and wipe the ball with a clean dry cloth before reassembly E To clean the mouse body follow the procedures in Section 5 4 2 Service Considerations Listed below are some of the considerations that you should keep in mind during the disassembly and assembly of the computer Power Supply Fan The power supply fan is a variable speed fan based on the temperature in the power supply CAUTION The cooling fan is always on when the computer is in the On mode The cooling fan is off when the computer is in Standby Suspend or Off modes You must disconnect the power cord from the power source before opening the computer to prevent system board or component damage Tools and Software Requirements To service the computer you need the following Torx T 15 screwdriver HP screwdriver with bits PN 161946 001 Torx T 15 screwdriver with small diameter shank for certain front bezel removal Flat bladed screwdriver may sometimes be used in place of the Torx screwdriver Phillips 2 screwdriver Diagnostics software HP tamper resistant T 15 wrench Smart Cover FailSafe Key PN 166527 001 or HP tamper resistant bits Smart Cover FailSafe Key PN 166527 002 Service Reference Guide dx7300 433611 001 5 7 Identifying the Chassis Routine Care and Disassembly Preparation 5 5 3 5 5 4 5 5 5 Screws The screws used
189. r cover to push cables down into the chassis Always position the cables to lay properly by themselves When removing the power supply power cables from the P1 connector on the system board always follow these steps 1 Squeeze on the top of the retaining latch attached to the cable end of the connector O 2 Grasp the cable end of the connector and pull it straight up CAUTION Always pull the connector NEVER pull on the cable Pulling on the cable could damage the cable and result in a failed power supply Service Reference Guide dx7300 433611 001 7 11 Removal and Replacement Procedures Slim Tower ST Chassis 7 7 1 Cable Connections System board connectors are color coded to make it easier to find the proper connection Cable To Cable Designator Power Supply System board 24 pin Pl Power Supply Diskette drive P2 Power Supply CPU power 6 pin P3 Power Supply 1st SATA Hard drive P4 Power Supply 2nd SATA Hard drive P5 Power Supply Optical drive P7 Cable To PCA Designator Diskette drive System board P10 FLOPPY Black 1st Hard drive System board P60 SATA O Dark Blue 1st ODD or 2nd Hard drive if no ODD present System board P61 SATA 1 White 2nd Hard drive if ODD present System board P62 SATA 2 Light blue Serial port A System board P54 COMA Serial port B System board P52 COM B Hood lock solenoid System board
190. r to disable them entirely These settings have no effect under an APIC based operating system PCI VGA Displayed only if there are multiple PCI video adapters in the play y p p Configuration system Allows you to specify which VGA controller will be the boot or primary VGA controller Gy In order to see this entry you must enable integrated video Advanced gt Device Options and Save Changes and bar Support for specific Computer Setup options may vary depending on the hardware configuration Q pp p p p op y vary aep g g 2 12 433611 001 Service Reference Guide dx7300 Setup Utilities and Diagnostics Features Heading Option Description Advanced Bus Options On some models allows you to enable or disable continued PCI SERR Generation For e PCI VGA palette snooping which sets the VGA palette snooping bit in PCI configuration space only needed when more than one graphics controller is installed advanced users only Device Options Allows you to set e Printer mode Bi Directional EPP amp ECP Output Only Num Lock state at power on off on S5 Wake on LAN enable disable To disable Wake on LAN during the off state S5 use the arrow left and right keys to select the Advanced gt Device Options menu and set the 5 Wake on LAN feature to Disable This obtains the lowest power consumption available on the computer during S5 It does not affect the ability of the comp
191. r to the system press and hold the power button for four seconds CAUTION Do not use the power button to turn off the computer unless the system is not responding turning off the power without operating system interaction could cause damage to or loss of data on the hard drive 3 4 6 HP Web Site Support When making the transition to new or revised operating systems it is important to implement the support software designed for that operating system If you plan to run a version of Microsoft Windows that is different from the version included with the computer you must install corresponding device drivers and utilities to ensure that all features are supported and functioning properly HP has made the task of locating accessing evaluating and installing the latest support software easier You can download the software from http www hp com support The Web site contains the latest device drivers utilities and flashable ROM images needed to run the latest Microsoft Windows operating system on the HP computer 3 4 7 Industry Standards 3 5 HP management solutions integrate with other systems management applications and are based on industry standards such as Web Based Enterprise Management WBEM Windows Management Interface WMI Wake on LAN Technology ACPI SMBIOS Pre boot Execution PXE support Asset Tracking and Security Asset tracking features incorporated into the computer provide key asset tracking data tha
192. ranslation Parameters ATA disks only Qy This feature appears only when User translation mode is selected Allows you to specify the parameters logical cylinders heads and sectors per track used by the BIOS to translate disk I O requests from the operating system or an application into terms the hard drive can accept Logical cylinders may not exceed 1024 The number of heads may not exceed 256 The number of sectors per track may not exceed 63 These fields are only visible and changeable when the drive translation mode is set to User Default Values IDE SATA Allows you to specify the default values for the Multisector Transfers Transfer Mode and Translation Mode for ATA devices Storage Options Removable Media Boot Enables disables ability to boot the system from removable media Legacy Diskette Write Enables disables ability to write data to legacy diskettes After saving changes to Removable Media Write the computer will restart Turn the computer off then on manually BIOS DMA Data Transfers Allows you to control how BIOS device I O requests are serviced When Enable is selected the BIOS will service ATA device read and write requests with DMA data transfers When Disable is selected the BIOS will service ATA device read and write requests with PIO data transfers Support for specific Computer Setup options may vary depending on the hardware configuration 26 433611 001 Service Refe
193. rder not correct Run Computer Setup and change boot sequence in Storage gt Boot Order Drive not found identified Cable could be loose Check cable connections The system may not have automatically recognized a newly installed device See reconfiguration directions in the Solving Hardware Installation Problems section If the system still does not recognize the new device check to see if the device is listed within Computer Setup If it is listed the probable cause is a driver problem If it is not listed the probable cause is a hardware problem If this is a newly installed drive run the Computer Setup utility and try adding a POST delay under Advanced gt Power On The device is attached to a SATA port that has been disabled in Computer Setup Run the Computer Setup utility and ensure the device s SATA port is enabled in Storage gt Storage Options Drive responds slowly immediately after power up Run Computer Setup and increase the POST Delay in Advanced gt Power On Options CD ROM or DVD devices are not detected or driver is not loaded Drive is not connected properly or not properly configured See the documentation that came with the optional device Service Reference Guide dx7300 433611 001 D 29 Troubleshooting Without Diagnostics Solving CD ROM and DVD Problems Continued Problem Cause Solution Movie will not play in the
