User Guide
Contents
1. Ap Hardware Reference Guide HP 260 G1 DM Business PC Copyright 2014 2015 Hewlett Packard Development Company L P Microsoft and Windows are U S registered trademarks of the Microsoft group of companies The information contained herein is subject to change without notice 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 Second Edition January 2015 First Edition October 2014 Document part number 790976 002 Product Notice This guide describes features that are common to most models Some features may not be available on your computer Not all features are available in all editions of Windows 8 This computer may require upgraded and or separately purchased hardware drivers and or software to take full advantage of Windows 8 functionality See http www microsoft com for details This computer may require upgraded and or separately purchased hardware and or a DVD drive to install the Windows 7 software and take full advantage of Windows 7 functionality See http windows microsoft com en us windows7 get know windows 7 for details Software terms By installing copying downloading or otherwise using any software product preinstalled on this compu2. Replace the access panel 13 If the computer was ona stand replace the stand 14 Reconnect the power cord and turn on the computer 15 Lock any security devices that were disengaged when the access panel was removed Removing and replacing a hard drive 13 14 Installing additional memory The computer comes with double data rate 3 synchronous dynamic random access memory DDR3L SDRAM small outline dual inline memory modules SODIMMs SODIMMs The memory sockets on the system board can be populated with up to two industry standard SODIMMs These memory sockets are populated with at least one preinstalled SODIMM To achieve the maximum memory support you can populate the system board with up to 16 GB of memory DDR3SL SDRAM SODIMMs For proper system operation the SODIMMs must be e industry standard 204 pin e unbuffered non ECC PC3 12800 DDR3L 1333 MHz compliant e 1 35 volt DDR3L SDRAM SODIMMs The DDR3L SDRAM SODIMMs must also e support CAS latency 11 DDR3L 1333 MHz 11 11 11 timing e contain the mandatory Joint Electronic Device Engineering Council JEDEC specification In addition the computer supports e 512 Mbit 1 Gbit and 2 Gbit non ECC memory technologies e single sided and double sided SODIMMS e SODIMMs constructed with x8 and x16 devices SODIMMs constructed with x4 SDRAM are not supported E NOTE The system will not operate properly if you install unsupported SODIMMs Chapter 2 Hardware upgrades
3. E EE AEE O A E 5 Warnings and ers 8 40 9 ogee een ene ee oe eee ee ee ee eee eee ae 5 Connecting the power cord esncsnnccsisavsslersversaciesiasectsuisiaiessswns eoinnsedvnaaedndsoawe duane bowesudedansbaneusaucabsuivadenesdabvsddensseacedvesesbnnss 6 Removing the computer ACCESS panel ee eeeeseseeeeeessssssescsssssscececceeecceecceseececsssssssesecscseeeececcsseeeeeseseeecsssseesseees 7 Replacing the computer access panel cccccccessseseeceecececescececeeceeceeeeeeeseeeseeseeseescsescecsssssssssssseseseescessesesseess 9 Changing from desktop to tower configuration ccccsessesssesecessssescecssssssesssessssssesesesesesssssssssecsssssseseseseceeees 10 Removing and replacing a Nard drive ccccccescssssscccsscsccccseceseceecesceeeeseeeseeeeaeceeeceseeceaueeeceescssesscssessssssseeees 11 Installing additional memory ccccecccseeccsscssssssssssssessscseesececececeeceeeceeeeeescsssssesssssseescesceseeceeseeeeseeeescessessseesees 14 SOBIMME caen E garantie alae uasto ra scees te naeacssunenacssacnoaustve ace uutenserseusea A R 14 DDR SLs SDRAM S OD IMMS cscscantachasacedncsnseatnaceetunsienasenaaseusanesnedsmndaonsepvasieneneanecesadeonesaveeceaamenserkasieneiesas 14 Populating SODIMM sockets issivscscssssccsccsssvnesevevessovesesesonnencansdtaesevsndeassussevsvesencsveesevanecddudedenbosesuevessvees 15 Installing SODIMMS siccsacedaacssiswssuesseeciwvcndensavsunasensebansansdasbinn
4. Keep these numbers available for use when contacting customer service for assistance 4 Chapter 1 Product features 2 Hardware upgrades Serviceability features The computer includes features that make it easy to upgrade and service Warnings and cautions Before performing upgrades be sure to carefully read all of the applicable instructions cautions and warnings in this guide A WARNING To reduce the risk of personal injury from electrical shock hot surfaces or fire Disconnect the power cord from the wall outlet and allow the internal system components to cool before touching Do not plug telecommunications or telephone connectors into the network interface controller NIC receptacles Do not disable the power cord grounding plug The grounding plug is an important safety feature Plug the power cord in a grounded earthed outlet that is easily accessible at all times To reduce the risk of serious injury read the Safety amp Comfort Guide It describes proper workstation setup posture and health and work habits for computer users and provides important electrical and mechanical safety information This guide is located on the Web at http www hp com ergo Z WARNING Energized and moving parts inside Disconnect power to the equipment before removing the enclosure Replace and secure the enclosure before re energizing the equipment A CAUTION Static electricity can damage the electrical components of the comp
