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HP Compaq Professional 5000 series Troubleshooting

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1. 2 Try printing using the DOS command DIR Ci gt printer port If printer works reload printer driver 3 If the computer is on a network you may not have made the connection to the printer Make the proper network connections to the printer Reconnect all cables and check the power cord and electrical outlet 1 The correct printer drivers for the application are not installed Install the correct printer driver for the application 2 The cables may not be connected properly Reconnect all cables The printer may be out of paper Check the paper tray and refill it if it is empty Select online Possible Solution The IDE drive needs to be disabled Under the Computer Setup Advanced menu disable the primary IDE controller 1 The SCSI drive is not configured correctly 2 Ensure that drive cabling and jumpers are set correctly To boot a SCSI drive the drive ID number must be set to 0 3 See No O S Loading from Hard Drive Flowchart Quick Troubleshooting Guide A 7 Hardware Installation 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 95 and 98 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 95 and 98 select the Add New Hardware icon in the Contro
2. Computer boot Go to Page 3 13 to P 1 No O S Loading Nor from from Hard Brive Part3 Hard Drive Part 3 Note Refer to the Customer Responsibilities section of this document and the customer service contract Troubleshooting Flowcharts for Portable Computers 12 No 0 S Loading from Hard Drive Part 3 Continued from Page 3 12 No O S Loading from Hard Drive Part 2 System Install O S files on hard and reboot drive see note O S loading from ard drive Virus Y on hard drive Clean virus see note Done Run SCANDISK check for bad sectors F10 diags on diskette Y Replace hard drive Can bad sectors be fixed N Replace Run diags hard drive and follow recommendations Y Fix bad sectors Boot from Replace hard drive hard drive Quick Troubleshooting Guide 3 13 13 No 0 S Loading from Diskette Drive O S not loading Reseat gt Y from diskette drive Pee pong N Bootable diskette in drive Non System Disk message N Install bootable diskette and reboot computer Check diskette for system files Try different diskette Boot N Go to Page 3 18 from another Non Functioning device Device 1 Replace diskette d Faner d Enable drive and Non System Y drive ee cold boot Disk error 2 Replace system boa
3. Replace the hard drive POST Error Messages Continued Screen Message 1793 Secondary Controller or Disk Failure 1800 Temperature Alert 1801 Audible Audible Flashing Caps Lock LED on Keyboard Flashing Num Lock LED on Keyboard Num Lock LED on Keyboard Flashing Scroll Lock LED on Keyboard L Long S Short continued Beeps None None None 1L 3S 2S 1L 2S 1S 2L None 2L 1S Probable Cause Hard drive circuitry error Internal temperature exceeds specification Processor not supported by ROM Bios System ROM is bad system is running in Failsafe Boot Block mode Power on successful Graphics controller not present or incorrectly initialized System memory not present Failed Boot Block System board hardware failure prior to video Recommended Action 1 Run Computer Setup F10 Setup Clear CMOS Check cable seating jumper settings Run hard drive diagnostics Disconnect additional drives Run the Drive Protection System test if available 7 Replace the hard drive 1 Check that computer air vents are not blocked and cooling fan is running 2 Verify processor speed selection 3 Replace the processor 4 Replace the system board Upgrade Bios to proper version Reflash the ROM using a ROMPaq diskette Refer to the Failsafe Boot Block ROM section of the Software Reference Guide None Clear CMOS 2 If gra
4. write protected or disable the write protection on the diskette Writing to the wrong drive Check the drive letter in the path statement Not enough space is left on the diskette Use another diskette 5 Diskette write control is enabled Check the Removable Media write settings in Computer Setup Invalid media reported When formatting a diskette in DOS you may need to specify diskette capacity For example to format a 1 44 MB diskette type the following command at the DOS prompt FORMAT A F 1440 1 Diskette is not formatted Format the diskette Using the wrong diskette type for the drive type Check the drive type and use a compatible diskette Reading the wrong drive Check the drive letter in the path statement Diskette drive has been disabled by Computer Setup Windows NT Windows 95 98 or 2000 utilities Run Computer Setup and enable the diskette drive The system is trying to start from a nonsystem diskette Remove the diskette from the drive Diskette MBR validation enabled Disable the MBR validation option 1 Check the cables for loose connections If a second diskette drive has been installed follow the computer reconfiguration directions in the Hardware Installation Problems section See Non Functioning Device Flowchart Diskette Drive Continued Problem A problem has occurred with a disk transaction System has misidentified the diskette drive type Hard Dr
5. unplug PCI cards Reconnect devices one at a time to identify the cause 2 Diskette drive power cable not properly connected Ensure that all 4 pins on the drive are connected to the power cable connector 3 Power supply shuts down after system warms up Thermal overload caused by bad fan Replace power supply 4 Power supply will not turn on because of internal power supply fault Replace power supply Power supply shuts down 1 Power line selector switch on rear of computer set to wrong voltage intermittently Select the proper AC voltage 115V or 230V 2 Power supply will not turn on because of internal power supply fault Replace power supply Quick Troubleshooting Guide A 3 Diskette Drive Problem Diskette drive light stays on Diskette drive cannot write to a diskette Cannot format diskette Diskette drive cannot read a diskette Non system disk message Drive not found A 4 Further Troubleshooting Possible Solution 1 OP GN Diskette is damaged In Windows 95 98 or 2000 run ScanDisk In Windows NT run Error checking Diskette is incorrectly inserted Remove the diskette and reinsert Software program may be damaged Check the program diskettes Drive button is not pushed in Push in drive button Drive cable is not properly connected Reconnect drive cable Diskette is not formatted Format the diskette 2 Diskette is write protected Either use another diskette that is not
6. 7 3 8 7 No Video Part 2 Continued from Page 3 7 No Video Part 1 Remove PC from docking station ee Check brightness of Adjust internal external monitor monitor brightness Go to page 3 7 Video OK No Video Part 1 Video OK Check for PC properly Try another seated in docking station external bent pins on cable and for monitor monitor connection Video OK N Go to page 3 9 Adjust external Non Functioning monitor brightness Docking Station Internal and external video OK Done Troubleshooting Flowcharts for Portable Computers 8 Non Functioning Docking Station Reseat power cord in docking station and power outlet Reinstall PC into docking station Check voltage setting on docking station Docking Reseat monitor cable station connector at docking operating station Done Replace these items one at a time Check computer operation after Docking each replacement station 1 Power supply Qperating 2 I O board 3 Backplane board 4 Switch box 5 Docking motor mechanism Remove PC reseat all internal parts and replace any damaged items in docking station Quick Troubleshooting Guide 3 9 9 No 0 S Loading O S not loading from Hard drive go to Page 3 11 Diskette drive go to Page 3 14 CD ROM drive go to Page 3 15 Network go to Page 3 20 NOTE Before beginning always check drive jumpers cable conn
7. EE eee 2 5 SENO Video Part loaren ea a bs ede Seed ES ess deed ee 2 6 6 No Video Part 2 rrrrnnnnnnrrrnrrrrnnsnnnrrrnnrserrsnnnnnrnnessernnnnnrrnnesssnnnnnnnrnnsssnnnnnnnnrnnsnsssnnnnnnrnnssssennnnn 2 7 AATDAN a 110E 1V a 3 oe EAEE EI EN E eanet liene 2 8 8 Error Messages Part Ls ics icssehasitacaseteupeti ess coavenss poeutsasaausesvagotessaanas e a E a a i a 2 9 9 Error Messages Part 2 ancica anaiena ae aa Eola A neniau A a E E ASAREE 2 10 10 Error Messages Part 3 0 s ciccesseseebissevseds aus casbecsetisersdonsdigavecee isos visesbeadevesteseastsdenadacdeesees 2 11 EE NO O S Loading akan ske ed icant un reir 2 12 12 No O S Loading from Hard Drive Part 1 eennrnrnnnnennrnrenvnennrnnenvnennrnsenrnernrnsennnssnrnsennnssnrne 2 13 13 No O S Loading from Hard Drive Part 2 renrnronnnnenrnnenvnnenrnnenvnnenrnnenvnnenrerenrnsenresenrevenner 2 14 14 No O S Loading from Hard Drive Part 3 eennrnrnrnronrnrenrnrrnrnennrnernrnsenrnennrnsenrnssnrnsenrnssnree 2 15 15 No O S Loading from Diskette Drive srrennrvnnrvvnrvrnrnrnvnrnvnrnvnnrvvnevvernensnerevarevervrarvrernrernr 2 16 16 No O S Loading from CD ROM Drive rrvrnvnnnnrnnnrrrnrnvvnnvvnvenrnvnnevvnsvvernensnanevareversvarsrasvenenr 2 17 17 No O S Loading from Network 0 0 cece cece ceeeseeeseeeseeeseeeseeesecnsecssecseecseeeseeeaeenseeeaees 2 18 18 Non Functioning Devices csi c vscesesicsessetesseacassgsestaecssenseseaseedsucasacauscasdedaaticectuscenalsesbesedeedeus 2
8. POST to determine if the computer is operational and ready to accept an operating system The normal checking procedure for POST includes 1 BIOS memory is tested and initialized the first 128K of RAM is not displayed If the system does not pass the first memory check an immediate error message is displayed and the initialization process stops The cause of a failure at this stage might be a problem with the ROM the system board the CPU or memory 2 The system board and bus devices are quick tested to determine if the interrupt controllers DMA controllers keyboard controller video display controller interval timers diskette drive controller serial and parallel port controller and fixed disk controller are all properly installed and are functioning properly 3 The remaining memory is tested and the count displayed on the monitor only when starting the machine from the off mode You should verify that the memory displayed corresponds with the memory installed in the computer 4 The keyboard drives and their controllers are initialized and tested Test results are shown via the LEDs on the keyboard and computer case 5 CMOS memory is checked for configuration time and date If the CMOS memory parameters do not match the actual system configuration a 162 System Options error or a System CMOS error will be displayed with instructions for restarting the computer 6 The speaker will sound two short beeps or will displ