194. re exiting select File gt Save Changes and Exit Unlocking the Smart Cover Lock 1 Turn on or restart the computer If you are in Windows click Start gt Shut Down gt Restart 2 As soon as the computer is turned on press F10 when the monitor light turns green to enter Computer Setup Press Enter to bypass the title screen if necessary Q If you do not press F10 at the appropriate time you must restart the computer and again press F10 when the monitor light turns green to access the utility 3 Select Security gt Smart Cover gt Cover Lock gt Unlock 4 Before exiting select File gt Save Changes and Exit Using the Smart Cover FailSafe Key If you enable the Smart Cover Lock and cannot enter your password to disable the lock you will need a Smart Cover FailSafe Key to open the computer cover You will need the key in any of the following circumstances E Power outage MN Startup failure m PC component failure such as processor or power supply E Forgotten password CAUTION The Smart Cover FailSafe Key is a specialized tool available from HP Be prepared order this key before you need one Tamper resistant wrench PN 166527 001 or tamper resistant bits PN 166527 002 For more information about using the Smart Cover FailSafe Key please see the Removal and Replacement chapter for the specific chassis 3 5 6 Cable Lock Provision The rear panel of the computer accommodates a cable lock so that the compu
195. rence Guide dx7300 Setup Utilities and Diagnostics Features Heading Option Description Storage Storage Options SATA Emulation continued continued Allows you to choose how the SATA controller and devices are accessed by the operating system There are up to three supported options IDE RAID and AHCI IDE is the default option Use this option for normal non RAID non AHCI configurations Select the RAID option to enable DOS and boot accesses to RAID volumes Use this option for RAID configurations under Windows 2000 XP or Vista with the appropriate RAID device driver Qy The RAID device driver must be installed prior to attempting to boot from a RAID volume If you attempt to boot from a RAID volume without the required device driver installed the system will crash blue screen Also do not select the RAID option while the DriveLock feature is enabled on any attached hard drives Doing so will cause the Drivelocked drives to remain locked and inaccessible during subsequent reboots until another SATA emulation mode is selected Select the ACHI option to enable DOS and boot accesses to SATA devices using the AHCI interface Select this mode if the target operating system supports accessing the SATA devices via AHCI e g Windows Vista and AHCI accesses are desired Windows 2000 and Windows XP require a third party device driver to access SATA devices using the AHCI interface If you attempt to boot with e
196. rk status light should flash when there is network activity No active network is detected Check cabling and network equipment for proper connection Network controller is not set up properly Check for the device status within Windows such as Device Manager for driver load and the Network Connections applet within Windows for link status Network controller is disabled 1 Run Computer Setup and enable network controller 2 Enable the network controller in the operating system via Device Manager Network driver is not properly loaded Reinstall network drivers System cannot autosense the network Disable auto sensing capabilities and force the system into the correct operating mode D 24 433611 001 Service Reference Guide dx7300 Troubleshooting Without Diagnostics Solving Network Problems Continued Problem Cause Solution Diagnostics reports a failure Diagnostics passes but the computer does not communicate with the network The cable is not securely connected Ensure that the cable is securely attached to the network connector and that the other end of the cable is securely attached to the correct device The cable is attached to the incorrect connector Ensure that the cable is attached to the correct connector There is a problem with the cable or a device at the other end of the cable Ensure that the cable and devic
197. rofoam mM Use field service tools such as cutters screwdrivers and vacuums that are conductive Recommended Materials and Equipment Materials and equipment that are recommended for use in preventing static electricity include Antistatic tape Antistatic smocks aprons or sleeve protectors Conductive bins and other assembly or soldering aids Conductive foam Conductive tabletop workstations with ground cord of one megohm 10 resistance Static dissipative table or floor mats with hard tie to ground Field service kits 5 4 433611 001 Service Reference Guide dx7300 Identifying the Chassis Routine Care and Disassembly Preparation Static awareness labels Wrist straps and footwear straps providing one megohm 10 resistance Material handling packages Conductive plastic bags Conductive plastic tubes Conductive tote boxes Opaque shielding bags Transparent metallized shielding bags Transparent shielding tubes 5 3 Operating Guidelines To prevent overheating and to help prolong the life of the computer Keep the computer away from excessive moisture direct sunlight and extremes of heat and cold Operate the computer on a sturdy level surface Leave a 10 2 cm 4 inch clearance on all vented sides of the computer and above the monitor to permit the required airflow Never restrict the airflow into the computer by blocking any vents or air intakes Do not place the keyboard with the keyboard feet
198. roperly Do not disassemble crush puncture short external contacts dispose in water or fire or expose it to temperatures higher than 140 F 60 C Do not attempt to recharge the battery NX Batteries battery packs and accumulators should not be disposed of together with the general household waste In order to forward them to recycling or proper disposal please use the public collection system or return them to HP their authorized partners or their agents Service Reference Guide dx7300 433611 001 5 9 Identifying the Chassis Routine Care and Disassembly Preparation 5 10 433611 001 Service Reference Guide dx7300 6 1 ZA A 6 Removal and Replacement Procedures icrotower MT Chassis Adherence to the procedures and precautions described in this chapter is essential for proper service After completing all necessary removal and replacement procedures run the Diagnostics utility to verify that all components operate properly Not all features listed in this guide are available on all computers Preparation for Disassembly See Chapter 5 Identifying the Chassis Routine Care and Disassembly Preparation for initial safety procedures 1 Remove disengage any security devices that prohibit opening the computer See Section 6 2 External Security Devices 2 Close any open software applications 3 Exit the operating system 4 Remove any diskette or compact disc from the computer
199. rvice Boot message appears in the lower right corner of the HP logo screen Follow the instructions on the screen to continue the process The default boot order is a BIOS configuration setting that can be changed to always attempt to PXE boot Software Updating and Management HP provides several tools for managing and updating software on desktops workstations and notebooks HP System Software Manager HP Client Manager HP ProtectTools Security Manager HP Client Premium Suite HP Client Foundation Suite HP OpenView Client Configuration Manager HP OpenView PC Configuration Management Solutions HP Proactive Change Notification HP Subscriber s Choice HP Client Management Interface HP Client Management Interface HP CMD provides an interface to simplify the integration of business computers with popular industry system management tools including Microsoft Systems Management Server IBM Tivoli Software and HP OpenView Operations and custom inhouse developed management applications Using HP CMI systems management tools and applications can request in depth client inventory receive health status information and manage system BIOS settings by communicating directly with the client computer reducing the need for agent or connector software to achieve integration Service Reference Guide dx7300 433611 001 3 3 Desktop Management When HP Client Management Interface is used in conjunction with system management software i