5. L locks cable lock 21 padlock 22 30 Index M memory installation 14 socket population 15 specifications 14 mounting options on back of monitor 25 onwall 25 under desk 25 mounting the computer 22 p power cordconnection 6 product ID location 4 Q quickrelease 22 R rear panel components 3 removing battery 19 computer access panel 7 hard drive 11 S security cable lock 21 padlock 22 serial number location 4 shipping preparation 28 SODIMMs installing 16 specifications memory 14 supported mounting options 25 T tower conversion 10 V ventilation guidelines 27
6. CAUTION You must disconnect the power cord and wait approximately 30 seconds for the power to drain before adding or removing memory modules Regardless of the power on state voltage is always supplied to the memory modules as long as the computer is plugged into an active AC outlet Adding or removing memory modules while voltage is present may cause irreparable damage to the memory modules or system board The memory module sockets have gold plated metal contacts When upgrading the memory it is important to use memory modules with gold plated metal contacts to prevent corrosion and or oxidation resulting from having incompatible metals in contact with each other 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 For more information refer to Electrostatic discharge on page 26 When handling a memory module be careful not to touch any of the contacts Doing so may damage the module 1 Remove disengage any security devices that prohibit opening the computer 2 Remove all removable media such as a USB flash drive from the computer 3 Turn off the computer properly through the operating system then turn off any external devices 4 Disconnect the power cord from the power outlet and disconnect any external devices A CAUTION You must disconnect the power cord a
7. Populating SODIMM sockets There are two SODIMM sockets on the system board with one socket per channel The sockets are labeled DIMM1 and DIMM2 The DIMM1 socket operates in memory channel B The DIMM2 socket operates in memory channel A aaea Sa E Ga e i B i i iz A i al i lo O item Description System Board Label Socket Color 1 SODIMM1 socket Channel B DIMM1 Black 2 SODIMM2 socket Channel A DIMM2 Black The system will automatically operate in single channel mode dual channel mode or flex mode depending on how the SODIMMs are installed e The system will operate in single channel mode if the SODIMM sockets are populated in one channel only The system will operate in a higher performing dual channel mode if the memory capacity of the SODIMM in Channel A is equal to the memory capacity of the SODIMM in Channel B The system will operate in flex mode if the memory capacity of the SODIMM in Channel A is not equal to the memory capacity of the SODIMM 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 If one channel will have more memory than the other the larger amount should be assigned to channel A In any mode the maximum operational speed is determined by the slowest SODIMM in the system Installing additional memory 15 16 Installing SODIMMs A
8. able media such as a USB flash drive from the computer 3 Turnoff the computer properly through the operating system then turn off any external devices 4 Disconnect the power cord from the power outlet and disconnect any external devices A 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 You must disconnect the power cord to avoid damage to the internal components of the computer 5 Ifthe computer is on a stand remove the computer from the stand and lay the computer down with the VESA holes facing up 6 Remove the rubber plugs from the two holes closest to the front of the computer 1 7 Remove the screws from the two holes closest to the front of the computer 2 T oi 0O I gt AL 8 Turn the computer over Removing the computer access panel 7 9 Loosen the screw on the rear of the computer 1 then slide the panel forward and lift if off the computer 2 8 Chapter 2 Hardware upgrades Replacing the computer access panel 1 Place the panel on the computer then slide it back 1 and tighten the screw 2 to secure the panel in place 2 Turn the computer over 3 Insert screws into the two holes closest to the front of the computer 1 and tighten them 4 Insert rubber plugs into the two holes closest to the front of the computer 2 Replacing the computer ac
