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7

Removal and Replacement Procedures
Microtower (MT) Chassis

Adherence to the procedures and precautions described in this chapter is essential for proper service.
After completing all necessary removal and replacement procedures, run the Diagnostics utility to verify
that all components operate properly.

NOTE:

Not all features listed in this guide are available on all computers.

Serial Number Location

Each computer has a unique serial number and product ID number that are located on the top of the
computer. Keep these numbers available for use when contacting customer service for assistance.

Figure 7-1

Serial Number and Product ID Location – dx2810

36

Chapter 7 Removal and Replacement Procedures Microtower (MT) Chassis

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Summary of Contents for Compaq dx2810 Microtower

Page 1: ...Service Reference Guide HP Compaq dx2810 Microtower HP Compaq dx2810 Special Edition Microtower HP Compaq dx2818 Microtower HP Compaq dx2810 Small Form Factor Business PCs ...

Page 2: ...companying such products and services Nothing herein should be construed as constituting an additional warranty HP shall not be liable for technical or editorial errors or omissions contained herein This document contains proprietary information that is protected by copyright No part of this document may be photocopied reproduced or translated to another language without the prior written consent ...

Page 3: ...ollow directions could result in bodily harm or loss of life CAUTION Text set off in this manner indicates that failure to follow directions could result in damage to equipment or loss of information NOTE Text set off in this manner provides important supplemental information iii ...

Page 4: ...iv About This Book ...

Page 5: ...ty Computer Setup F10 Utilities 10 Using Computer Setup F10 Utilities 10 Computer Setup Main 11 Computer Setup Advanced 12 Computer Setup Power 14 Computer Setup Boot 15 Computer Setup Exit 16 Recovering the Configuration Settings 16 4 Computer Diagnostic Features HP Insight Diagnostics 17 Accessing HP Insight Diagnostics 17 Survey Tab 18 Diagnose Tab 18 Test Tab 19 Status Tab 20 Log Tab 21 Help T...

Page 6: ... Equipment 29 Personal Grounding Methods and Equipment 29 Grounding the Work Area 30 Recommended Materials and Equipment 30 Operating Guidelines 31 Routine Care 32 General Cleaning Safety Precautions 32 Cleaning the Computer Case 32 Cleaning the Keyboard 32 Cleaning the Monitor 33 Cleaning the Mouse 33 Service Considerations 33 Power Supply Fan 33 Tools and Software Requirements 33 Screws 34 Cable...

Page 7: ...nch Hard Drive 60 Installing an Internal 3 5 inch Hard Drive 63 Front I O and USB Panel Housing Assembly 66 Power Switch LED Assembly 67 System Fan 68 Heatsink assembly 69 Processor 70 Power Supply 71 System Board 73 Battery 75 Type 1 Battery Holder 76 Type 2 Battery Holder 76 Type 3 Battery Holder 77 Installing a Security Lock 78 Cable Lock 78 Padlock 78 HP Business PC Security Lock 79 Hood Senso...

Page 8: ...ng or Installing an Expansion Card 109 Plastic Wire Cable Fastener and Clips 113 Front I O Device 114 Power Switch Assembly 115 Speaker 116 Heatsink 117 Processor 118 Power Supply 119 System Board 121 Battery 122 Type 1 Battery Holder 123 Type 2 Battery Holder 123 Type 3 Battery Holder 124 Installing a Security Lock 125 Cable Lock 125 Padlock 125 HP Business PC Security Lock 126 Appendix A Connect...

Page 9: ... Requirements 136 Appendix C Troubleshooting Safety and Comfort 137 Before You Call for Technical Support 137 Helpful Hints 138 Solving General Problems 139 Solving Hardware Installation Problems 142 Interpreting POST Diagnostic Front Panel LEDs and Audible Codes 143 Contacting Customer Support 145 Appendix D Specifications Microtower 146 Small Form Factor 147 Index 149 ix ...

Page 10: ...x ...

Page 11: ...ctivity Light 2 Optical Drive Activity Light 7 Optical Drive Eject Button 3 Diskette Drive optional 2 8 USB Universal Serial Bus 2 0 Ports 4 Reset Recovery Button 9 Headphone Connector 5 Dual State Power Button 10 Microphone Connector 1 Some models have bezel blanks covering one or both of the 5 25 inch drive bays 2 Some models have a bezel blank covering the 3 5 inch drive bay Front Panel Compone...