200. s and reconnect the cables to the system board 6 26 433611 001 Service Reference Guide dx7300 Removal and Replacement Procedures Microtower MT Chassis 6 14 Heatsink 1 Prepare the computer for disassembly Section 6 1 2 Remove the access panel and rotate the computer so the system board is parallel to the table to make it easier to work on Section 6 3 3 Disconnect the heatsink fan cable from the system board 4 Disconnect the four pin power cable from the system board to make it easier to access the heatsink 5 Loosen the four captive screws O that secure the heatsink to the system board tray CAUTION Heatsink retaining screws should be removed in diagonally opposite pairs as in an X to even the downward forces on the processor This is especially important as the pins on the socket are very fragile and any damage to them may require replacing the system board 6 Lift the heatsink from atop the processor and set it on its side to keep from contaminating the work area with thermal grease zB There are two different heatsinks used on the Microtower chassis and are illustrated here Service Reference Guide dx7300 433611 001 6 27 Removal and Replacement Procedures Microtower MT Chassis When reinstalling the heatsink make sure that its bottom has been cleaned with an alcohol wipe and fresh thermal grease has been applied to the top of the processor CAUTION Heatsink r
201. s feature will display the text F10 Setup during POST Disabling this feature prevents the text from being displayed but pressing F10 will still access the Setup screen F12 prompt enable disable or hidden displayed Enabling this feature will display the text F12 Network Service Boot during POST Disabling this feature prevents the text from being displayed but pressing F12 will still force the system to attempt booting from the network Option ROM prompt enable disable Enabling this feature will cause the system to display a message before loading options ROMs This feature is supported on some models only Remote wakeup boot source remote server local hard drive After Power Loss off on previous state Setting this option to e Off causes the computer to remain powered off when power is restored e On causes the computer to power on automatically as soon as power is restored e On allows you to power on the computer using a power strip switch if the computer is connected to an electric power strip e Previous state causes the computer to power on automatically as soon as power is restored if it was on when power was lost If you turn off power to your computer using the switch on a Sa cea strip o will nol be able to use the spand ieo feature or the Remote Management features e POST Delay None 5 10 15 or 20 seconds enable disable Enabling this feature will add a user specified delay to the POST pr
202. s necessary but only a single copy of the Microsoft Windows CD can be created due to licensing constraints You can access a user manual at Start gt HP Backup and Recovery gt HP Backup and Recovery Manager Manual If Create factory software recovery CDs or DVDs to recover the system is unavailable on the system the HP Restore Plus CD set can be obtained through product support on http welcome country us en contact_us html 1 2 433611 001 Service Reference Guide dx7300 2 1 2 Setup Utilities and Diagnostics Features Setup Utilities F10 and diagnostic features provide information needed about the computer system when contacting Customer Support These tools can also be used to E Change factory default settings and to set or change the system configuration which may be necessary when you add or remove hardware E Determine if all of the devices installed on the computer are recognized by the system and functioning properly E Determine information about the operating environment of the computer M Solve system configuration errors detected but not automatically fixed during the Power On Self Test POST E Establish and manage passwords and other security features E Establish and manage energy saving timeouts All features identified in this chapter may not be available on all HP products Power On Self Test POST POST is a series of diagnostic tests that runs automatically when the system is tur
203. service reference guide HP Compaq dx7300 Business PC Ist Edition This document provides information on the removal and replacement of all parts as well as information on troubleshooting Desktop Management setup utilities PATA and SATA drives safety routine care connector pin assignments POST error messages and diagnostic indicator lights Document Part Number 433611 001 O invent O invent Service Reference Guide HP Compaq dx7300 Business PC Ist Edition Document Part Number 433611 001 September 2006 Copyright 2006 Hewlett Packard Development Company L P The information contained herein is subject to change without notice Microsoft MS DOS Windows Windows NT and Windows XP are trademarks of Microsoft Corporation in the U S and other countries Intel is a trademark of Intel Corporation in the U S and other countries UNIX is a registered trademark of The Open Group The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services Nothing herein should be construed as constituting an additional warranty HP shall not be liable for technical or editorial errors or omissions contained herein This document contains proprietary information that is protected by copyright No part of this document may be photocopied reproduced or translated to another language without the prior written consent of Hewlett Packard Company
204. shown current password new password new password Q Type carefully for security reasons the characters you type do not appear on the screen 4 Press Enter The new password takes effect the next time you turn on the computer Refer to National Keyboard Delimiter Characters for information about the alternate delimiter characters The power on password and setup password may also be changed using the Security options in Computer Setup Deleting a Power On or Setup Password If the system is equipped with an embedded security device refer to the HP ProtectTools Security Manager Guide at www hp com 1 Turn on or restart the computer If you are in Windows click Start gt Shut Down gt Restart 2 To delete the Power On password go to step 3 To delete the Setup password as soon as the computer is turned on press F10 when the monitor light turns green to enter Computer Setup Press Enter to bypass the title screen if necessary Q If you do not press F10 at the appropriate time you must restart the computer and again press F10 when the monitor light turns green to access the utility 3 When the key icon appears type the current password followed by a slash or alternate delimiter character as shown current password 4 Press Enter Q Refer to the National Keyboard Delimiter Character table below for information about the alternate delimiter characters The power on password and setup password
205. sites Index 6 433611 001 Service Reference Guide dx7300 Index HP Client Foundation Suite 3 6 HP Client Management Premium Suite 3 5 HP Client Manager 3 5 HP OpenView Client Configuration Manager 3 6 HP OpenView Management Suite 3 6 HP ProtectTools Security Manager 3 5 replicating setup 3 12 replicating setup BIOS utility 3 12 Restore Plus CD 1 2 ROM BIOS Flash 3 9 Subscriber s Choice 3 9 support software 3 16 support software CD subscription 1 1 HPQFlash 3 10 wrench tamper resistant Proactive Change Notification PCN 3 8 Remote ROM BIOS Flash 3 9 SFF 7 3 Service Reference Guide dx7300 433611 001 Index 7 Index Index 8 433611 001 Service Reference Guide dx7300