9. cess panel 9 Changing from desktop to tower configuration The computer can be used in a tower orientation with an optional tower stand that can be purchased from HP 1 Remove disengage any security devices that prohibit opening the computer 2 Remove all removable media such as a USB flash drive from the computer 3 Turnoff the computer properly through the operating system then turn off any external devices 4 Disconnect the power cord from the power outlet and disconnect any external devices A 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 You must disconnect the power cord to avoid damage to the internal components of the computer 5 Orient the computer so that its right side is facing up and place the computer in the optional stand E NOTE To stabilize the computer in a tower orientation HP recommends the use of the optional tower stand 6 Reconnect the power cord and any external devices then turn on the computer EA NOTE Ensure at least 10 2 centimeters 4 inches of space on all sides of the computer remains clear and free of obstructions 7 Lock any security devices that were disengaged when the access panel was removed 10 Chapter 2 Hardware upgrades Removing and replacing a hard drive A NOTE Before you remove the old hard drive be sure to back up the data from the old hard drive so that you can
10. ent electrostatic damage observe the following precautions e Avoid hand contact by transporting and storing products in static safe containers e Keep electrostatic sensitive parts in their containers until they arrive at static free workstations e Place parts on a grounded surface before removing them from their containers e Avoid touching pins leads or circuitry e Always be properly grounded when touching a static sensitive component or assembly Grounding methods There are several methods for grounding Use one or more of the following methods when handling or installing electrostatic sensitive parts Use a wrist strap connected by a ground cord to a grounded workstation or computer chassis Wrist straps are flexible straps with a minimum of 1 megohm 10 percent resistance in the ground cords To provide proper ground wear the strap snug against the skin Use heelstraps toestraps or bootstraps at standing workstations Wear the straps on both feet when standing on conductive floors or dissipating floor mats Use conductive field service tools Use a portable field service kit with a folding static dissipating work mat If you do not have any of the suggested equipment for proper grounding contact an HP authorized dealer reseller or service provider Ex NOTE For more information on static electricity contact an HP authorized dealer reseller or service provider Appendix A Electrostatic discharge B Computer
11. er with a soft damp cloth as needed Using cleaning products may discolor or damage the finish o 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 Computer operating guidelines and routine care 21 Shipping preparation Follow these suggestions when preparing to ship the computer 1 Back up the hard drive files to an external storage device Be sure that the backup media is not exposed to electrical or magnetic impulses while stored or in transit E NOTE The hard drive locks automatically when the system power is turned off Remove and store all removable media Turn off the computer and external devices Disconnect the power cord from the electrical outlet then from the computer m r r Disconnect the system components and external devices from their power sources then from the computer NOTE Ensure that all boards are seated properly and secured in the board slots before shipping the computer 6 Pack the system components and external devices in their original packing boxes or similar packaging with sufficient packing material to protect them 28 AppendixB Computer operating guidelines routine care and shipping preparation C Accessibility HP designs produces and markets products and services that can be used by everyone including people with disabilities either on a stand alone basis or with appropriate a