Page 12: ...2 Optical Drive Activity Light 7 Optical Drive Eject Button 3 Diskette Drive optional 2 8 USB Universal Serial Bus 2 0 Ports 4 Microphone Connector 9 Headphone Connector 5 Dual State Power Button 1 Some models have bezel blanks covering one or both of the 5 25 inch drive bays 2 Some models have a bezel blank covering the 3 5 inch drive bay 2 Chapter 1 Product Features ...

Page 13: ... Port teal 6 Line In Audio Connector blue 12 PS 2 Keyboard Connector purple NOTE Arrangement and number of connectors may vary by model The monitor connector on the system board is inactive when a PCI Express x16 graphics card is installed in the computer If a PCI Express x1 graphics card is installed the connectors on the card and the system board may be used at the same time Some settings may ne...

Page 14: ...ector purple 6 Line Out Connector for powered audio devices green NOTE Arrangement and number of connectors may vary by model The monitor connector on the system board is inactive when a PCI Express x16 graphics card is installed in the computer If a PCI Express x1 graphics card is installed the connectors on the card and the system board may be used at the same time Some settings may need to be c...

Page 15: ... keys allow you to move left right up and down using the keyboard instead of the mouse 6 Ctrl Keys Used in combination with another key their effect depends on the application software you are using 7 Application Key1 Used like the right mouse button to open pop up menus in a Microsoft Office application May perform other functions in other software applications 8 Windows Logo Keys1 Used to open t...

Page 16: ...rs if you are not connected to a network domain Windows Logo Key r Launches the Run dialog box Windows Logo Key u Launches the Utility Manager Windows Logo Key Pause Break Launches the System Properties dialog box Windows Logo Key Tab Windows XP Cycles through the Taskbar buttons Windows Vista Cycles through programs on the Taskbar using the Windows Flip 3 D In addition to the Windows Logo Key fun...

Page 17: ...unique serial number and product ID number that are located on the top of the computer Keep these numbers available for use when contacting customer service for assistance Figure 1 6 Serial Number and Product ID Location Serial Number Location 7 ...

Page 18: ...per installation NOTE If the computer shipped with more than one operating system language on the hard drive the installation process could take up to 60 minutes If your computer was not shipped with a Microsoft operating system some portions of this documentation do not apply Additional information is available in online help after you install the operating system Installing or Upgrading Device D...

Page 19: ...create the Recovery Disc Set 1 Click Start HP Backup and Recovery HP Backup and Recovery Manager to open the Backup and Recovery Wizard then click Next 2 Select Create a set of recovery discs Recommended and click Next 3 Follow the instructions in the wizard For more information on using HP Backup and Recovery Manager refer to the HP Backup and Recovery Manager User Guide by selecting Start HP Bac...

Page 20: ... Utility and the settings described in this section Using Computer Setup F10 Utilities Computer Setup can be accessed only by turning the computer on or restarting the system To access the Computer Setup Utilities menu complete the following steps 1 Turn on or restart the computer 2 As soon as the computer is turned on press F10 when the monitor light turns green to enter Computer Setup NOTE If yo...

Page 21: ...nges because the CMOS could become corrupted It is safe to turn off the computer only after exiting the F10 Setup screen Computer Setup Main NOTE Support for specific Computer Setup options may vary depending on the hardware configuration Table 3 1 Computer Setup Main Option Description System Time Allows you to set system time System Date Allows you to set system date Floppy Diskette A Allows you...

Page 22: ...re Version Product Name Product Number Serial Number UUID Asset Tag press Enter to change Computer Setup Advanced NOTE Support for specific Computer Setup options may vary depending on the hardware configuration WARNING Setting items on this menu to incorrect values may cause your system to malfunction Table 3 2 Computer Setup Advanced Option Description Primary Video Adapter Allows you to select ...

Page 23: ...ows you to disable enable the SATA1 Controller SATA1 Controller Mode If SATA1 Controller is enabled allows you to set the mode to IDE RAID AHCI Onboard Audio Allows you to set the onboard audio to Enabled Disabled Auto Onboard LAN Allows you to disable enable onboard LAN controller Onboard LAN Boot ROM Allows you to disable enable the boot ROM of the onboard LAN chip USB Ports Allows you to disabl...

Page 24: ...uration Table 3 3 Computer Setup Power Option Description After AC Power Failure Allows you to select system restart behavior after power loss Stay Off Power On Auto XD Disables enables XD bit Virtualization Technology Allows you to disable enable Virtualization Technology 14 Chapter 3 Computer Setup F10 Utility ...