9. blade screwdrivers Loopback plugs Write protected bootable diskette Anti static wrist strap Tools Required Notebooks Magnetic flat blade screwdriver Torx T 8 and T 10 screwdrivers 3 16 inch and 7 mm hex sockets or nut drivers Security wrench Loopback plugs Write protected bootable diskette Anti static wrist strap Protecting Yourself and the Computer Turn the computer off before disconnecting or installing any cables When the computer is connected to an AC power source there is always voltage 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 For personal safety and to ensure that the computer does not overheat Compaq recommends that you install the computer cover or access panel before turning on the computer Quick Troubleshooting Guide 1 1 m The screws used in the computer are of different thread sizes and lengths using the wrong screw in an application may damage the unit m All data stored on a hard drive is lost when the drive is formatted Clearing CMOS Qu This procedure does not apply to portable computers 1 Turn off the computer and any peripheral devices that are connected to it 2 Disconnect the power cord from the electrical outlet and then from the computer AN GAUTION The cooling fan is off only when the computer is turned off and the power cable has been disconnected The cooling fan
10. bus speeds 1 Run computer Setup F10 Setup or Windows utilities 2 Ensure memory and continuity modules are installed correctly 3 Verify proper memory module type 4 Remove and replace memory module s one at a time to isolate faulty module 5 Replace the faulty memory module s 6 If error persists after replacing memory modules replace the system board Replace memory modules with matched sets 1 Verify proper memory module type 2 Try another memory socket Replace memory module if problem persists continued POST Error Messages Continued Screen Message 212 Failed Processor 213 Incompatible DIMM Module in DIMM Socket s X X 214 Memory Device Failure Error Code XX Memory Module Socket s XX 301 Keyboard Error 304 Keyboard or System Unit Error 401 Parallel Port 1 Address Assignment Conflict 403 Parallel Port 3 Address Assignment Conflict 404 Parallel Port Address Conflict Detected L Long S Short Beeps None 2S None None None 2S 2S 2S Probable Cause Processor has failed to initialize A DIMM module in DIMM socket identified in the error message is missing critical SPD information or is incompatible with the chipset A specific error has occurred in a RDRAM device installed in the identified socket Keyboard failure Keyboard failure IRQ address conflicts with another device IRQ address conflicts with another
11. diskettes The files containing the network drivers are corrupted Reinstall the network drivers using backup diskettes The cable is not securely connected or is attached incorrectly 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 network controller is defective Replace the network controller or system board The network controller is not configured properly Run Computer Setup and modify the Embedded NIC Settings Boot the workstation without the network drivers using a system boot diskette and reconfigure the controller 2 Replace the controller 3 Replace the system board Resolving Audio Hardware Conflicts Hardware conflicts occur when two or more peripheral devices contend for the same signal lines or channels Conflicts between the audio interface and another peripheral device may be due to the settings of the base I O addresses interrupts or DMA channels The audio interface typically has the following settings Item Setting Base I O address 220H FM Synthesizer I O address 388 38Bh Interrupt IRQ 5 8 bit DMA Channel 1 To resolve hardware conflicts 1 Change the hardware settings of your audio card or the peripheral card in your system if the peripheral card is using the audio interface setting You can change settings for integrated audio using Computer Setup 2 If you are unsure of the setting
12. 19 chapter 3 Troubleshooting Flowcharts for Portable Computers 1 Initial Troubleshooting sssini tuavedecndautvsooy ha dsaederessevenedvece 3 2 2 No Power Part EEEIEE EEE AEEA E E EEES 3 3 SANG ODUA EA T 5 EA E ONEI eek E S E seeds E E ES 3 4 4 No Power Part ES EEEE AATE E AE ee neta EA eR 3 5 De NO Power eT nE PEAP EN OEP SAAE E E aa Seals E E ES 3 6 6 No Video Part 1 MEEA A EEE AEE E EEEE ASEE AEE E E EEE 3 7 T NO Video Part Bursa AE EE Beet ten ed EESE E EAT E E ee 3 8 8 Non Functioning Docking Station ssrrrnrrvvnrvonrnvnrvrnvnanevenvvnrnrernenrnrnenreenesevesvvesnresvresnsssveser 3 9 9 NO O S Loading iiss arae a neta eE E E N dear E nd E A aE a 3 10 10 No O S Loading from Hard Drive Part 1 eennrnrnnrnnnnrnrenrnennrnennrnernrnsenrnennrnsenrnssnrnsenrnssnree 3 11 Quick Troubleshooting Guide iii 11 No O S Loading from Hard Drive Part 2 eenrnrnnvnernrnrenvnennrnernrnernrnsenrnennrnsenvnssnrnsennnssnree 3 12 12 No O S Loading from Hard Drive Part 3 eenrnronrnnenrnnenvnnenrnnenvnnenrnnenrnvenrerenrnsenresenrnsenner 3 13 13 No O S Loading from Diskette Drive snrrenorvvnnnvnrvrnrnrnvnrnvnrnvnnevnnevvnrnrnrnrneverevesvresvrernreren 3 14 14 No O S Loading from CD ROM or DVD ROM Drive mevrrvvnrvvnrnvnrvvnrvvnrnvnrvrnrvenevarevervverer 3 15 15 No Audio Part Taste see 3 16 16 No Aud10 Part Lu kikke s re hata seie kosakkene MRR he NAT 3 17 17 Non Functioning Device ssiri aiaei aa stas iaa atosi aiia
13. CD ROM drive 2 Diskette drive 3 Hard drive 4 Network Go to Page 2 19 Correct boot order Non Functioning Device see notes 2 18 Troubleshooting Flowcharts for Desktop Computers 18 Non Functioning Device Non functioning device Caution Power is continuous to the system board and power supply even when the power switch is turned off To prevent damage to the unit Turn off power disconnect disconnect the power cord from the power cord and open the power source or the unit before computer beginning disassembly procedures Unplug the power and data cable from the non functioning device Inspect cables and plugs for bent or broken pins or other damage For a NIC or SCSI controller remove the expansion card and inspect leads Any physical damage Y Fix or replace broken item N Hard drive or CD ROM drive Clear CMOS RUN DPS HARD DRIVE TEST hard drive only e Check IDE drive jumper settings for Cable Select and Primary Secondary status N e Check SCSI drive ID and termination e Correct any conflicts Go to Page 2 12 No O S Loading Reattach drive Close computer plug in power and reboot Drive boots properly NIC Possible bad NIC replace card If integrated NIC replace system board Drive boots properly Diskette drive Possible bad diskette drive Replace drive Quick Troubleshooting Guide 2 19 chapter 3 TROUBLESHOOTING FLOWCHA
14. COMPAQ Quick Troubleshooting Guide Compaq Deskpro Family of Personal Computers Compaq Deskpro Workstations Compaq Professional Workstations Compaq Armada Notebooks Compaq Prosignia Notebooks Notice The information in this guide is subject to change without notice COMPAQ COMPUTER CORPORATION SHALL NOT BE LIABLE FOR TECHNICAL OR EDITORIAL ERRORS OR OMISSIONS CONTAINED HEREIN NOR FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES RESULTING FROM THE FURNISHING PERFORMANCE OR USE OF THIS MATERIAL This guide contains information protected by copyright No part of this guide may be photocopied or reproduced in any form without prior written consent from Compaq Computer Corporation 2000 Compaq Computer Corporation All rights reserved Printed in the U S A COMPAQ the Compaq Logo and Deskpro Registered in the U S Patent and Trademark Office PREMIER SOUND is a trademark of Compaq Computer Corporation Microsoft MS DOS Windows Windows NT and other names of Microsoft products referenced herein are trademarks or registered trademarks of Microsoft Corporation Intel and Pentium are registered trademarks of Intel Corporation Celeron and MMX are trademarks of Intel Corporation Product names mentioned herein may be trademarks and or registered trademarks of their respective companies The software described in this guide is furnished under a license agreement or nondisclosure agreement The software may be used or copied only in
15. Disable SafePost 3 If the expansion card does not respond replace the card N Run Computer Setup F10 Setup Reset the date and time under Control Panel If the problem persists replace the RTC battery continued Quick Troubleshooting Guide B 1 POST Error Messages Continued Screen Message 163 Time amp Date Not Set 2S Beeps 164 Memory Size Error 2S 183 Invalid Processor 2S Jumper Setting 201 Memory Error None 202 Memory Type Mismatch None 207 ECC Corrected Single 2S Bit Errors in DIMM SIMM Pair s X X in Memory Socket s y y L Long S Short B 2 POST Error Messages Numbered Probable Cause Invalid time or date in configuration memory RTC real time clock battery may need to be replaced Battery life is approximately 3 years CMOS jumper may not be properly installed Memory configuration is incorrect System board jumper improperly set RAM failure Memory modules do not match each other Single Bit ECC error Recommended Action Set the date and time under Control Panel If the problem persists replace the RTC battery Check for proper placement of the CMOS jumper 1 Run Computer Setup F10 Setup or Windows utilities 2 Make sure memory module s if any are installed properly 3 Verify proper memory module type 4 If third party memory has been added test using Compaq only memory Reset system board jumpers to match processor and
16. Port1 Address 2S Conflict Detected 1152 Serial Port2 Address 2S Conflict Detected 1155 Serial Port Address 2S Conflict Detected 1201 System Audio Address 2S Conflict Detected L Long S Short continued Probable Cause Integrated video controller display cache not working properly and will be disabled Hood lock mechanism is missing or not connected Processor heatsink cable not connected to system board Riser board not seated or not installed Both external and internal serial ports are assigned to COM1 Both external and internal serial ports are assigned to COM2 Both external and internal serial ports are assigned to same IRQ Device IRQ address conflicts with another device Recommended Action Replace system board if minimal video degrading is an issue No action required 1 Reconnect or replace hood locking mechanism 2 Reseat or replace hood locking mechanism cable Reseat or replace the processor heatsink cable going to the system board Install riser board if missing or remove and reseat to ensure good connection 1 Remove any Comm port expansion cards Clear CMOS 3 Reconfigure card resources and or run Computer Setup F10 Setup Run Computer Setup or Windows utilities 1 Remove any Comm port expansion cards Clear CMOS Reconfigure card resources and or run Computer Setup F10 Setup Run Computer Setup or Windows utilities 1 Remove any Comm p