206. skette or USB flash media device 7 Turn off the computer to be configured and insert the configuration diskette or USB flash media device 8 Turn on the computer to be configured 9 As soon as the computer is turned on press F10 when the monitor light turns green to enter Computer Setup Press Enter to bypass the title screen if necessary 10 Select File gt Replicated Setup gt Restore from Removable Media and follow the instructions on the screen 11 Restart the computer when the configuration is complete Service Reference Guide dx7300 433611 001 3 11 Desktop Management Copying to Multiple Computers CAUTION A setup configuration is model specific File system corruption may result if source and target computers are not the same model For example do not copy the setup configuration from a de7nnn PC to a dx7nnn PC This method takes a little longer to prepare the configuration diskette or USB flash media device but copying the configuration to target computers is significantly faster zB A bootable diskette is required for this procedure or to create a bootable USB flash media device If Windows XP is not available to use to create a bootable diskette use the method for copying to a single computer instead see Copying to Single Computer 1 Create a bootable diskette or USB flash media device See Supported USB Flash Media Device or Unsupported USB Flash Media Device CA
207. start the computer The device is not working 1 Replace the device 2 Restart the computer D 32 433611 001 Service Reference Guide dx7300 Troubleshooting Without Diagnostics Solving Internet Access Problems Solving Internet Access Problems Problem Unable to connect to the Internet Cause Internet Service Provider ISP account is not set up properly Solution Verify Internet settings or contact the ISP for assistance Modem is not set up properly Reconnect the modem Verify the connections are correct using the quick setup documentation Web browser is not set up properly Verify that the Web browser is installed and set up to work with your ISP Cable DSL modem is not plugged in Plug in cable DSL modem You should see a power LED light on the front of the cable DSL modem Cable DSL service is not available or has been interrupted due to bad weather Try connecting to the Internet at a later time or contact your ISP If the cable DSL service is connected the cable LED light on the front of the cable DSL modem will be on The CAT5 UTP cable is disconnected Connect the CAT5 UTP cable between the cable modem and the computers s RJ 45 connector If the connection is good the PC LED light on the front of the cable DSL modem will be on IP address is not configured properly Contact the ISP for the correct IP a
208. t Properties gt Tools Under Error checking click Check Now Diskette drive cannot read a diskette You are using the wrong diskette type for the drive type Check the type of drive that you are using and use the correct diskette type You are reading the wrong drive Check the drive letter in the path statement Diskette is damaged Replace the diskette with a new one Invalid system disk message is displayed A diskette that does not contain the system files needed to start the computer has been inserted in the drive When drive activity stops remove the diskette and press the Spacebar The computer should start up Diskette error has occurred Restart the computer by pressing the power button Cannot Boot to Diskette Diskette is not bootable Replace with a bootable diskette Diskette boot has been disabled in Computer Setup 1 Run Computer Setup and enable diskette boot in Storage gt Boot Order 2 Run Computer Setup and enable diskette boot in Storage gt Storage Options gt Removable Media Boot Qy Both steps should be used as the Removable Media Boot function overrides the Boot Order enable command Network server mode is enabled in Computer Setup Run Computer Setup and disable Network Server Mode in Security gt Password Options Removable media boot has been disabled in Computer Setup Run Computer Setup and enable
209. t XMM3 Channel B White 0 DIMM socket XMM4 Channel B White The system will automatically operate in single channel mode dual channel mode or flex mode depending on how the DIMMs are installed The system will operate in single channel mode if the DIMM sockets are populated in one channel only The system will operate in a higher performing dual channel mode if the total memory capacity of the DIMMs in Channel A is equal to the total memory capacity of the DIMMs in Channel B The technology and device width can vary between the channels For example if Channel A is populated with two 256MB DIMMs and Channel B is populated with one 512MB DIMM the system will operate in dual channel mode The system will operate in flex mode if the total memory capacity of the DIMMs in Channel A is not equal to the total memory capacity of the DIMMs in Channel B In flex mode the channel populated with the least amount of memory describes the total amount of memory assigned to dual channel and the remainder is assigned to single channel For optimal speed the channels should be balanced so that the largest amount of memory is spread between the two channels For example if you are populating the sockets with one 1GB DIMM two 512MB DIMMs and one 256MB DIMM one channel should be populated with the 1GB DIMM and one 256MB DIMM and the other channel should be populated with the two 512MB DIMMs With this configuration 2 GB will run as dual channel and 256 MB wi
210. t be provided in order to enable DriveLock Since the initial configuration of DriveLock is typically performed by a system administrator a master password should be set first HP encourages system administrators to set a master password whether they plan to enable DriveLock or keep it disabled This will give the administrator the ability to modify DriveLock settings if the drive is locked in the future Once the master password is set the system administrator may enable DriveLock or choose to keep it disabled If a locked hard drive is present POST will require a password to unlock the device If a power on password is set and it matches the device s user password POST will not prompt the user to re enter the password Otherwise the user will be prompted to enter a DriveLock password On a cold boot either the master or the user password may be used On a warm boot enter the same password used to unlock the drive during the preceding cold boot Users will have two attempts to enter a correct password On a cold boot if neither attempt succeeds POST will continue but the drive will remain inaccessible On a warm boot or restart from Windows if neither attempt succeeds POST will halt and the user will be instructed to cycle power DriveLock Applications The most practical use of the DriveLock security feature is in a corporate environment The system administrator would be responsible for configuring the hard drive which would involve amo
211. t can E Request in depth client inventory information Capture detailed information about the processors hard drives memory BIOS drivers and sensor information such as fan speed voltage and temperature ME Receive health status information Subscribe for a wide range of client hardware alerts such as over temperature fan stall and hardware configuration changes to be sent to the system management console application or to the local client computer Alerts are sent real time when triggered by hardware events E Manage system BIOS settings Perform F10 functions including setting and changing the BIOS passwords and computer boot order remotely from the system management console of any or all of the client systems without having to visit each machine 3 3 2 HP System Software Manager HP System Software Manager SSM is a free utility that automates remote deployment of device drivers and BIOS updates for networked HP business PCs When SSM runs it silently without user interaction determines the revision levels of drivers and BIOS installed on each networked client system and compares this inventory against system software SoftPags that have been tested and stored in a central file store SSM then automatically updates any down revision system software on the networked PCs to the later levels available in the file store Since SSM only allows distribution of SoftPaq updates to the correct client system models administrators can