Page 25: ... Boot Device 2nd Boot Device 3rd Boot Device 4th Boot Device Allows you to specify which device groups will boot first second third and fourth or to disable any of the four Floppy Group CD ROM Group Hard Drive Group Network Boot Group NOTE MS DOS drive lettering assignments may not apply after a non MS DOS operating system has started Floppy Group Boot Priority Specifies boot device priority withi...

Page 26: ...changes Load Setup Defaults Press Enter to load setup defaults Discard Changes Press Enter to discard changes Save Changes Press Enter to save changes Recovering the Configuration Settings To reset all BIOS Setup options to their default values including options for ctrl F10 you must enter F10 Setup mode and press F5 This does not include updates to system date system time supervisor password user...

Page 27: ...l but recommended after installing or connecting a new device You should run tests save the test results and print them so that you have printed reports available before placing a call to the Customer Support Center NOTE Third party devices may not be detected by HP Insight Diagnostics Accessing HP Insight Diagnostics You must boot to the Documentation and Diagnostics DVD as described in the steps...

Page 28: ...e computer Memory Shows information about all memory in the computer This includes memory slots on the system board and any memory modules installed Miscellaneous Shows HP Insight Diagnostics version information computer configuration memory CMOS information system board data and system management BIOS data Storage Shows information about storage media connected to the computer This list includes ...

Page 29: ...health of a logical volume NOTE Smart Array Drive Diagnosis has the unique capability of identifying multiple disk drives in a single volume that are functioning normally but should be replaced To diagnose a logical volume 1 Click the Diagnose tab 2 Under Smart Array Drive Diagnosis click to expand Storage 3 Select the logical volumes to diagnose and click the Diagnose button 4 The test status of ...

Page 30: ...ices 6 Click the Begin Testing button at the bottom right corner of the screen to start the test The Status tab which allows you to monitor the progress of the test is automatically displayed during the testing process When the test is complete the Status tab shows whether the device passed or failed 7 If errors are found go to the Log tab and click the Error Log to display more detailed informati...

Page 31: ...onents tab The HP Insight Diagnostics tab contains help topics and includes search and index features The Error Codes tab provides a description of each numerical error code that may appear in the Error Log tab located on the Log tab Each code has a corresponding error Message and a Recommended Repair action that should help solve the problem To find an error code description quickly enter the cod...

Page 32: ... Downloads link 3 Enter your product number for example dx2810 in the text box and press the Enter key 4 Select your specific computer model 5 Select your OS 6 Click the Diagnostic link 7 Click HP Insight Diagnostics Offline Edition 8 Select a language and click Download NOTE The download includes instructions on how to create the bootable CD Protecting the Software To protect software from loss o...

Page 33: ...ecovery Disc Set immediately before using the computer and schedule regular automatic Recovery Point backups To create the Recovery Disc Set 1 Click Start HP Backup and Recovery HP Backup and Recovery Manager to open the Backup and Recovery Wizard then click Next 2 Select Create a set of recovery discs Recommended and click Next 3 Follow the instructions in the wizard For more information on using...

Page 34: ...e voltages 3 3 V 5 V 12 V Jumpers for configuring drive N A Data transfer rate 3 0 Gb s SATA Hard Drive Cables SATA Data Cable Always use an HP approved SATA 3 0 Gb s cable as it is fully backwards compatible with the SATA 1 5 Gb s drives Current HP desktop products ship with SATA 3 0 Gb s hard drives SATA data cables are susceptible to damage if overflexed Never crease a SATA data cable and never...

Page 35: ...um usable size of a drive partition A drive partition is the largest segment of a drive that may be properly accessed by the operating system A single hard drive may therefore be subdivided into a number of unique drive partitions in order to make use of all of its space Because of the differences in the way that drive sizes are calculated the size reported by the operating system may differ from ...

Page 36: ... CAUTION When the computer is plugged into an AC power source voltage is always applied to the system board You must disconnect the power cord from the power source before opening the computer to prevent system board or component damage Chassis Designations The following subsection illustrates the dx2810 chassis design Microtower MT Figure 6 1 Model dx2810 26 Chapter 6 Identifying the Chassis Rout...

Page 37: ...Figure 6 2 Model dx2810 Special Edition Figure 6 3 Model dx2818 Chassis Designations 27 ...

Page 38: ... internal layers reducing its life expectancy Networks built into many integrated circuits provide some protection but in many cases the discharge contains enough power to alter device parameters or melt silicon junctions Generating Static The following table shows that Different activities generate different amounts of static electricity Static electricity increases as humidity decreases Relative...