17. RAM Media Type Keyboard Controller Error Keyboard Error Operating System Not Found Parity Check 1 Parity Check 2 Real Time Clock Error System Battery is Dead Post Error Messages Not Numbered Probable Cause Drive A or B is present but fails the BIOS POST diskette tests Extended memory is not working or is not configured properly nnn is a map of the bits at the RAM address which failed the memory test Hard drive is not working or is not configured properly Hard drive is not working or is not configured properly Type of diskette in drive A is not correctly identified Problem with NVRAM CMOS access Keyboard I O keyboard controller on system board or mouse error Keyboard I O keyboard controller on system board or mouse error Operating system cannot be located on either drive A or C Parity error found in the system bus Parity error found in the I O bus Real time clock fails BIOS test RTC battery is dead Recommended Action 1 Run Setup 2 Replace the signal cable 3 Replace the drive 1 Replace the memory modules 2 Replace the system board 1 Run Setup 2 Replace the system board 1 Run Setup 2 Replace the signal cable 3 Replace the hard drive 1 Run Setup 2 Replace the system board 1 Run Setup 2 Replace the diskette drive Replace the system board 1 Replace the keyboard 2 Replace the mouse 3 Repl
18. RTS FOR PORTABLE COMPUTERS NO FOC ON VO eR Oh IN 10 11 12 13 14 15 16 17 18 19 Initial Troubleshooting 3 2 No Power Part 1 3 3 No Power Part 2 3 4 No Power Part 3 3 5 No Power Part 4 3 6 No Video Part 1 3 7 No Video Part 2 3 8 Non Functioning Docking Station 3 9 No O S Loading 3 10 No O S Loading from Hard Drive Part 1 3 11 No O S Loading from Hard Drive Part 2 3 12 No O S Loading from Hard Drive Part 3 3 13 No O S Loading from Diskette Drive 3 14 No O S Loading from CD ROM or DVD ROM Drive 3 15 No Audio Part 1 3 16 No Audio Part 2 3 17 Non Functioning Device 3 18 Non Functioning Pointing Device or Keyboard 3 19 No Network or Modem Connection 3 20 Quick Troubleshooting Guide 3 1 1 Initial Troubleshooting Begin Troubleshooting N Is there Go to Page 3 3 power No Power Y Beeps N Ne oe ene te Be essages g All dri N Go to Page 3 18 Y nas Non Functioning WOrsng Device N Is there video Go to Page 3 7 no boot No Video Y N Keno Go to Page 3 19 Y Mouse Keyboard Mouse working N Is the O S Go to Page 3 10 loading No O S Loading Y N X Connecting Go to page 3 20 y Network or to network 2 Modem N or modem c onnection Is there sound Go to page 3 16 No Audio Y End 3 2 Troubleshooting Flowcharts for Portable Computers 2 No Power Part 1 No Power Power LED is of
19. WOL cable is connected if applicable Network controller is disabled Run Computer Setup and enable network controller No active network is detected Check cabling and network equipment for proper connection Network connection is not set up properly Use the network control application to verify that the device is working properly System is configured for AUI connection link LED does not apply to AUI connections 4 Network driver is not properly loaded Reinstall network drivers 5 System cannot autosense the network Disable autosensing capabilities and force the system into the correct operating mode The cable is not securely connected or is attached incorrectly 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 There is a problem with the cable or a device at the other end of the cable Ensure that the cable and device at the other end are operating correctly The network controller is defective Replace the controller or the system board Network controller interrupt with an expansion board Under the Computer Setup Advanced menu change the resource settings for the board Network drivers are not loaded or driver parameters do not match current configuration Make sure the network drivers are loaded and that the driver parameters match the configuration of the network controller The network controll
20. accordance with the terms of the agreement Quick Troubleshooting Guide Compaq Deskpro Family of Personal Computers Compaq Deskpro Workstations Compaq Professional Workstations Compaq Armada Notebooks Compaq Prosignia Notebooks Second Edition July 2000 Part Number 120205 002 Compaq Computer Corporation Printer s Mark CONTENTS chapter 1 General Service Information Troubleshooting Procedures inrer e rs i a R R rie 1 1 Tools Required Desktop Computers and Workstations rrrenrnronrnnenvnnernrnenrenernrneenrnsenrnsenrere 1 1 Tools Required Notebooks aries E AE E EREE AEE Ka 1 1 Protecting Yourself and the Computer snrnronnnnonrnnenvnnenranennnnenrnnenrnnenrnsennnsenrnssnnsnsnnansnnnsennsser 1 1 Clearing CMOS eiin e a RA cca e r a a a eoa 1 2 Customer Responsibilities ehee eae eT E o a EE EN E a a a E E ELETR 1 2 POST Power On Sequence sipine n a A A A AE E E EAA a EAS 1 3 Compaq Drive Protection Systemisransmansdr grim Gade E EEE E e 1 3 Accessing DPS Through Compaq Diagnostics for Windows reeenrnrnnrnnenrnvernrnsnranernrnsrnsneen 1 4 Compaq Configuration Record Utility eeeescecsseeceseecsseeceseeceeeceeecseeseaeecseesenecseeeeeaeees 1 4 chapter 2 Troubleshooting Flowcharts for Desktop Computers 1 Initial Troubleshooting ananin ieii s aE E E E E E SEET 2 2 2 NO Power eNEAN EPELA TEE EE ATTA A A E E E E E EE 2 3 Bs NO Power Part2 oei in khas esken E EA O Rss N 2 4 4ENOROWer Pare FS ETETE TEE
21. ace the system board 1 Replace the keyboard 2 Replace the mouse 3 Replace the system board Run Setup 1 Run Setup 2 Replace the memory modules 3 Replace the system board 1 Run Setup 2 Replace the ISA board modem Replace the system board 1 Replace the RTC battery 2 Run Setup Continued POST Error Messages Continued Error message System BIOS Shadowed System Cache Error System CMOS Checksum Bad System RAM Failed at Offset nnn System Timer Error UMB Upper Limit Segment Address nnn Video BIOS Shadowed Probable Cause System BIOS copied to Shadow RAM RAM cache failed the BIOS test CMOS is corrupted or modified incorrectly System RAM failed DMA timers etc Displays the address nnn of the upper limit of Upper Memory Blocks indicating released segments of the BIOS Video BIOS successfully copied to shadow RAM Recommended Action Status message No action required Run Setup Run Setup Replace memory modules Replace the system board Status message No action required Status message No action required Quick Troubleshooting Guide C 3
22. age Run the Drive Protection System test available 2 Apply firmware patch if applicable 3 Back up contents and replace hard drive 1 Determine if hard drive is giving correct error message Run the Drive Protection System test available 2 Apply firmware patch if applicable 3 Back up contents and replace hard drive 1 Remove any Comm port expansion cards 2 Clear CMOS Reconfigure card resources and or run Computer Setup F10 Setup 1 Remove any Comm port expansion cards 2 Clear CMOS Reconfigure card resources and or run Computer Setup F10 Setup POST Error Messages Continued Screen Message Beeps 1780 Disk 0 Failure None 1781 Disk 1 Failure None 1782 Disk Controller None Failure L Long S Short continued Probable Cause Hard drive format error Hard drive format error Hard drive circuitry error Recommended Action 1 Run Computer Setup F10 Setup Clear CMOS Check cables jumper settings Run hard drive diagnostics Disconnect additional drives 2 aR wD Run the Drive Protection System test if available 7 Replace the hard drive 1 Run Computer Setup F10 Setup Clear CMOS Check cable seating jumper settings Run hard drive diagnostics Disconnect additional drives Run the Drive Protection System test if available 7 Replace the hard drive 1 Run Computer Setup F10 Setup Clear CMOS 3 Check cable seating jumpe
23. agnostics for Windows To access DPS through Compaq Diagnostics for Windows perform the following steps 1 Turn on the computer and select My Computer Control Panel gt Compaq Diagnostics A choice of five possible headings appears in the Diagnostics screen Overview Test Status Log and Error 2 Select Test gt Type of Test A choice of three tests appear Quick Test Complete Test and Custom Test 3 Select Custom Test A choice of two test modes is offered Interactive Mode and Unattended Mode 4 Select Interactive Test Storage Hard Drives 5 Select the specific drive s to be tested Drive Protection System Test Begin Testing When the test has been completed one of three messages will be displayed for each of the drives tested m Test Succeeded Completion Code 0 m Test Aborted Completion Code 1 or 2 m Test Failed Drive Replacement Recommended Completion Code 3 through 14 If the test failed the completion code should be recorded for help in diagnosing the computer problem Compag Configuration Record Utility 1 4 Compaq Configuration Record Utility is an online information gathering tool similar to other Compaq management tools that run on computers It gathers critical hardware and software information from various sources to give a complete view of the computer Configuration Record Utility delivers comprehensive configuration capture provides a means for automatically identifying and comparing configu
24. ard 6 Replace power supply Check memory module 2 Remove and reseat memory module 3 See the Solving Memory Problems section of this guide Reseat processor in system board Run Computer Setup and Diagnostic Utilities appendix C POST ERROR MESSAGES NOT NUMBERED Some Compaq computers have a complete series of POST error messages that no code numbers assigned to them Use the information below for those computers 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 POST checks the following assemblies to ensure that the computer system is functioning properly Keyboard System board Memory modules Video memory Diskette drives Hard drive Power supply POST also detects the type of mass storage devices installed in the computer If POST finds an error in the system an error condition is indicated by an audible and or visual message The following table gives explanations of the error codes and recommended courses of action Q An external speaker must be installed into the speaker output connector to hear audible beeps during POST Quick Troubleshooting Guide C 1 Error message Diskette Drive A or B Error Extended RAM Failed at Offset nnn Failing Bits nnn Fixed Disk 0 or 1 Failure Fixed Disk Controller Failure Incorrect Drive A Type Invalid NV