212. t can be managed using HP Systems Insight Manager HP Client Manager or other system management applications Seamless automatic integration between asset tracking features and these products enables you to choose the management tool that is best suited to the environment and to leverage the investment in existing tools HP also offers several solutions for controlling access to valuable components and information HP Embedded Security for ProtectTools if installed prevents unauthorized access to data and checks system integrity and authenticates third party users attempting system access For more information refer to the HP ProtectTools Security Manager Guide at www hp com Security features such as HP Embedded Security for ProtectTools the Smart Cover Sensor and the Smart Cover Lock available on some models help to prevent unauthorized access to the internal components of the personal computer By disabling parallel serial or USB ports or by disabling 3 16 433611 001 Service Reference Guide dx7300 Desktop Management removable media boot capability you can protect valuable data assets Memory Change and Smart Cover Sensor alerts can be automatically forwarded to system management applications to deliver proactive notification of tampering with a computer s internal components Q HP Embedded Security for ProtectTools the Smart Cover Sensor and the Smart Cover Lock are available as options on some systems Use th
213. t files CAUTION For maximum ROM protection be sure to establish a setup password The setup password prevents unauthorized ROM upgrades System Software Manager allows the system administrator to set the setup password on one or more PCs simultaneously For more information visit http www hp com go ssm Remote ROM Flash Remote ROM Flash allows the system administrator to safely upgrade the ROM on remote HP computers directly from the centralized network management console Enabling the system administrator to perform this task remotely on multiple computers results in a consistent deployment of and greater control over HP PC BIOS images over the network It also results in greater productivity and lower total cost of ownership The computer must be powered on or turned on through Remote Wakeup to take advantage of Remote ROM Flash For more information on Remote ROM Flash refer to the HP Client Manager or System Software Manager at http h18000 www1 hp com im prodinfo html Service Reference Guide dx7300 433611 001 3 9 Desktop Management 3 4 2 HPQFlash The HPQFlash utility is used to locally update or restore the system BIOS on individual PCs through a Windows operating system For more information on HPQFlash visit http www hp com support files and enter the product name number of the computer when prompted 3 4 3 Boot Block Emergency Recovery Mode Boot Block Emergency Recovery Mode permits s
214. t the appropriate time you must restart the computer and again press F10 when the monitor light turns green to access the utility 3 Select Security gt Smart Cover gt Cover Removal Sensor and select the desired security level 4 Before exiting select File gt Save Changes and Exit Smart Cover Lock The Smart Cover Lock is a software controllable cover lock featured on some HP computers This lock prevents unauthorized access to the internal components Computers ship with the Smart Cover Lock in the unlocked position CAUTION For maximum cover lock security be sure to establish a setup password The setup password prevents unauthorized access to the Computer Setup utility Q The Smart Cover Lock is available as an option on some systems 3 24 433611 001 Service Reference Guide dx7300 Desktop Management Locking the Smart Cover Lock To activate and lock the Smart Cover Lock complete the following steps 1 Turn on or restart the computer If you are in Windows click Start gt Shut Down gt Restart 2 As soon as the computer is turned on press F10 when the monitor light turns green to enter Computer Setup Press Enter to bypass the title screen if necessary zB If you do not press F10 at the appropriate time you must restart the computer and again press F10 when the monitor light turns green to access the utility 3 Select Security gt Smart Cover gt Cover Lock gt Lock option 4 Befo
215. te HP Backup and Recovery Manager can create the Restore Plus CD set This set includes the Restore Plus CD the Operating System CD and any Supplemental Software CDs CAUTION The Restore Plus CD set will not include any system settings or user data created after the initial system setup To create the Restore Plus CD set 1 Click Start gt HP Backup and Recovery gt HP Backup and Recovery Manager to open the Backup and Recovery Wizard then click Next 2 Select Create factory software recovery CDs or DVDs to recover the system 3 Follow the instructions in the wizard The HP Backup and Recovery Manager can be used to back up data and system files to the hard drive to network drives or to removable media such as CDs DVDs or flash media If data or system files are lost deleted or corrupted Backup and Recovery Manager allows you to retrieve data or restore the last good system image CAUTION HP recommends that a backup schedule be created immediately to ensure continued system and data protection Automatic backups can be scheduled using the HP Backup and Recovery Wizard Recovery Points Entire Drive Backups and File Backups can be automatically backed up without user intervention HP recommends scheduling Recovery Points Backups to provide the most comprehensive coverage If HP Backup and Recovery Manager is preinstalled the Restore Plus CD set and the initial recovery point may be saved to disc as often a
216. ter can be physically secured to a work area For illustrated instructions please see the Removal and Replacement chapter for the specific chassis Service Reference Guide dx7300 433611 001 3 25 Desktop Management 3 5 7 Fingerprint Identification Technology 3 6 3 6 1 Eliminating the need to enter user passwords HP Fingerprint Identification Technology tightens network security simplifies the login process and reduces the costs associated with managing corporate networks Affordably priced it is not just for high tech high security organizations anymore Support for Fingerprint Identification Technology varies by model For more information visit http h18004 www 1 hp com products security Fault Notification and Recovery Fault Notification and Recovery features combine innovative hardware and software technology to prevent the loss of critical data and minimize unplanned downtime If the computer is connected to a network managed by HP Client Manager the computer sends a fault notice to the network management application With HP Client Manager you can also remotely schedule diagnostics to automatically run on all managed PCs and create a summary report of failed tests Drive Protection System The Drive Protection System DPS is a diagnostic tool built into the hard drives installed in some HP computers DPS is designed to help diagnose problems that might result in unwarranted hard drive replacement
217. ter cover removal and replacement 7 8 disassembly preparation 7 1 drive bezel inserts 7 10 drive bezel removal and replacement 7 9 drive positions 7 24 replicating the setup 3 11 to 3 15 Restore Plus CD 1 2 expansion card removal and replacement 7 15 Service Reference Guide dx7300 433611 001 Index 5 Index expansion card retainer removal and replacement 7 14 external 3 5 inch drive removal and replacement 7 27 external drive removal and replacement 7 27 external security 7 6 FailSafe key 7 3 fan shroud removal and replacement 7 33 front I O device removal and replacement 7 34 hard drive removal and replacement 7 29 heatsink removal and replacement 7 35 hood sensor removal and replacement 7 5 memory removal and replacement 7 13 optical drive removal and replacement 7 25 padlock removal and replacement 7 7 PCI Express expansion card removal and replacement 7 17 power supply removal and replacement 7 39 power switch assembly removal and replacement 7 47 preparation for disassembly 7 1 processor removal and replacement 7 36 riser card assembly removal and replacement 7 18 Smart Cover Lock removal and replacement 7 3 speaker removal and replacement 7 38 system board connections 6 10 7 12 system board removal and replacement 7 42 tamper proof screws 7 3 Small Form Factor See SFF Smart Cover Lock locking 3 25 SFF removal and replacement 7 3 unlocking 3 25 Smart Cover Sensor protection levels 3 24 setting 3 24 softwar