12. guaveseandseasankadauientennaieinnasedsonduddwsaseensversearians 16 Replacing he ACU OEY secrets eE E E E EEEE Ra Es 19 installing asec rity LOCK oicet aicc cc atesoasesienceioanveieedcuesaeessesendse vances saoensesdanesssalevessansersaneunsaucvanviesnstacsemisessuewereacsoteeesaueesoas 21 DLC NOG ofc cay cuceortcceeco E E E E certuesenasueuesesen eee 21 PAO GI E A sethane es PO E E E A E E A E E E E T 22 Mounting the computer scincciery ye edivesieatc penne aceectecnieve evans wavs esaa aa EEn aS Oia EES 22 Supported mounting OPTIONS eccccsceseeeeeceeceeeeesscccssssssssseccssescesssececeeceeeceeeseseeeseeeceeeeeceeseceeccs 25 Appendix A Electrostatic discharge cccscscscscscscccscccscccccccccccccccccccccccccccccccscccccccscscccccccccccccccccscccccsccccccccccecs 26 Preventing electrostatic damage ccccccccccecccccccecccccceceececcesccccscssssssssssseesesseseseeceseeeeeceeeeecececeueeseesecesseessssees 26 Grounding methods sosser NN 26 Appendix B Computer operating guidelines routine care and Shipping preparation cccccscccscccccccscscscscccscecs 27 Computer operating guidelines and routine care ccc cccccssccccccccccccecceecsssscssssssssssceceeeeeseeeeeeeeceeseeceeeeeseaassees 27 SHUN PEDA ACTON care cenctes ce anuinssauvesescenantouuwonaee niece dace a A 28 OTC TIOU GC Fe CSS TUNED is 29 Supported ASSISTIVE technologies escccanavensescnnveassvoussasessncusnuvnatnvenenseunsiseoseas
13. hapter2 Hardware upgrades 2 Using four 15 mm screws included in the mounting device kit attach one side of the HP Quick Release to the computer as shown in the following illustration 3 Using four screws included in the mounting device kit attach the other side of the HP Quick Release to the device to which you will mount the computer PA F ae Eo YL Aer at A Be sure the release lever points upward Mounting the computer 23 4 Slide the side of the mounting device attached to the computer 1 over the other side of the mounting device 2 on the device on which you want to mount the computer An audible click indicates a secure connection When attached the HP Quick Release automatically locks in position You only need to slide the lever to one side to remove the computer 24 Chapter 2 Hardware upgrades Supported mounting options The following illustrations demonstrate some of the supported mounting options for the mounting bracket e Onthe back of a flat panel monitor tng eae Sar 4 SS ta baat gi Pa yee P aA ty A hiena e Under a desk allowing at least 2 5 cm 1 in clearance Mounting the computer 25 26 A Electrostatic discharge A discharge of static electricity from a finger or other conductor may damage system boards or other static sensitive devices This type of damage may reduce the life expectancy of the device Preventing electrostatic damage To prev
14. nd wait approximately 30 seconds for the power to drain before adding or removing memory modules Regardless of the power on state voltage is always supplied to the memory modules as long as the computer is plugged into an active AC outlet Adding or removing memory modules while voltage is present may cause irreparable damage to the memory modules or system board 5 Ifthe computer is on a stand remove the computer from the stand and lay the computer down 6 Remove the computer access panel 7 Pry up the edge of the memory door closest to the side of the computer and lift the door off the computer Chapter 2 Hardware upgrades 8 Toremove a SODIMM press outward on the two latches on each side of the SODIMM 1 then pull the SODIMM out of the socket 2 9 Slide the new SODIMM into the socket at approximately a 30 angle 1 then press the SODIMM down 2 so that the latches lock it in place A NOTE A memory module can be installed in only one way Match the notch on the module with the tab on the memory socket Installing additional memory 17 10 Align the memory door over the SODIMMs lower the door and then press the door into place 4 a lt Jizan ej AN i iige E gt gt 11 Replace the access panel 12 If the computer was ona stand replace the stand 13 Reconnect the power cord and turn on the computer 14 Lock any security devices that were disengaged when the computer cover o
15. operating guidelines routine care and shipping preparation Computer operating guidelines and routine care Follow these guidelines to properly set up and care for the computer and monitor 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 down directly against the front of the desktop unit as this also restricts airflow Never operate the computer with the access panel or any of the expansion card slot covers 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 Turn off the computer before you do either of the following o Wipe the exterior of the comput
16. r access panel was removed The computer automatically recognizes the additional memory when you turn on the computer 18 Chapter 2 Hardware upgrades Replacing the battery The battery that comes with the computer provides power to the real time clock When replacing the battery use a battery equivalent to the battery originally installed in the computer The computer comes with a 3 volt lithium coin cell battery A WARNING The 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 60 C 140 F 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 AN 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 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 Ex NOTE 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