25. ard Drive Part 2 2 14 No O S Loading from Hard Drive Part 3 2 15 No O S Loading from Diskette Drive 2 16 No O S Loading from CD ROM Drive 2 17 No O S Loading from Network 2 18 Non Functioning Device 2 19 Quick Troubleshooting Guide 2 1 1 Initial Troubleshooting 2 2 Begin Troubleshooting 115 230V set right Is there power Is there video Beeps LEDs or error essages Is the O S loading All drives working New options or software added End Troubleshooting Flowcharts for Desktop Computers Set voltage to 115V or 230V as required Go to Page 2 3 No Power Go to Page 2 6 No Video Go to Page 2 9 Error Messages Go to Page 2 12 No O S Loading Go to Page 2 19 Non Functioning Device Run Compag Configuration Utility see Chapter 1 2 No Power Part 1 No Power Power LED is off Power cord connected Using power strip or UPS Active outlet Turn off power disconnect power cord and open the computer Go to Page 2 4 No Power Part 2 Turn computer off Plug power cord into computer and power outlet Ensure power strip or UPS is turned on Turn computer off Plug power cord into different active wall outlet Restart computer and return to start of this chart Caution Power is continuous to the system board and powe
26. ay the Compaq splash screen when the POST has been successfully completed Refer to the POST error messages when error messages are displayed on the screen or when beep patterns are sounded Compag Drive Protection System The Compaq Drive Protection System DPS is a diagnostic tool built into the hard drives installed in select Compaq Deskpro computers and workstations DPS is designed to help diagnose problems that might result in unwarranted hard drive replacement When Compaq Deskpro Computers and workstations 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 This information may be used to help diagnose the hard drive and the computer system Running DPS will not affect any programs or data stored on the hard drive The test resides in the hard drive firmware and can be executed even if the computer will not boot to an operating system The time required to execute the test depends on the manufacturer and size of the hard drive in most cases the test will take approximately 2 minutes per gigabyte DPS should be used when you suspect a hard drive problem If the computer reports a SMART Hard Drive Detect Imminent Failure message there is no need to run DPS instead back up the information on the hard drive and replace the hard drive Quick Troubleshooting Guide 1 3 Accessing DPS Through Compaq Di
27. blinking Riser not detected Unplug open computer and check and reseat riser board Continued on Page 2 11 Error Messages Part 3 Notes Short S and long L beeps will only be heard if the system has a speaker LEDs will only function on PS 2 keyboards not USB 2 10 Troubleshooting Flowcharts for Desktop Computers 10 Error Messages Part 3 Continued from Page 2 10 Error Messages Part 2 Caution Power is continuous to the system board and power supply even when the power switch is turned off To prevent damage to the unit disconnect the power cord from the power source or the unit before beginning disassembly procedures Error 162 2S Beeps System Option not set Select F1 If error occurs after reboot unplug and open computer and check CMOS jumper setting Error 163 Time amp Date Not Set Set time and date in F10 or boot to O S and set time and date If error occurs after reboot unplug and open computer then check CMOS setting Error 2xx Memory Error See Appendix B for specific definitions Unplug open computer and reseat memory modules Ensure modules are correct type and that they match in size and speed Error 30x Keyboard Error See Appendix B for specific definitions Do not type on keyboard before POST Ensure keyboard connected to proper connector Error 6xx Floppy Error See Appendix B for specific definitions Unplug open computer check diskette drive and check and reseat power an
28. continuous to the system board No Video Part 2 and power supply even when the power switch is turned off To prevent damage to the unit disconnect the power cord from the power source or the unit before beginning disassembly procedures Restart computer See codes or flashing lights or hear beeps Integrated Replace video video card Turn off computer and disconnect power Replace components in system one at a time starting with hard drive Test system after each replacement for Replace Video OK system board video or beeps Troubleshooting Flowcharts for Desktop Computers 8 Error Messages Part 1 Beeps Caution Power is continuous to the system board and power CPU or Keyboard Lights supply even when the power switch is turned off To prevent or POST error messages damage to the unit disconnect the power cord from the power source or the unit before beginning disassembly procedures Power LED has no color showing Computer is off Power LED glows green Computer is on Power LED blinks green 1x second Normal suspend mode Power LED glows red CPU not installed fetching code Power LED blinks red 4x second CPU thermal shutdown Power LED blinks red 1x two or more seconds Power supply crow bar Power and hard drive LEDs glow red Riser board not seated Num Lock LED flashing green Memory error Caps Lock LED flashing green No video Scroll Lock LED flashing green Syste
29. d data cables Error 91x Misc Connection Error See Appendix B for specific definitions Unplug open computer and check hood lock coil thermal sensor pigtail and riser for good connection Error 178x Fixed Disk Error See Appendix B for specific definitions Unplug open computer check hard drive and check and reseat power and data cables Error 1800 Thermal Alert System overheating Let computer cool off Ensure processor has heatsink installed and that speed setting on system board is correct Remove obstructions to air vents All other POST error messages refer to Appendix B for definitions and solutions Notes Short S and long L beeps will only be heard if the system has a speaker LEDs will only function on PS 2 keyboards not USB x Numbers 1 9 Quick Troubleshooting Guide 2 11 11 No 0 S Loading 2 12 O S not loading from CD ROM drive go to Page 2 17 Diskette drive go to Page 2 16 Hard drive go to Page 2 13 Network go to Page 2 18 Troubleshooting Flowcharts for Desktop Computers Factory recommended booting priority 1 CD ROM drive 2 Diskette drive 3 Hard drive 4 Network NOTE Before beginning always check drive jumpers cable connections cable ends and drives for bent or damaged pins 12 No 0 S Loading from Hard Drive Part 1 O S not loading from hard drive Non System Disk Message Boot from CD Remove CD and reboot Boot fr
30. de 3 19 19 No Network or Modem Connection No network modem connection Network Replace jack or modem jack or have jack active activated Digital line Connect te non digital line IC modem Reload drivers configured in OS and reconfigure Done Disconnect all power from PC and open computer Replace NIC modem if applicable Reseat NIC modem if applicable Done Replace system board 3 20 Troubleshooting Flowcharts for Portable Computers appendix A FURTHER TROUBLESHOOTING Preliminary Checklist This section describes some simple preliminary tests and guidelines for troubleshooting the computer without using the diagnostics If you encounter some minor problem with the computer or a software application go through the following checklist for possible solutions before running any of the diagnostic utilities Are the computer and monitor connected to a working electrical outlet 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 Press and hold any key If the system beeps then the keyboard should be 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 neces
31. device Both external and internal ports are assigned to parallel port X Recommended Action 1 y Reseat the processor in its socket If the processor does not respond replace it Verify proper memory module type Try another memory socket 3 Replace DIMM with a module conforming to the SPD standard Verify proper memory module type 2 Try another memory socket 3 Replace memory module if problem persists Reconnect keyboard with computer turned off Check connector for bent or missing pins Ensure that none of the keys are depressed Replace keyboard Reconnect the keyboard with computer turned off Ensure that none of the keys are depressed Replace keyboard Replace system board Reset the IRQ Reset the IRQ Remove any parallel expansion cards 2 Clear CMOS 3 Reconfigure card resources and or run Computer Setup F10 Setup continued Quick Troubleshooting Guide B 3 POST Error Messages Continued Screen Message Beeps Probable Cause Recommended Action 410 Audio Interrupt Conflict 2S IRQ address conflicts with Reset the IRQ another device 411 Network Interface Card 2S IRQ address conflicts with Reset the IRQ Interrupt Conflict another device 501 Display Adapter 1L 2S Graphics display controller 1 Reseat the graphics card if Failure applicable 2 Clear CMOS 3 Verify the monitor is attached and turned on 4 Replace t
32. e cabling and jumpers are set correctly To boot a SCSI drive the drive ID number must be set to 0 See No O S Loading from CD ROM Drive Flowchart CD is not properly seated in the drive Turn off the computer and insert a thin metal rod into the emergency eject hole and push firmly a straightened paper clip can be used Slowly pull the tray out from the drive until the tray is fully extended then remove the CD B N E Remove the drive from the chassis Remove the front bezel from the drive Remove the top and bottom drive covers Release the clamping mechanism to retrieve the CD CD ROM drive is not connected properly or not properly terminated Open the computer and check the drive cable See Non Functioning Drive Flowchart Drive not properly connected or not properly configured Refer to the documentation that came with the optional device Movie may be regionalized for a different country Refer to the documentation that came with the DVD drive Quick Troubleshooting Guide A 9 Memory A 10 Problem System won t boot or does not function properly after installing additional memory modules Out of Memory error Memory count during POST is wrong Insufficient memory error during operation Unit is on but there is no video and the power LED is blinking red Further Troubleshooting Possible Solution Memory module is not the correct type or speed grade for the system Replace modul