218. the Drivelocked SATA device or disable the Drivelock feature To disable the Drivelock feature enter Computer Setup change Storage gt Storage Options gt SATA Emulation to IDE and select File gt Save Changes and Exit Reenter Computer Setup and select Security gt Drivelock For each listed Drivelock capable SATA device ensure Drivelock is Disabled Lastly change Storage gt Storage Options gt SATA Emulation back to RAID and select File gt Save Changes and Exit 1801 Microcode Patch Error Processor not supported by ROM BIOS 1 Upgrade BIOS to proper version 2 Change the processor 2200 PMM Allocation Error during MEBx Download Memory error during POST execution of the Management Engine ME BIOS Extensions option ROM 1 Reboot the computer 2 Unplug the power cord re seat the memory modules and reboot the computer 3 If the memory configuration was recently changed unplug the computer restore the original memory configuration and reboot the computer 4 If the error persists replace the system board C 6 433611 001 Service Reference Guide dx7730 POST Error Messages POST Error Messages Continued Screen Message Probable Cause Recommended Action 2201 MEBx Module did not checksum correctly Memory error during POST execution of the Management Engine ME BIOS Extensions option ROM _ Reboot the computer Unplug the power cord re
219. the spares kit CAUTION Before reinstalling the heatsink you must clean the top of the processor and the bottom of the heatsink with an alcohol pad supplied in the spares kit After the alcohol has evaporated apply thermal grease to the top of the processor from the syringe supplied in the spares kit Service Reference Guide dx7300 433611 001 6 29 Removal and Replacement Procedures Microtower MT Chassis 4 Apply the thermal grease provided in the spares kit to the top of the processor and install the heatsink atop the processor 5 Go to step 7 6 If using a new heatsink remove the protective covering from the bottom of the heatsink and place it in position atop the processor 7 Secure the heatsink to the system board and system board tray with the four captive screws and attach the heatsink control cable to the system board CAUTION Heatsink retaining screws should be tightened in diagonally opposite pairs as in an X to evenly seat the heatsink on the processor This is especially important as the pins on the socket are very fragile and any damage to them may require replacing the system board Q After installing a new processor onto the system board always update the system ROM to ensure that the latest version of the BIOS is being used on the computer The latest system BIOS can be found on the Web at http h18000 www 1 hp com support files 6 30 433611 001 Service Reference Guide dx7300 Remov
220. the system board Check if a device is causing the problem by removing ALL attached devices such as hard diskette or optical drives and expansion cards Power on the system If the system enters the POST then power off and replace one device at a time and repeat this procedure until failure occurs Replace the device causing the failure Continue adding devices one at a time to ensure all devices are functioning properly 4 Replace the power supply 5 Replace the system board 433611 001 Service Reference Guide dx7300 Troubleshooting Without Diagnostics Solving Diskette Problems Solving Diskette Problems Problem Diskette drive light stays on Cause Diskette is damaged Solution In Microsoft Windows XP right click Start click Explore and select a drive Select File gt Properties gt Tools Under Error checking click Check Now Diskette is incorrectly inserted Remove diskette and reinsert Drive cable is not properly connected Reconnect power cable Ensure that all four pins are connected Drive not found Cable is loose Reseat diskette drive data and power cables Removable drive is not seated properly Reseat the drive Diskette drive cannot write to a diskette Diskette is not formatted Format the diskette 1 From Windows Explorer select the disk A drive 2 Right click the drive letter and select Format 3 Select th
221. thout Diagnostics Solving Display Problems Continued Problem Cause Solution Blank screen no video continued Monitor settings in the computer are not compatible with the monitor 1 Restart the computer and press F8 during startup when you see Press F8 in the bottom right corner of the screen 2 Using the keyboard arrow keys select Enable VGA Mode and press Enter 3 In Windows Control Panel double click the Display icon and select the Settings tab 4 Use the sliding control to reset the resolution Cannot enable integrated graphics after installing a PCI Express graphics card On systems with Intel integrated graphics the integrated graphics cannot be enabled after installing a PCI Express graphics card The integrated graphics can be enabled in Computer Setup if a standard PCI graphics card is installed Blank screen and the power LED flashes Red five times once every second followed by a two second pause and the computer beeps five times Beeps continue for five iterations after which the LED flashes will continue until the problem is resolved Pre video memory error 1 Reseat DIMMs Power on the system 2 Replace DIMMs one at a time to isolate the faulty module 3 Replace third party memory with HP memory 4 Replace the system board Blank screen and the power LED flashes Red six times once every second followed by a two second paus
222. tick PRO card make sure that the lock tab located on the bottom of the Memory Stick PRO card is not in the locked position Cannot write to the media card The media card is a read only memory Check the manufacturer s documentation included with your ROM card card to see if it writable Refer to the previous section for a list of compatible cards Service Reference Guide dx7300 433611 001 D 11 Troubleshooting Without Diagnostics Solving Media Card Reader Problems Unable to access data on the media card after inserting it into a slot The media card is not inserted properly is inserted in the wrong slot or is not supported Ensure that the card is inserted properly with the gold contact on the correct side The green LED will light if inserted properly Do not know how to remove a media card correctly After installing the media card reader and booting to Windows the reader and the inserted cards are not recognized by the computer The computer s software is used to safely eject the card The operating system needs time to recognize the device if the reader was just installed into the computer and you are turning the PC on for the first time Open My Computer right click on the corresponding drive icon and select Eject Then pull the card out of the slot Never remove the card when the green LED is flashing Wait a few seconds so that the operating system can rec
223. tion Check that the voltage selector located on the rear of the power supply some models is set to the appropriate voltage Proper voltage setting depends on your region Replace the processor Replace the system board Red Power LED flashes ten times once every second followed by a two second pause Beeps stop after fifth iteration but LEDs continue until problem is solved Bad option card Check each option card by removing the card one at a time if multiple cards then power on the system to see if fault goes away Once a bad card is identified remove and replace the bad option card Replace the system board 433611 001 Service Reference Guide dx7730 POST Error Messages POST Diagnostic Front Panel LEDs and Audible Codes Continued Activity Beeps Possible Cause Recommended Action System does not None System unable to Press and hold the power button for less power on and power on than 4 seconds If the hard drive LED turns LEDs are not green the power button is working flashing correctly Try the following 1 Check that the voltage selector some models located on the rear of the power supply is set to the appropriate voltage Proper voltage setting depends on your region 2 Replace the system board OR Press and hold the power button for less than 4 seconds If the hard drive LED does not turn on green then 1 Check that the unit is plugged int