Page 39: ...grounded surface before removing them from their container Always be properly grounded when touching a sensitive component or assembly Avoid contact with pins leads or circuitry Place reusable electrostatic sensitive parts from assemblies in protective packaging or conductive foam Personal Grounding Methods and Equipment Use the following equipment to prevent static electricity damage to equipment...

Page 40: ...ch as ordinary plastic assembly aids and Styrofoam Use field service tools such as cutters screwdrivers and vacuums that are conductive Recommended Materials and Equipment Materials and equipment that are recommended for use in preventing static electricity include Antistatic tape Antistatic smocks aprons or sleeve protectors Conductive bins and other assembly or soldering aids Conductive foam Con...

Page 41: ... of the computer Lint dust and other foreign matter can block the vents and limit the airflow Be sure to unplug the computer before cleaning the air vents Never operate the computer with the cover or side panel removed Do not stack computers on top of each other or place computers so near each other that they are subject to each other s re circulated or preheated air If the computer is to be opera...

Page 42: ...bborn stains use isopropyl rubbing alcohol No rinsing is needed as the alcohol will evaporate quickly and not leave a residue After cleaning always wipe the unit with a clean lint free cloth Occasionally clean the air vents on the computer Lint and other foreign matter can block the vents and limit the airflow Cleaning the Keyboard Follow all safety precautions in General Cleaning Safety Precautio...

Page 43: ...the mouse ensure that the power to the computer is turned off Clean the mouse ball by first removing the retaining plate and the ball from the housing Pull out any debris from the ball socket and wipe the ball with a clean dry cloth before reassembly To clean the mouse body follow the procedures in Cleaning the Computer Case on page 32 Service Considerations Listed below are some of the considerat...

Page 44: ... snagged by parts being removed or replaced CAUTION When servicing this computer ensure that cables are placed in their proper location during the reassembly process Improper cable placement can damage the computer Hard Drives Handle hard drives as delicate precision components avoiding all physical shock and vibration This applies to failed drives as well as replacement spares If a drive must be ...

Page 45: ...There is a risk of fire and chemical burn if the battery is handled improperly Do not disassemble crush puncture short external contacts dispose in water or fire or expose it to temperatures higher than 140ºF 60ºC Do not attempt to recharge the battery NOTE Batteries battery packs and accumulators should not be disposed of together with the general household waste In order to forward them to recyc...

Page 46: ... verify that all components operate properly NOTE Not all features listed in this guide are available on all computers Serial Number Location Each computer has a unique serial number and product ID number that are located on the top of the computer Keep these numbers available for use when contacting customer service for assistance Figure 7 1 Serial Number and Product ID Location dx2810 36 Chapter...

Page 47: ...ystem is plugged into an active AC outlet In some systems the cooling fan is on even when the computer is in the Standby or Suspend modes The power cord should always be disconnected before servicing a unit 5 Disconnect the power cord from the electrical outlet and then from the computer 6 Disconnect all peripheral device cables from the computer NOTE During disassembly label each cable as you rem...

Page 48: ...unit NOTE You may want to lay the computer on its side to install internal parts Be sure the side with the access panel is facing up Figure 7 3 Removing the Computer Access Panel NOTE If the access panel is removed while power is still supplied to the computer the hood sensor will sound an alarm If the alarm sounds unplug the computer and leave it unplugged until the access panel is replaced To re...

Page 49: ...tward on the three latches on the right side of the bezel 1 then rotate the right side of the bezel off the chassis 2 followed by the left side Figure 7 4 Removing the Front Bezel dx2810 Figure 7 5 Removing the Front Bezel dx2818 NOTE The appearance of the front bezel may vary To reinstall the front bezel reverse the removal procedure Front Bezel 39 ...

Page 50: ...y twist and pull on the bezel blank until it breaks free from the front bezel 1 then discard the bezel blank If the blank needs to be replaced at a later date you can order a replacement blank from HP 3 To remove the 3 5 inch bezel blank press the two retaining tabs towards the outer left edge of the bezel 2 and pull the bezel blank inwards to free it from the front bezel 3 Figure 7 6 Removing a B...