33. e with the correct industry standard for the computer SPD compliant 168 pin synchronous dynamic random access 1 Memory configuration may not be set up correctly check memory configuration using Device Manager 2 The computer has run out of memory for the application Check the application documentation to determine the memory requirements Memory modules may not have been installed incorrectly or incorrect memory modules may have been used 1 Too many Terminate and Stay Resident programs TSRs are installed Delete any unnecessary TSRs 2 There is not enough memory for the application Check the memory requirements for the application or add more memory Memory not installed correctly in the computer and system not booting Reinstall memory modules Network Some common causes and solutions for network problems are listed in the following table These guidelines do not discuss the process of debugging network cabling Problem The Remote Wakeup feature is not functioning Network driver does not detect network controller Network status link light does not turn on or flashes Diagnostics reports a failure Diagnostics passes but the computer does not communicate with the network Possible Solution 1 The feature is not available when using an AUI network connection use an RJ 45 network connection Remote Wakeup is not enabled Use the network control application to enable Remote Wakeup Check that
34. earna 3 18 18 Non Functioning Pointing Device or Keyboard srrnvnrnvnnvrnrvrnrnrnrvrernrernrnenerevareverevereveve 3 19 19 No Network or Modem Connection ssrnronrnnenrnnenrnnenrnnennnnenvanennnnennansennnsnnrnsensnssnrnsennnsensee 3 20 appendix A Further Troubleshooting ccccccccccccscsessesesesessesssesesesesecsssesesesesesesesessusseseseseseseeceneneaeaeaeseeees A 1 appendix B POST Error Messages Numbered rsosrrvororrnrrnvrrvrvovoverrrrrnrneveverersrrnsarevevenerersrsnssvevevererenssrsseren B 1 appendix C Post Error Messages Not Numbered onnnnnnnrnrnrnrnrnrnnnnrnrnrnrnrnnnnnnnntntnvnenrnsnsnsenenenrsrnrnsnnn C 1 iv Quick Troubleshooting Guide chapter GENERAL SERVICE INFORMATION The information in this book was prepared for the Compaq Deskpro 2000 Series of Personal Computers with MMX technologies and later models as well as Compaq Deskpro Workstations Compaq Professional Workstations Compaq Armada Notebooks and Compaq Prosignia Notebooks Not all features are available on all Compaq products Troubleshooting Procedures The flowcharts listed in Chapters 2 and 3 use the building block concept where flowchart 1 is the first flowchart to which you should refer If during the debug process you find yourself in a bind refer back to flowchart 1 to determine which potential problems you can rule out Tools Required Desktop Computers and Workstations Torx T 15 and flat
35. ections cable ends and drives for bent or damaged pins 3 10 Troubleshooting Flowcharts for Portable Computers 10 No 0 S Loading from Hard Drive Part 1 O S not loading from hard drive Non Go to Page 3 12 System Disk No O S Loading from Message Hard Drive Part 2 N Reseat external hard drive Go to Page 3 14 No O S Loading from Diskette Drive Boot from diskette Check F10 Setup for correct booting order Change boot priority through Computer Setup and reboot Boot from hard drive Go to Boot from Page 3 18 hard drive Non Functioning Device NOTE Before beginning always check drive jumpers cable connections cable ends and drives for bent or damaged pins Quick Troubleshooting Guide 3 11 3 12 11 No 0 S Loading from Hard Drive Part 2 Continued from Page 3 11 No O S Loading from Hard Drive Part 1 Reseat hard drive 1 Replace hard drive 2 Replace system board CD or diskette in drive Run FDISK Hard drive partition Remove diskette and reboot Create partition then format hard drive to bootable C prompt Boot from hard drive Hard drive formatted Boot N Go to Page 3 14 from diskette No oS drive Loading from Format hard drive Diskette Drive and bring toa bootable C prompt Access hard drive Load O S using Restore CD if applicable see note
36. ectrical outlet 4 The brightness need adjusting Adjust the brightness control 5 The QuickBlank feature has been enabled through Computer Setup Run Computer Setup to disable it The energy saver feature has been enabled Press any key or click the mouse button and if one has been set type the password The RGB Red Green Blue input switch on the back of the monitor is incorrectly set Set the monitor s input switch to 75 ohms and set sync switch to External if applicable System ROM is bad and system is running in FailSafe Boot Block mode indicated by one long beep and three short beeps Reflash the ROM using a ROMPag diskette If a fixed sync monitor is used be sure that the monitor can accept the same sweep rate as the resolution chosen 10 See No Video Flowchart 1 Either the cabling or the monitor impedance is incorrect Ensure that the Red Green and Blue BNC cables are connected to the corresponding monitor connectors Be sure the monitor s RGB inputs are set to 75 ohms 1 Adjust the monitor s brightness and contrast controls Check that the video cable is securely connected to the video card and monitor Set the RGB switch and sync options if available to 75 ohms with the sync set to External Refer to the documentation included with the monitor Monitor without the energy saver feature is being used with energy saver features enabled Disable the monitor energy saver features A scr
37. een blanking utility may be installed or energy saver features may be enabled Press any key or type password If the video controller was upgraded the correct display drivers may not be loaded Install the correct display drivers on the diskette included in the upgrade kit continued Printer SCSI Display Continued Problem The picture is broken up it rolls jitters or blinks Monitor overheats Cursor will not move using arrow keys on the numeric keypad Problem Printer will not print Printer will not turn on Prints garbled information Printer is off line Problem System with IDE and SCSI drives will not boot from SCSI hard drive System will not boot from a SCSI drive Possible Solution 1 Ensure the monitor cable is securely connected to the computer 2 In a two monitor system or if another monitor is in close proximity move the monitors apart to be sure they are not interfering with one other s magnetic field 3 Fluorescent lights or fans may be too close to the monitor There is not enough ventilation space for proper airflow Leave at least 3 inches 7 6 cm of ventilation space Be sure there is nothing on top of the monitor obstructing the air flow The Num Lock key is on Press the key to turn it off The Num Lock light should not be on when you want to use the arrow keys Possible Solution 1 Printer is not turned on and online Turn the printer on and make sure it is online
38. eload audio drivers Correct Load drivers and drivers for set configuration application in OS Connect to external speaker Replace audio board and speaker connections in PC if applicable 1 Replace internal speaker 2 Replace audio board if applicable 3 Replace system board Quick Troubleshooting Guide 3 17 17 Non Functioning Device Non functioning device Reseat device Unplug the non functioning device from the unit Inspect cables and plugs for bent or broken pins or other damage Any physical Y Fix or replace damage broken item Clear CMOS Go to Page 3 10 No O S Loading Reattach device Close computer plug in power and reboot Hard drive or CD ROM N drive Possible bad hard drive Replace drive Drive boots properly NIC Possible bad NIC Replace Device boots card If integrated NIC Y properly replace system board Y Diskette drive Possible bad diskette drive Replace drive 3 18 Troubleshooting Flowcharts for Portable Computers 18 Non Functioning Pointing Device or Keyboard Pointing device or keyboard not operating properly Connect unit to good external keyboard or pointing device External device works Replace system board Reseat internal keyboard Replace internal keyboard connector if applicable cable or pointing device Done Done Replace system board Quick Troubleshooting Gui
39. em Possible Solution Computer does not boot up 1 System memory may be improperly installed or may be bad and Num Lock LED is blinking you may hear one short and two long beeps 2 See Error Messages Flowchart The Caps Lock LED is flashing you may hear one long and two short beeps The video controller is not present or is incorrectly initialized Clear CMOS If a video board has been added remove and reseat it Fo na See No Video Flowchart Computer does not boot up and 1 System board hardware failure prior to video Replace system the Scroll Lock LED is flashing board you may hear two long and one 2 short beeps Q If the standard keyboard has been replaced with a Universal Serial Bus USB keyboard you will hear the beep sequences mentioned above but will not see the flashing lights See Initial Troubleshooting Flowchart Power Supply Problem Possible Solution Computer will not turn on 1 Computer not connected to active external power source Connect power cable to active wall plug or power strip 2 Power switch not connected to system board Plug the power switch cable into the system board 3 Power line selector switch on rear of computer set to wrong voltage Select the proper AC voltage 115V or 230V Power LED blinks red once every 1 Power supply overloaded or short detected Unplug computer from 2 seconds AC power source Unplug internal power cables from all devices and
40. er is not configured for this computer In Windows 95 or Windows NT select the Network icon at the Control Panel Network controller interrupt with an expansion board Under the Computer Setup Advanced menu change the resource settings for the board continued Quick Troubleshooting Guide A 11 A 12 Network Problem Continued Problem Network controller stopped working when an expansion board was added to the computer Network controller stopped working without apparent cause Cannot connect to the network server when attempting Remote System Installation System Setup utility reports unprogrammed EPROM Further Troubleshooting Possible Solution 1 Network drivers are not loaded or driver parameters do not match the current configuration Make sure that the drivers are loaded and that the driver parameters match the configuration of the network controller The cable is not securely connected or is attached incorrectly 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 Network controller interrupt with an expansion board Under the Computer Setup Advanced menu change the resource settings for the board Network drivers were accidentally deleted when the drivers for the new expansion board were installed or the files containing the network drivers are corrupted Reinstall the network drivers using backup