17. s facing the outer edge of the computer A NOTE After the battery has been replaced use the following steps to complete this procedure 8 Replace the computer access panel 9 Plugin the computer and turn on power to the computer 10 Reset the date and time your passwords and any special system setups using Computer Setup 11 Lock any security devices that were disengaged when the computer access panel was removed Installing a security lock The security locks displayed below and on the following pages can be used to secure the computer Cable lock Installing a security lock 21 Padlock Mounting the computer HP recommends mounting the computer in the vertical tower orientation with the power button up A CAUTION Do not mount the computer with the I O ports oriented towards the ground This computer incorporates four mounting points on the right side of the computer These mounting points follow the VESA Video Electronics Standards Association standard which provides industry standard mounting interfaces for Flat Displays FDs such as flat panel monitors flat displays and flat TVs The HP Quick Release connects to the VESA standard mounting points allowing you to mount the computer in a variety of orientations f NOTE When mounting to the computer use the 15 mm screws supplied with the HP Quick Release To use the HP Quick Release 1 Remove four screws from the right side of the computer 22 C
18. ssistive devices Supported assistive technologies HP products support a wide variety of operating system assistive technologies and can be configured to work with additional assistive technologies Use the Search feature on your device to locate more information about assistive features EY NOTE For additional information about a particular assistive technology product contact customer support for that product Contacting support We are constantly refining the accessibility of our products and services and welcome feedback from users If you have an issue with a product or would like to tell us about accessibility features that have helped you please contact us at 888 259 5707 Monday through Friday 6 a m to 9 p m Mountain Time If you are deaf or hard of hearing and use TRS VRS WebCapTel contact us if you require technical support or have accessibility questions by calling 877 656 7058 Monday through Friday 6 a m to 9 p m Mountain Time Supported assistive technologies 29 Index A access panel removal 7 replacement 9 accessibility 29 accessibility support 29 B battery replacement 19 C computer operating guidelines 27 E electrostatic discharge preventing damage 26 F front panel components 2 G grounding methods 26 H hard drive installation 11 removal 11 HP Quick Release 22 l installation guidelines 5 installing battery 19 computer access panel 9 hard drive 11 memory 14 SODIMMs 16
19. sueiauisdnevaessevediaususnussaaasessuseuelsdansbacunnwestes 29 vi 1 Product features Standard configuration features Features may vary depending on the model For a complete listing of the hardware and software installed in the computer run the diagnostic utility included on some computer models only E NOTE This computer model can be used in a tower orientation or a desktop orientation The tower stand is sold separately Standard configuration features 1 Front panel components Drive configuration may vary by model U 1 Dual State Power Button 4 Microphone Connector 2 Hard Drive Activity Light 5 Headphone Connector 3 USB 3 0 Ports NOTE The Power On Light is normally white when the power is on If it is flashing red there is a problem with the computer and it is displaying a diagnostic code Refer to the Maintenance and Service Guide to interpret the code 2 Chapter 1 Product features Rear panel components 1 AC Power Cord Connector 6 eS Line Out Connector for powered audio devices green 2 H D DisplayPort Monitor Connector 7 e lt USB 2 0 Ports black with keyboard wakeup function 3 eg RJ 45 network Jack 8 ss USB3 0 Ports blue 4 Power Cord Retainer Clip 9 Cable lock slot 5 VGA Monitor Connector blue Rear panel components 3 Serial number location Each computer has a unique serial number and a product ID number that are located on the exterior of the computer