Page 51: ...ed in a high performing dual channel mode DDR2 SDRAM DIMMs For proper system operation the DDR2 SDRAM DIMMs must be industry standard 240 pin unbuffered PC2 6400 800 MHz compliant 1 8 volt DDR2 SDRAM DIMMs The DDR2 SDRAM DIMMs must also support CAS latency 5 DDR2 800 Mhz 5 5 5 timing and CAS latency 6 DDR2 800 Mhz 6 6 6 timing contain the mandatory JEDEC SPD information In addition the computer su...

Page 52: ...talled The system will operate in single channel mode if the DIMM sockets are populated in one channel only The system will operate in a higher performing dual channel mode if the total memory capacity of the DIMMs in Channel A is equal to the total memory capacity of the DIMMs in Channel B The technology and device width can vary between the channels For example if Channel A is populated with two...

Page 53: ...mory 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...

Page 54: ...age 42 for more information 5 Push the DIMM module down firmly into the socket ensuring that the module is fully inserted and properly seated The DIMM must be pushed all the way down into the socket and sit evenly in the socket to avoid memory corruption Make sure the latches are in the closed position 3 6 Repeat steps 5 and 6 to install any additional modules 7 Replace the computer access panel 8...

Page 55: ...lot 2 PCI expansion slot 3 PCI Express x1 expansion slot 4 PCI Express x16 expansion slot NOTE You can install a PCI Express x1 x4 x8 or x16 expansion card in the PCI Express x16 expansion slot To remove replace or add an expansion card 1 Prepare the computer for disassembly Preparation for Disassembly on page 37 2 Remove the access panel Access Panel on page 38 3 Locate the correct vacant expansi...

Page 56: ...the existing expansion card NOTE Before removing an installed expansion card disconnect any cables that may be attached to the expansion card a If you are installing an expansion card in a vacant socket you must use a flatblade screwdriver to pry out the metal shield on the rear panel that covers the expansion slot Be sure to remove the appropriate shield for the expansion card you are installing ...

Page 57: ... are removing a PCI Express x16 card pull the retention arm on the back of the expansion socket away from the card and carefully rock the card back and forth until the connectors pull free from the socket Be sure not to scrape the card against the other components Figure 7 13 Removing a PCI Express x16 Expansion Card 6 Store the removed card in anti static packaging 7 If you are not installing a n...

Page 58: ...down into the expansion socket on the system board Figure 7 14 Installing an Expansion Card NOTE When installing an expansion card press firmly on the card so that the whole connector seats properly in the expansion card slot 9 Replace the slot cover lock and secure it in place with the screw that was previously removed Figure 7 15 Securing the Expansion Cards and Slot Covers NOTE The appearance o...

Page 59: ...take excessive pressure on them Some flat ribbon cables come pre folded Never change the folds on these cables Never bend a SATA data cable tighter than a 30 mm 1 18 in radius Never crease a SATA data cable Do not rely on components like the drive cage power supply or computer cover to push cables down into the chassis Always position the cables to lay properly by themselves When removing the powe...

Page 60: ...e CHASSIS_FAN1 Brown Chassis fan CPU FAN White Heatsink fan F_PANEL Black Front power button LED F_USB1 White Front I O USB cable F_AUDIO Yellow Front I O audio SPEAKER White Internal speaker F_1394 Red Serial port F_USB2 Black Media card reader SATA0 dark blue Primary hard drive SATA1 white Primary optical drive SATA4 red Second hard drive SATA5 black Second optical drive 50 Chapter 7 Removal and...

Page 61: ...hown 2 One 3 5 inch external drive bay for optional drive diskette drive shown 3 Primary 3 5 inch internal hard drive bay 4 Secondary 3 5 inch internal hard drive bay for optional hard drive To verify the type size and capacity of the storage devices installed in the computer run Computer Setup Refer to the Computer Setup F10 Utility Guide for more information Drives 51 ...

Page 62: ...nector labeled FLOPPY Connect a media card reader to the USB connector labeled F_USB2 The system does not support Parallel ATA PATA optical drives or PATA hard drives You may install either a third height or a half height drive into a half height bay If needed HP has provided extra drive retainer screws on the interior of the front bezel that are used to secure the drives in the drive cage Hard dr...

Page 63: ... drive ensure that you are discharged of static electricity While handling a drive avoid touching the connector Handle a drive carefully do not drop it Do not use excessive force when inserting a drive Avoid exposing a hard drive to liquids temperature extremes or products that have magnetic fields such as monitors or speakers If a drive must be mailed place the drive in a bubble pack mailer or ot...