41. ersonal Edition For more detailed information refer to the online Intelligent Manageability Guide Quick Troubleshooting Guide A 13 appendix B POST ERROR MESSAGES NUMBERED Some Compaq computers have a complete series of POST error messages with code numbers assigned to them Use the information below for those computers 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 Screen Message 101 Option ROM Error 102 System Board Failure 103 System Board Failure 150 SafePost Active 162 System Options Not Set L Long S Short Beeps 1L 1S None None None 2S Probable Cause System ROM checksum DMA timers etc DMA timers etc A PCI expansion card is not responing Configuration incorrect RTC real time clock battery may need to be replaced Battery life is approximately 3 years Recommended Action Verify the correct ROM Flash the ROM if needed 3 If an expansion card was recently added remove it and see if the problem remains Clear CMOS 5 Ifthe message disappears there may be a problem with the expansion card 6 Replace the system board Clear CMOS Remove expansion boards Replace the system board Clear CMOS Remove expansion boards 3 Replace the system board Restart the computer
42. ew device with the computer 6 If the drive is a secondary drive that has just been installed on the same controller as the primary drive verify that the jumpers for both drives are set correctly Insufficient power to the Ensure both power supply cables are connected to the system board components some workstations Installed third party SCSI hard The third part adapter is either not supporting BIOS Boot Specification drive adapter not participating in or the Boot Vector option A solution is not available the hard drive ordering sequence provided in F10 Setup and or is always coming up as the boot device regardless of the predetermined sequence A 8 Further Troubleshooting CD ROM and DVD ROM Problem Cannot read compact disc System will not boot from CD ROM or DVD drive Cannot eject compact disc tray load unit Cannot eject compact disc slot load unit CD ROM or DVD device is not detected driver is not loaded CD ROM or DVD device is not detected or driver is not loaded Movie will not play in the DVD drive Possible Solution 1 CD is not properly seated in the drive Eject the CD correctly seat it in the drive then reload 2 CD is loaded upside down Eject CD turn it over then reload 3 See Non Functioning Drive Flowchart The CD ROM boot is not enabled through the Computer Setup utility Run the Computer Setup utility and set the drive priorities Ensure that driv
43. f Remove from docking station if applicable ler Reset ve N Go to page 3 4 y Power On panery No Power Part 2 power y Y Reset N Goto page 3 5 Power No Power Part 3 Y in docking Done Notes station i 1 On some models there is a separate reset button 2 On some models the computer may be reset by using the Standby Switch and either the Lid Switch or the Main Power Switch 1 Reseat power cables in docking station and at the AC outlet 2 Ensure AC power source is active 3 Ensure power strip is working Power up Go to Page 3 9 in docking Non Functioning station Docking Station Done Quick Troubleshooting Guide 3 3 3 No Power Part 2 Continued from page 3 3 No Power Part 1 Visually check for debris in battery socket and clean if required Power on Check battery by recharging moving it to another PC or replacing it Replace power supply if applicable p 5 Go to Page 3 5 oe en No Power Part 3 Y Power on 3 4 Troubleshooting Flowcharts for Portable Computers 4 No Power Part 3 Continued from page 3 4 No Power Part 2 Plug directly into AC outlet Power LED Y on Done N Reseat AC adapter in PC and at power source Y Power on Done Try Power outlet active different External outlet nternal or external AC adapter Replace external AC adapter Inter
44. for Desktop Computers 6 No Video Part 2 Continued from Page 2 6 No Video Part 1 Turn off power Caution Power is continuous to disconnect power cord the system board and power supply and open the computer even when the power switch is turned off To prevent damage to the unit disconnect the power cord from the power source or the unit Reseat processor riser before beginning disassembly board video card and procedures memory then clear CMOS Replace cover and power cord then restart computer Video OK computer starts Same symptoms Done Turn off computer and disconnect power Replace components in system one at a time starting with hard drive Test system after each replacement for video or beeps Go to Page 2 8 No Video Part 3 Fi Y System Message System option not set option not set routine Notes 1 System boards without a piezo speaker or chassis without an internal speaker require an external speaker 2 Some power supplies require a load greater than the system board alone to function properly When disconnecting drives disconnect the data cables but leave the power cables attached 3 Remove auxiliary video card if integrated video 4 Remove cache module on Deskpro 2000 models if installed Quick Troubleshooting Guide 2 7 7 No Video Part 3 2 8 Continued from Page 2 7 Caution Power is
45. he graphics controller 601 Diskette Controller None Diskette controller circuitry 1 Run Computer Setup F10 Error or floppy drive circuitry Setup incorrect 2 Check and or replace cables 3 Clear CMOS 4 Replace diskette drive 5 Replace the system board 602 Diskette Boot Record None Diskette in drive A not Replace the diskette Error bootable 605 Diskette Drive Type 25 Mismatch in drive type 1 Run Computer Setup F10 Error Setup or Windows NT Windows 95 98 or 2000 utilities 2 Disconnect any other diskette controller devices tape drives 3 Clear CMOS 610 External Storage None External tape drive not Reinstall tape drive or press F1 and Device Failure connected allow system to reconfigure without the drive 611 Primary Floppy Port 25 Configuration error 1 Run Computer Setup F10 Address Assignment Setup Conflict 2 Remove expansion cards 3 Clear CMOS 612 Secondary Floppy Port 2S Configuration error 1 Run Computer Setup F10 Address Assignment Setup Conflict 2 Remove expansion cards 3 Clear CMOS L Long S Short continued B 4 POST Error Messages Numbered POST Error Messages Continued Screen Message Beeps 660 Display Cache is None Detected Unreliable 912 Computer Cover Has None Been Removed Since Last System Start Up 914 Hood Lock Coil is not None Connected 916 Thermal Sensor from None Processor Heatsink is not Connected 917 Expansion Riser not None Detected 1151 Serial
46. is always on in all other instances such as when the computer is On in Standby or Suspend mode IN CAUTION When the computer is connected to an AC power source there is always voltage 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 3 Remove the computer cover 4 Reset the computer by one of the following methods depending on the model m Ifthe system board has a CMOS reset button press the button and then release it to reset the CMOS m Ifthe system board uses jumpers remove the E50 jumper from pins 1 and 2 for 60 seconds then replace the jumper Customer Responsibilities Check the service contract and verify that the customer has taken care of these items Installing the operating system Providing and running all virus check programs Running Diagnostics on the hard drive Reloading the operating system as required Copying over the operating system files as required Reformatting the hard drive as required 1 2 General Service Information POST Power On Sequence When a Compaq Personal Computer or workstation is turned on the computer reads its first instructions from memory It finds the instructions from the power on restart vector addressed in ROM and begins executing those instructions The instructions begin with a series of ROM resident diagnostic tests called the Power On Self Test
47. ive Possible Solution The directory structure is bad or there is a problem with a file Run ScanDisk If a diskette drive other than a 3 5 inch 1 44 MB drive has been installed ensure that the drive type is identified correctly under Computer Setup The information provided by the diagnostics tests includes error code system serial number drive serial number drive model and drive firmware revision Specific details of the drive failure are not included When you run the diagnostics the test results are stored in a log After completing the test you can print this log to a local printer or save it to a file Alternatively before running the test you can configure the test options to send the results to a local printer or file Problem Hard drive error occurs Disk transaction problem Drive not found Second Ultra ATA hard drive does not perform optimally Possible Solution 1 Hard disk has bad sectors or has failed Use a utility to locate and block usage of bad sectors If necessary reformat the hard disk See Non Functioning Device Flowchart Either the directory structure is bad or there is a problem with a file In Windows 95 98 or 2000 run ScanDisk In Windows NT right click Start click Explore and select a drive Select File gt Properties gt Tools Under Error checking click Check Now See Non Functioning Device Flowchart 1 Cable could be loose Check cable connection
48. l Panel and follow the instructions that appear on the screen To reconfigure the computer in Windows NT Workstation 4 0 after installing new hardware use the utility provided with the hardware Problem Possible Solution A new device is not 1 The computer needs to be reconfigured to recognize the new automatically recognized as device Follow the reconfiguration instructions above If system still part of the computer system does not recognize the new device but the device is listed within Computer Setup use Computer Setup to address any resource conflicts 2 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 3 A Plug and Play board may not automatically configure when added if the default configuration conflicts with other devices Use Windows 95 98 or 2000 Device Manager to deselect the automatic settings for the board and choose a basic configuration that doesn t cause a resource conflict You can also use Computer Setup to reconfigure or disable devices to resolve the resource conflict 4 The cables for the new external device are loose or the power cables are unplugged Check all cables and check that pins in the cable or connector are not bent down 5 The power switch for the new external device is not turned on Turn off the computer turn on the external device and then turn the computer on to integrate the n