224. tion insert the diskette USB flash media device or other storage media emulating a diskette with the saved configuration and perform the Restore from Removable Media command with the Computer Setup F10 Utility HP Insight Diagnostics HP Insight Diagnostics is included on the Documentation and Diagnostics CD with some computer models only The HP Insight Diagnostics utility allows you to view information about the hardware configuration of the computer and perform hardware diagnostic tests on the subsystems of the computer The utility simplifies the process of effectively identifying diagnosing and isolating hardware issues The Survey tab is displayed when you invoke HP Insight Diagnostics This tab shows the current configuration of the computer From the Survey tab there is access to several categories of information about the computer Other tabs provide additional information including diagnostic test options and test results The information in each screen of the utility can be saved as an html file and stored on a diskette or USB HP Drive Key Use HP Insight Diagnostics to determine if all the devices installed on the computer are recognized by the system and functioning properly Running tests is optional but recommended after installing or connecting a new device You should run tests save the test results and print them for reference Third party devices may not be detected by HP Insight Diagnostics 433611 001
225. tions F 1 MT removal and replacement 6 11 problem solving D 27 SFF removal and replacement 7 13 socket assignments F 2 microphone pin assignments A 3 monitor blank screen D 13 blurry video D 15 cleaning 5 7 dim characters D 15 pin assignments A 4 mouse pin assignments A 1 mouse cleaning 5 7 MT 3 5 drive bezel removal and replacement 6 8 5 25 drive bezel removal and replacement 6 7 access panel removal and replacement 6 4 battery removal and replacement 6 35 cable lock 6 2 chassis fan removal and replacement 6 23 disassembly preparation 6 1 diskette drive bezel removal and replacement 6 8 diskette drive cable connecting 6 21 diskette drive cable disconnecting 6 19 drive positions 6 17 drive removal and replacement 6 18 expansion slot cover 6 14 external security 6 2 front bezel removal and replacement 6 5 front I O devices removal and replacement 6 25 front I O panel removal and replacement 6 24 hard drive cable connecting 6 21 hard drive cable disconnecting 6 18 heatsink removal and replacement 6 27 memory removal and replacement 6 11 optical drive cable connecting 6 21 optical drive cable disconnecting 6 18 padlock 6 3 PCI expansion card removal and replacement 6 14 PCI Express expansion card removal and replacement 6 15 Service Reference Guide dx7300 433611 001 Index 3 Index power supply removal and replacement 6 32 power switch assembly removal and replacement 6 26 preparation for disassembly 6 1
226. ure the device s SATA port is enabled in Storage gt Storage Options Hard drive is damaged Observe if the front panel Power LED is blinking RED and if any beeps are heard See the Worldwide Limited Warranty for terms and conditions Computer seems to be locked up Program in use has stopped responding to commands Attempt the normal Windows Shut Down procedure If this fails press the power button for four or more seconds to turn off the power To restart the computer press the power button Solving Media Card Reader Problems Solving Media Card Reader Problems Problem Media card will not work in a digital camera after formatting it in Microsoft Windows XP Cause By default Windows XP will format any media card with a capacity greater than 32MB with the FAT32 format Most digital cameras use the FAT FAT 16 8 FAT12 format and can not operate with a FAT32 formatted card Solution Either format the media card in the digital camera or select FAT file system to format the media card ina computer with Windows XP A write protected or locked error occurs when attempting to write to the media card Media card is locked Locking the media card is a safety feature that prevents writing to and deleting from an SD Memory Stick PRO card If using an SD card make sure that the lock tab located on the right of the SD card is not in the locked position If using a Memory S
227. use of the Computer Setup F10 utility until the password is entered 1 Turn on or restart the computer If you are in Windows click Start gt Shut Down gt Restart 2 As soon as the computer is turned on press F10 when the monitor light turns green to enter Computer Setup Press Enter to bypass the title screen if necessary Q If you do not press F10 at the appropriate time you must restart the computer and again press F10 when the monitor light turns green to access the utility 3 Select Security then select Setup Password and follow the instructions on the screen 4 Before exiting Select File gt Save Changes and Exit Service Reference Guide dx7300 433611 001 3 19 Desktop Management 3 5 3 Establishing a Power On Password Using Computer Setup Establishing a power on password through Computer Setup prevents access to the computer when power is turned on unless the password is entered When a power on password is set Computer Setup presents Password Options under the Security menu Password options include Password Prompt on Warm Boot When Password Prompt on Warm Boot is enabled the password must also be entered each time the computer is rebooted 1 Turn on or restart the computer If you are in Windows click Start gt Shut Down gt Restart 2 As soon as the computer is turned on press F10 when the monitor light turns green to enter Computer Setup Press Enter to bypass the title screen i
228. used 6 Receive Data 7 Unused 8 Unused Ethernet AUI Connector and Icon 00000000 aa 06000000 Pin Signal Pin Signal 1 Ground 9 Positive AUI Differential Receive 2 Negative AUI Differential Collision 10 4 12V 3 Positive AUI Differential Collision 11 Ground 4 Negative AUI Differential Transmit 12 Ground 5 Positive AUI Differential Transmit 13 Unused 6 Ground 14 Unused 7 Ground 15 Unused 8 Negative AUI Differential Receive 16 Unused Parallel Interface Connector and icon 0000000000000 00000000 Pin Signal Pin Signal Pin Signal 1 Strobe 7 Data Bit 5 13 Select 2 Data Bit O 8 Data Bit 6 14 Auto Linefeed 3 Data Bit 1 9 Data Bit 7 15 Error 4 Data Bit 2 10 Acknowledge 16 Initialize Printer 5 Data Bit 3 11 Busy 17 Select IN 6 Data Bit 4 12 Paper End 18 25 Signal Ground A 2 433611 001 Service Reference Guide dx7300 Connector Pin Assignments Serial Interface Powered and Non Powered Connector and Icon Pin Signal Carrier Detect 12V if powered 2 Receive Data 00000 3 Transmit Data 0000 4 Data Terminal Ready 5 Signal Ground 6 Data Set Ready 7 Request to Send 8 Clear to Send 9 Ring Indicator 5V if powered USB Connector and Icon Pin Signal 1 5 VDC 2 Data 4 Ground Microphone Connector and Icon 1 8 miniphone Pin Signal 1 Tip Audio_left iad O 2 Ring Power_Right 3 Shield Ground Headphone Connector and Ico
229. used by itself to secure the access panel to the computer chassis A padlock may also be used with a security cable to secure the computer to a fixed object Service Reference Guide dx7300 433611 001 6 3 Removal and Replacement Procedures Microtower MT Chassis 6 3 Access Panel 1 Prepare the computer for disassembly Section 6 1 EN CAUTION Before removing the computer access panel ensure that the computer is turned off and that the power cord is disconnected from the electrical outlet 2 Loosen the captive thumbscrew O that secures the access panel to the computer chassis 3 Slide the access panel back about 1 inch 2 5 cm then lift it off the unit You may want to lay the computer on its side to install internal parts Be sure the side with the access panel and pull grip is facing up To install the access panel reverse the removal procedure 6 4 433611 001 Service Reference Guide dx7300 Removal and Replacement Procedures Microtower MT Chassis 6 4 Front Bezel 1 Prepare the computer for disassembly Section 6 1 2 Remove the access panel Section 6 3 3 To remove the front bezel press in on the two bottom tabs on the left side of the bezel O so that they release from the chassis Then press in on the upper tab on the left side of the bezel so that it releases from the chassis The bezel will rotate out slightly from left to right CAUTION Do not over rotate or try to