20. ter you agree to be bound by the terms of the HP End User License Agreement EULA If you do not accept these license terms your sole remedy is to return the entire unused product hardware and software within 14 days for a refund subject to the refund policy of your place of purchase For any further information or to request a full refund of the computer please contact your local point of sale the seller About This Book This guide provides basic information for upgrading the HP Desktop Mini Business PC A WARNING Text set off in this manner indicates that failure to follow directions could result in bodily harm or loss of life N CAUTION Text set off in this manner indicates that failure to follow directions could result in damage to equipment or loss of information Ex NOTE Text set off in this manner provides important supplemental information iv About This Book Table of contents E ProNET OS i eateries ee eee eee 1 Standard configuration features ssvsssconssssssnevnaveeseereeanocnesossduendessnwonsd issuodincusiedecasvouguobwensoaddavadensadeeonseseadassenegeeveenens 1 Front panel ORNP ONOINGS sorae a a A E EAN 2 R a panel COmMDONENTS sesira E E aE 3 Seralnumber OC AUION ga dcctpaccnrwaceeseesteceatatedenteentesacesruvacassncwtesciennineca EN aS rE E e E ENEE 4 ET E ag urescnties ch icetce ean n cemoniaktnawnc swtidceeksd seendentes 5 SOR VICC DINE 1 Ine CS iivacessnasesnnavssecasorecessieswusinosact N PAE
21. to AC power HP encourages customers to recycle used electronic hardware HP original print cartridges and rechargeable batteries For more information about recycling programs go to http www hp com recycle 1 Remove disengage any security devices that prohibit opening the computer 2 Remove all removable media such as a USB flash drive from the computer 3 Turnoff the computer properly through the operating system then turn off any external devices 4 Disconnect the power cord from the power outlet and disconnect any external devices A 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 You must disconnect the power cord to avoid damage to the internal components of the computer 5 Remove the computer access panel Replacing the battery 19 20 6 Locate the battery and battery holder on the system board 7 Depending on the type of battery holder on the system board complete the following instructions to replace the battery EA NOTE You may need to use a small tool such as tweezers or needle nose pliers to remove and replace the battery a Pull back on the clip 1 that is holding the battery in place and lift the battery out of the holder 2 Chapter 2 Hardware upgrades b Pull back on the clip 1 and slide the replacement battery down into the holder 2 A CAUTION Be sure the symbol on the battery i
22. transfer the data to the new hard drive 1 Remove disengage any security devices that prohibit opening the computer 2 Remove all removable media such as a USB flash drive from the computer 3 Turnoff the computer properly through the operating system then turn off any external devices 4 Disconnect the power cord from the power outlet and disconnect any external devices A 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 You must disconnect the power cord to avoid damage to the internal components of the computer 5 Ifthe computer is on a stand remove the computer from the stand 6 Remove the computer access panel 7 Push down the release lever next to the rear of the hard drive 1 Hold the release lever down and slide the drive back until it stops then lift the drive up and out of the bay 2 Removing and replacing a hard drive 11 8 Unplug the combined power and data cable from the hard drive 9 Transfer the silver and blue isolation mounting guide screws from the old hard drive to the new hard drive 12 Chapter2 Hardware upgrades 10 Hold the new hard drive over the bay and plug the combined power and data cable into the hard drive 11 Align the guide screws with the slots on the chassis drive cage press the hard drive down into the bay then slide it forward until it stops and locks in place 12
23. uter or optional equipment Before beginning these procedures ensure that you are discharged of static electricity by briefly touching a grounded metal object See Electrostatic discharge on page 26 for more information 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 damage to internal components Serviceability features 5 6 Connecting the power cord When connecting the power supply it is important to follow the steps below to ensure the power cord does not pull free from the computer 1 2 3 Plug the female end of the power cord into the power supply brick 1 Connect the other end of the power cord to an electrical outlet 2 Connect the round end of the power supply cord to the power supply connector on the rear of the computer 3 Route the power cord through the retainer clip to prevent the cord from becoming disconnected from the computer 4 Bundle any excess power cord with the supplied strap 5 A CAUTION Failure to secure the power cable with the retainer clip may result in the power cord becoming disconnected and loss of data Chapter 2 Hardware upgrades Removing the computer access panel To access internal components you must remove the access panel 1 Remove disengage any security devices that prohibit opening the computer 2 Remove all remov
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