49. m board failure prior to video Audible 1L 3S System ROM is bad system is running in FailSafe Boot Block Mode Audible 2S Power ON successful Continued on Page 2 10 Error Messages Part 2 Notes Short S and long L beeps will only be heard if the system has a speaker LEDs will only function on PS 2 keyboards not USB Quick Troubleshooting Guide 2 9 9 Error Messages Part 2 Caution Power is continuous to the system board and power Continued from Page 2 9 supply even when the power switch is turned off To prevent Error Messages Part 1 damage to the unit disconnect the power cord from the power source or the unit before beginning disassembly procedures 1S 2L Num Lock blinking System memory not present or incompatible Unplug open computer and check memory modules Ensure memory modules are correct type and that they match in size and speed 1L 2S Cap Lock blinking Video controller not present or incorrectly initialized Ensure monitor is plugged in Unplug open computer and check video card Reseat card and ensure it is in the proper expansion slot 1L 3S All keyboard LEDs blinking ROM Failure Create ROMPaq diskette and reload ROM Download ROMPaq from Compaq website at www compaq com 2L 1S Scroll Lock blinking System HW failure prior to video Unplug open computer and check for physical damage Ensure all cables and cards are seated Look for burn marks or smoke No beeps HD and Power LED
50. mponents items in the computer power supply even when the power switch is turned off To prevent damage to the unit disconnect the power cord from the power source or the unit before beginning disassembly procedures Reinstall cover and restart computer Replace power switch Power LED on Power LED on Replace system board Quick Troubleshooting Guide 2 5 5 No Video Part 1 Caution Power is continuous to the system board and power supply even when the power switch is turned off To prevent damage to the unit disconnect the power cord from the power source or the unit before beginning disassembly procedures Beeps or flashing CPU or keyboard lights Go to Page 2 9 Error Messages Part 1 Monitor LED Y LED color Contrast and N Turn contrast and on note 1 brightness brightness up turned up N Video adapter Go to Page 2 7 connected No Video Part 2 note 2 N Plug in turn on and return to Page 2 2 Initial Troubleshooting Monitor Y Reconnect econ gers monitor note 3 Video Ok N Plug in and turn on monitor then return to Page 2 2 Initial Troubleshooting Replace monitor Notes 1 Older monitors do not support the amber LED 2 If more than one adapter is installed monitor must be connected to primary controller 3 Turn off and unplug computer before reconnecting cables 2 6 Troubleshooting Flowcharts
51. nal Replace power cord Go to page 3 6 No Power Part 4 Power on Y Power on Done Done N Quick Troubleshooting Guide 3 5 3 6 5 No Power Part 4 Continued from Page 3 5 No Power Part 3 Open Computer Reseat loose components and boards and replace damaged items Loose or damaged parts Close computer and retest Replace these items Check computer operation after each replacement Power on 1 Internal DC DC Converter 2 Internal AC Adapter 3 Processor board if applicable 4 System board Replace these items as a set to prevent shorting out among the components Troubleshooting Flowcharts for Portable Computers 6 No Video Part 1 No Video Go to page 3 8 Docking No Video Part 2 Station Standalone or Docking Station Note To change from internal to external display use Fn F4 Key combination Standalone Internal or Internal external display Adjust Brightness External Adjust Depress lid switch to brightness ensure operation Video OK Replace one at a time Test after each item Check for bent pins on 1 Cable between PC and cable and for monitor internal monitor if applicable connection 2 Inverter board if applicable 3 Display LCD 4 System board Video OK Try Internal and another external Replace monitor video OK system board Quick Troubleshooting Guide 3
52. om hard drive Go to Page 2 14 No O S Loading from Hard Drive Part 2 Go to Page 2 16 No O S Loading from Diskette Drive N Boot from diskette Remove diskette and reboot Boot from hard drive Boot from network Go to Page 2 18 No O S Loading from Network Change boot priority through Computer Setup and reboot Boot from hard drive y Go to Page 2 19 Factory Recommended Booting Priority 1 CD ROM drive if bootable drive Non Functioning Device 2 Diskette drive 3 Hard drive 4 Network NOTE Before beginning always check drive jumpers cable connections cable ends and drives for bent or damaged pins Quick Troubleshooting Guide 2 13 13 No 0 S Loading from Hard Drive Part 2 Continued from Page 2 13 No O S Loading from Hard Drive Part 1 CD or diskette in drive Replace hard drive Remove diskette and reboot Y Boot from hard drive Y Done Boot from diskette drive Computer boot E N Done Go to Page 2 16 Go to Page 2 15 No O S Loading No O S Loading from Hard Drive Part 3 from Diskette Drive 2 14 Troubleshooting Flowcharts for Desktop Computers Access hard drive Hard drive partition Hard drive formatted Go to Page 2 15 No O S Loading from Hard Drive Part 3 Create partition then format ha
53. ort expansion cards Clear CMOS Reconfigure card resources and or run Computer Setup F10 Setup Run Computer Setup or Windows utilities Reset the IRQ Quick Troubleshooting Guide B 5 POST Error Messages Continued Screen Message 1202 MIDI Port Address 2S Conflict Detected Beeps 1203 Game Port Address Conflict Detected 1611 Fan failure detected None 1720 SMART Hard Drive None Detects Imminent Failure 1721 SMART SCSI Hard Drive Detects Imminent Failure None 1771 Primary Disk Port 25 Address Assignment Conflict 1772 Secondary Disk Port 25 Address Assignment Conflict L Long S Short continued POST Error Messages Numbered Probable Cause Device IRQ address conflicts with another device Device IRQ address conflicts with another device Chassis fan not conneted to the system board Hard drive is about to fail Some hard drives have a firmware patch that will fix an erroneous error message Hard drive is about to fail Some hard drives have a firmware patch that will fix an erroneous error message Internal and external hard drive controllers are both assigned to the primary address Internal and external hard drive controllers are both assigned to the primary address Recommended Action Reset the IRQ Reset the IRQ 1 Reconnect the fan N Replace the fan Q Replace the system board 1 Determine if hard drive is giving correct error mess
54. phics card has been added remove and reseat Check memory module 2 Remove and reseat memory module 3 See Memory Problems in Appendix A Reflash the ROM using a ROMPaq diskette Replace system board Quick Troubleshooting Guide B 9 POST Error Messages Continued Screen Message Beeps Green Power LED Blinks None Once per Second Green Power LED ON None Invalid Electronic Serial None Number Flashing Power and Hard None Drive Green LEDs Red Power LED Blinks Every None 2 or more Seconds Red Power LED Blinks None Every Second Red power LED ON None XXOOOYZZ Parity Check None L Long S Short B 10 POST Error Messages Numbered Probable Cause Computer in normal Suspend mode Computer on Electronic serial number has become corrupted Unseated riser board Power supply overloaded System memory error Processor unseated Parity RAM failure Recommended Action None None Run Computer Setup F10 Setup If Setup already has data in the field or will not allow the serial number to be entered download and run SP5572 EXE SNZERO EXE Remove riser board Wipe connector Reinstall riser board 1 Push in power button LED should be green 2 Remove all AC power from computer wait 30 seconds then apply power 3 Remove load from power supply by removing options one at a time until computer runs 4 Check for damage to system board 5 Replace system bo
55. r settings Run hard drive diagnostics Disconnect additional drives Run the Drive Protection System test if available Replace the hard drive Replace the system board Quick Troubleshooting Guide B 7 POST Error Messages Continued Screen Message Beeps 1790 Disk 0 Failure None 1791 Disk 1 Failure None 1792 Secondary Disk None Controller Failure L Long S Short continued B 8 POST Error Messages Numbered Probable Cause Hard drive error or wrong drive type Hard drive error or wrong drive type Hard drive circuitry error Recommended Action 1 Run Computer Setup F10 Setup Clear CMOS Check cable seating jumper settings Run hard drive diagnostics Disconnect additional drives Confirm drive is supported on this computer Large drive ROM support Run the Drive Protection System test if available Replace the hard drive Replace the system board Run Computer Setup F10 Setup Clear CMOS Check cable seating jumper settings Run hard drive diagnostics Disconnect additional drives Confirm drive is supported on this computer Large drive ROM support Run the Drive Protection System test if available Replace the hard drive Replace the system board Run Computer Setup F10 Setup Clear CMOS Check cable seating jumper settings Run hard drive diagnostics Disconnect additional drives Run the Drive Protection System test if available
56. r supply even when the power switch is turned off To prevent damage to the unit disconnect the power cord from the power source or the unit before beginning disassembly procedures Quick Troubleshooting Guide 2 3 3 No Power Part 2 Caution Power is continuous to the system board and power supply even when the power switch is turned off To prevent damage to the unit disconnect the power cord from the power source or the unit before beginning disassembly procedures Continued from Page 2 3 No Power Part 1 Power supply Plug power connector connected to gP system board into system board Hep PENN System board have 5V Plug in power cord Aux LED 1 Press power button on 2 Check for fan rotation 3 Press power button off N N 1 Unplug power to all drives Does fan spin 2 Remove all installed cards Does fan spin 3 Press power button on Y 1 Add drives back one at a time to find faulty drive 2 Add cards back one at a time to find faulty card Replace power supply Go to Page 2 5 2 No Power Part 3 Power on Y 2 4 Troubleshooting Flowcharts for Desktop Computers 4 No Power Part 3 Continued from page 2 4 No Power Part 2 Drive power Reseat drive power and and data cables connected data cable connectors Loose Reseat loose components Caution Power is continuous or damaged and replace damaged to the system board and the co