230. uter powered off automatically and the Power LED flashes Red two times once every second followed by a two second pause and the computer beeps two times Beeps continue for five iterations after which the LED flashes Processor thermal protection activated A fan may be blocked or not turning OR The heatsink fan assembly is not properly attached to the 1 Ensure that the computer air vents are not blocked and the cooling fan is running 2 Open hood press the power button and see if the processor fan spins If the processor fan is not spinning make sure the fan s cable is plugged onto the system board header will continue until the processor E problem is resolved 3 If the fan is pugged in and seated but not spinning replace the processor fan Service Reference Guide dx7300 433611 001 D 5 Troubleshooting Without Diagnostics Solving Power Supply Problems Continued Problem Solution Power LED flashes Red four times once every second followed by a two second pause and the computer beeps four times Beeps continue for five iterations after which the LED flashes will continue until the problem is resolved Power failure power supply is overloaded 1 Check that the voltage selector some models is set to the appropriate voltage Proper voltage depends on the region Open the hood and ensure the 4 or 6 wire power supply cable is seated into the connector on
231. uter to Wake on LAN from suspend or hibernation but will prevent it from waking from S5 via the network It does not affect operation of the network connection while the computer is on e If a network connection is not required completely disable the network controller NIC by using the arrow left and right keys to select the Security gt Device Security menu Set the Network Controller option to Device Hidden This prevents the network controller from being used by the operating system and reduces the power used by the computer in S5 Processor cache enable disable Unique Sleep State Blink Patterns Allows you to choose an LED blink pattern that uniquely identifies each sleep state e 3 blinks followed by 2 sec pause 3 e 4 blinks followed by 2 sec pause 4 Integrated Video enable disable Allows you to use integrated video and PCI Up Solution video at the same time available on some models only Qy After Integrated Video is enabled and changes saved a new menu item appears under Advanced to allow you to select the primary VGA controller video device Inserting a PCI or PCI Express video card automatically disables Integrated Video When PCI Express video is on Integrated Video must remain disabled Internal speaker some models enable disable does not affect external speakers e Monitor Tracking enable disable Allows BIOS to save monitor asset information Qy Support for specific Comput
232. vice Reference Guide dx7300 Removal and Replacement Procedures Slim Tower ST Chassis 7 4 3 Padlock A padlock may be used by itself to secure the computer cover to the computer chassis A padlock may also be used with a security cable to secure the computer to a fixed object Service Reference Guide dx7300 433611 001 7 7 Removal and Replacement Procedures Slim Tower ST Chassis 7 5 Computer Cover 1 Prepare the computer for disassembly Section 7 1 CAUTION Before removing the computer cover ensure that the computer is turned off and that the power cord is disconnected from the electrical outlet 1 Press the buttons on the left and right sides of the computer O 2 Slide the computer cover towards the front of the computer until it stops then lift it up and off the chassis To install the computer cover reverse the removal procedure 7 8 433611 001 Service Reference Guide dx7300 Removal and Replacement Procedures Slim Tower ST Chassis 7 6 Front Drive Bezels 1 Prepare the computer for disassembly Section 7 1 2 Remove the computer cover Section 7 5 3 Remove the drive bezel by pushing the top tab on the right side of the larger front bezel as shown and rotating the drive bezel away from the larger front bezel Q The drive bezel will vary depending on the computer configuration 4 Install a bezel or a bezel blank by pushing the bezel into place
233. wall using the two screws that were removed from the serial connector in a previous step Reconnect the Serial A cable to the system board G e N g2 17 Install the system board tray assembly Be sure the keyhole slot on the system board sits properly over the locking pins When the system board is in position replace the long mounting screw to secure the system board to the chassis 18 Install the chassis fan and connect the control cable to the system board 19 Reconnect all power and data cables to the system board Be sure to use proper cable handling and placement precautions 20 Install the power supply Rotate it to its normal operating position Be sure to use proper cable handling and placement precautions 21 Install the full height PCI expansion card in the available slot in the new PCI riser card cage assembly 22 Install the new PCI riser card cage assembly on the new backwall by aligning the cage with the guide rails on the backwall Press down firmly on the cage to secure it in place on the backwall Be sure the riser card in the cage is properly seated in the PCI expansion slot on the system board A 7 22 433611 001 Service Reference Guide dx7300 Removal and Replacement Procedures Slim Tower ST Chassis 23 Rotate the drive cage back down to its normal position Be sure to use proper cable handling and placement precautions CAUTION Cobles are very sensitive Overbendin
234. ware and software lifecycle management from a single Web based management console It combines HP Client Manager HP Systems Insight Manager Connector HP OpenView Connector Altiris Client Management Suite Level 1 Altiris Connector Solution Altiris Local Recovery Pro Altiris AuditExpress For more information on HP Client Management Premium Suite visit http www hp com go easydeploy 3 3 6 HP Client Foundation Suite The HP Client Foundation Suite HP CFS is designed for organizations wanting essential client management functionality It combines E HP Client Manager E HP Systems Insight Manager Connector Service Reference Guide dx7300 433611 001 3 5 Desktop Management 3 3 7 3 3 8 Altiris Migration Suite Altiris Local Recovery Pro For more information about the HP Client Foundation Suite visit http www hp com go easydeploy HP OpenView Client Configuration Manager HP OpenView Client Configuration Manager is a simplified out of the box and easy to use solution that solves immediate PC software configuration management needs MH Integrated software management d Inventory collection T Operating system deployment and settings migration 1 Patch management LY Software distribution T Software usage metering E Integrated hardware management T Remote control HP alert monitoring HP hardware driver and BIOS updates Integration with HP ProtectTools Free add on support for Intel Active
235. ystem recovery in the unlikely event of a ROM flash failure For example if a power failure were to occur during a BIOS upgrade the ROM flash would be incomplete This would render the system BIOS unusable The Boot Block is a flash protected section of the ROM that contains code that checks for a valid system BIOS image when the system is turned on E Ifthe system BIOS image is valid the system starts normally E Ifthe system BIOS image is not valid a failsafe Boot Block BIOS provides enough support to search removable media for BIOS image files If an appropriate BIOS image file is found it is automatically flashed into the ROM When an invalid system BIOS image is detected the system power LED will blink red 8 times one blink every second Simultaneously the speaker will beep 8 times If the portion of the system ROM containing the video option ROM image is not corrupt Boot Block Emergency Recovery Mode will be displayed on the screen To recover the system after it enters Boot Block Emergency Recovery Mode complete the following steps 1 Turn off the power 2 Insert a diskette CD or USB flash device containing the desired BIOS image file in the root directory Q Note The media must be formatted using the FAT12 FAT16 or FAT32 file system 3 Turn on the computer If the system successfully reprograms the ROM the system will automatically power off 4 Remove the removable media used to upgrade the BIOS 5

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