57. ration changes and has the ability to maintain a computer configuration history The information can be saved as a history of multiple sessions This utility was developed to allow resolution of problems without taking the computer off line and to assist in maximizing computer availability The information obtained by the utility is useful in troubleshooting computer problems and streamlines the service process by enabling quick and easy identification of computer configurations which is the first step in resolving service cases The Compaq Configuration Record Utility is accessed via an icon in the Control Panel When running the utility information is automatically gathered on such items as the operating system version number operating system parameters and the operating system startup files The utility then combines this information with information on the hardware configuration to deliver a comprehensive view of the computer General Service Information chapter 2 TROUBLESHOOTING FLOWCHARTS FOR DESKTOP COMPUTERS SOO TOY JE is BO e e e e e om 9 Aa FW NY KF O Initial Troubleshooting 2 2 No Power Part 1 2 3 No Power Part 2 2 4 No Power Part 3 2 5 No Video Part 1 2 6 No Video Part 2 2 7 No Video Part 3 2 8 Error Messages Part 1 2 9 Error Messages Part 2 2 10 Error Messages Part 3 2 11 No O S Loading 2 12 No O S Loading from Hard Drive Part 1 2 13 No O S Loading from H
58. rd Setup computer Y Y Clear CMOS O S loading Done Change boot priority using F10 Setup Go to Page 3 18 Non Functioning Device 3 14 Troubleshooting Flowcharts for Portable Computers 14 No 0 S Loading from CD ROM or DVD ROM Drive No O S Loading Bootable Install bootable from CD or Disk in drive disk disk and reboot DVD ROM drive in drive computer Install Try another bootable disk bootable disk Boots from CD or DVD Boots from CD or DVD Reseat drive Booting Go to Page 3 18 from another Non Functioning device Device Booting Go to Page 3 18 order Clear CMOS Non Functioning correct Device Correct boot order using F10 Setup Quick Troubleshooting Guide 3 15 3 16 15 No Audio Part 1 Turn up audio No audio internally and or Done externally PC in docking station Undock Internal audio Take the following actions one Go to Page 3 17 at a time as applicable Check Go to Page 3 17 No Audio Part 2 after each change No Audio Part 2 Reseat docking station audio cable Replace audio cable Replace speaker Replace docking station audio board Replace backplane board Replace I O board Go to Page 3 9 Non Functional Docking Station Troubleshooting Flowcharts for Portable Computers 16 No Audio Part 2 Continued from Page 3 16 No Audio Part 1 Audio driver inOS configured R
59. rd drive to bootable C prompt Format hard drive and bring toa bootable C prompt Load O S using Restore CD if applicable see note Note Refer to the Customer Responsibilities section of this document and the customer service contract 14 No 0 S Loading from Hard Drive Part 3 Continued from Page 2 14 No O S Loading from Hard Drive Part 2 System Install O S files on hard and reboot drive see note Run DPS test Boot from hard drive Clean virus see note Run SCANDISK check for bad Boot from sectors hard drive Can bad sectors be fixed N Apply Restore CD if applicable see note Replace hard drive i Y Fix bad sectors Replace Boot from hard drive hard drive Note Refer to the Customer Responsibilities section of this Done document and the customer service contract Quick Troubleshooting Guide 2 15 15 No 0 S Loading from Diskette Drive O S not loading from diskette drive Non Bootable N Install bootable System Disk diskette diskette and message in drive reboot computer Check diskette for Boot Go to Page 2 19 system files Try from another Non Functioning different diskette device Device Bootable N Install bootable Diskette N f diskette diskette and drive enabled Be ee i in drive reboot computer in Computer mp t t Setup p
60. s The system may not have automatically recognized a newly installed device See reconfiguration directions in the Hardware Installation Problems section If 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 Check drive jumper settings If the drive is a secondary drive that has just been installed on the same controller as the primary drive verify that the jumpers for both drives are set correctly 4 Check SCSI IDs to ensure none are duplicated See Non Functioning Device Flowchart The cable is not compatible with the drive type Reinstall the second Ultra ATA hard drive using an 80 conductor cable Quick Troubleshooting Guide A 5 Display Problem Screen is blank Video colors are wrong Characters are dim Monitor does not function properly when used with the energy saver features Screen goes blank Blurry display or requested resolution cannot be set A 6 Further Troubleshooting Possible Solution 1 Monitor is not turned on and the monitor light is not on Turn on the monitor and check that the monitor light is on Screen save has been initiated Press any key or move the mouse to light the screen The cable connections are not correct Check the cable connection from the monitor to the computer and check the el
61. s of the peripheral cards you can isolate the source of the problem by temporarily removing all cards and other essential cards such as the disk controller After that add the cards back one at a time until the card that is causing the conflict is found Problem Possible Solution Sound does not come out of Software volume control is turned down in Microsoft Sound System the speaker Control Panel or CD ROM or DVD volume control on the front or back of the computer is turned down 1 Click Start then select Programs Accessories Multimedia Volume Control 2 Turn the CD ROM volume control knob on the front or back of the computer to increase the volume Troubleshooting Using Compaq Intelligent Manageability Features The Local Alert Pop Up Dialog notifies you of an impending or actual hardware failure If the computer is connected to a network and the Compaq Insight Management Agents are installed and configured an Simple Network Management Protocol SNMP trap message is sent to the specified SNMP compliant management application The Local Alert Pop Up Dialog also tells you the steps you need to take prior to a hardware failure to avoid loss of data and damage to the computer The system administrator can create a customized action message that might include contact telephone or pager numbers To close the Local Alert Pop Up Dialog click the Close button To retrieve fault information after closing the dialog run Compaq Insight P
62. sary device drivers installed Have all printer drivers been installed for each application Remove all diskettes from the diskette drives before you turn 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 Are all memory sockets filled on computers using RIMMs Ensure that memory module types are not mixed on the same system board The system will not boot if RIMMs and DIMMs are mixed Quick Troubleshooting Guide A 1 Solving General Problems Problem Computer will not turn on Computer appears locked up and won t turn off when the power button is pressed Computer date and time display is incorrect Computer powered off unexpectedly Insufficient power to the components Computer appears to pause periodically Cannot remove computer cover or side panel Computer does not boot up and power and hard drive LEDs are blinking Further Troubleshooting Possible Solution 1 Ensure computer is properly connected to an external power source 2 A PCI or ISA card that has been installed is defective Remove any adapter card that was just installed 3 Ensure that drive power data and power supply cables are all properly seated 4 See Initial Troubleshooting Flowchart Software control of the power button may not be functional Press and hold the button for four seconds then release This invokes
63. the hardware override for the power button Reset the date and time using Control Panel If the problem persists the real time clock RTC battery may need to be replaced When booting from a network the PC clock may be reset to that of the server The PC clock may also change when using other services through the server 1 The unit temperature was exceeded because the unit is in an exceedingly hot environment or the fan is blocked Let the unit cool down 2 The fan may not be functioning correctly or air vents may be blocked 3 The unit temperature was exceeded because the computer was running with the cover or side panel removed Replace cover or side panel and let the computer cool down before turning power back on Ensure that both power supply cables are connected to the system board some workstations Network driver is loaded and no network connection is established Establish a network connection or use Computer Setup or Windows Device Manager to disable the network controller 1 Smart Lock featured on some computers is locked Unlock using Computer Setup 2 The Smart Cover FailSafe Key a device for manually disabling the Smart Cover Lock is available from Compaq You ll need the FailSafe Key in cases of forgotten password power loss or computer malfunction 1 Ensure that the riser board is properly seated if applicable 2 See Error Messages Flowchart Solving General Problems Continued Probl
64. uiar Y Diskette Y Notes Factory Recommended Clear CMOS Booting Priority correct 1 CD ROM drive if bootable 2 Diskette drive 3 Hard drive 4 Network Go to Page 2 19 Change boot Non Functioning Device priority see notes 2 16 Troubleshooting Flowcharts for Desktop Computers 16 No 0 S Loading from CD ROM Drive No O S Loading from CD ROM drive Y Bootable Install bootable CD in drive CD CD and reboot in drive computer Try another Install bootable CD bootable CD Y Boots from CD Done Notes Factory Recommended Booting Priority 1 CD ROM drive if bootable 2 Diskette drive Booting N Go to Page 2 19 3 Hard drive from another Non Functioning 4 Network Device device Booting Y Go to Page 2 19 order Clear CMOS Non Functioning correct Device Correct boot order see notes Quick Troubleshooting Guide 2 17 17 No 0 S Loading from Network No O S loading from network Network jack functional prompt during Connect to working network jack Reboot computer Select F12 when prompted Turn off power Go to Page 2 19 disconnect power cord open computer and install Compaq compatible NIC Non Functioning Device Compaq supported NIC Boots from network Boots from another device Y Done Notes Boot order correct Factory Recommended Booting Sequence 1

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