Page 64: ...em Board Drive Connections Table 7 3 System Board Drive Connections No System Board Connector System Board Label Color 1 Media Card Reader F_USB2 white 2 SATA1 SATA1 dark blue 3 SATA2 SATA2 white 4 SATA3 SATA3 light blue 5 SATA4 SATA4 orange 6 Diskette Drive FLOPPY black 54 Chapter 7 Removal and Replacement Procedures Microtower MT Chassis ...

Page 65: ... 1 and data cable 2 from the rear of the optical drive Figure 7 19 Disconnecting the Power and Data Cables 2 Remove the two screws that secure the drive to the drive cage 1 then slide the drive out of the front of the chassis 2 Figure 7 20 Removing the Optical Drive NOTE To install an optical drive refer to Installing an Optical Drive into the 5 25 inch Drive Bay on page 56 Drives 55 ...

Page 66: ...card the knockout plate 6 If the new drive has screws installed on the sides of the drive remove the screws before inserting the drive into the chassis 7 Slide the drive in through the front of the chassis 1 until the screw holes on the drive are aligned with the screw holes on the drive cage and install the two M3 metric retainer screws 2 as shown in the following illustration NOTE Extra drive re...

Page 67: ...el was removed The system automatically recognizes the drive and reconfigures the computer Removing an External 3 5 inch Drive CAUTION All removable media should be taken out of a drive before removing the drive from the computer NOTE The 3 5 inch drive bay may contain a diskette drive or a media card reader 1 Prepare the computer for disassembly Preparation for Disassembly on page 37 2 Remove the...

Page 68: ...tainer screws that secure the drive to the bay 1 then slide the drive forward and out of the bay 2 Figure 7 24 Removing a 3 5 inch Device Diskette Drive Shown NOTE To install an external 3 5 inch drive refer to Installing a Drive into the 3 5 inch External Drive Bay on page 59 58 Chapter 7 Removal and Replacement Procedures Microtower MT Chassis ...

Page 69: ...ws installed on the sides of the drive remove them before inserting the drive into the chassis 7 Slide the drive in through the front of the chassis 1 until the screw holes on the drive are aligned with the screw holes on the drive cage and install the two M3 metric retainer screws 2 as shown in the illustration below NOTE Extra drive retainer screws are provided on the interior of the front bezel...

Page 70: ...fer the data to the new hard drive Also if you are replacing the primary hard drive make sure you have created a Recovery Disc Set to restore the operating system software drivers and any software applications that were preinstalled on the computer If you do not have this CD set select Start HP Backup and Recovery and create it now 1 Prepare the computer for disassembly Preparation for Disassembly...

Page 71: ... hard drive cage 1 then slide the hard drive cage away from the bottom of the chassis 2 as shown below Figure 7 27 Releasing the Hard Drive Cage 5 Lift the hard drive cage out of the chassis Figure 7 28 Removing the Hard Drive Cage Drives 61 ...

Page 72: ...our screws that secure the hard disk drive to the hard drive cage 1 then slide the hard disk drive out of the hard drive cage 2 Figure 7 30 Removing the Hard Drive NOTE To install an internal 3 5 inch hard drive refer to Installing an Internal 3 5 inch Hard Drive on page 63 62 Chapter 7 Removal and Replacement Procedures Microtower MT Chassis ...

Page 73: ...d disk drive to the hard drive cage 2 Make sure the hard disk drive cables are facing the top of the drive cage NOTE If you are replacing an old drive with a new drive use the four retainer screws from the old drive to install the new drive NOTE If you are installing a second hard drive use four of the extra standard 6 32 screws that are installed on the interior of the front bezel The 6 32 screws...

Page 74: ...or bend a SATA data cable tighter than a 30 mm 1 18 in radius A sharp bend can break the internal wires 4 Place the hard drive cage into the chassis 1 then slide it down toward the bottom of the chassis until it locks into place 2 Figure 7 33 Installing the Hard Drive Cage 64 Chapter 7 Removal and Replacement Procedures Microtower MT Chassis ...

Page 75: ...SATA1 to avoid any hard drive performance problems If you are adding a second hard drive connect the data cable to the light blue connector labeled SATA3 7 Replace the computer access panel 8 Reconnect the power cord and any external devices then turn on the computer 9 Lock any security devices that were disengaged when the access panel was removed NOTE If you are replacing the primary hard drive ...

Page 76: ...emove the front bezel Front Bezel on page 39 5 Unplug the four cables that connect the assembly to the system board 6 Remove the screw 1 that secures the housing to the chassis slide the housing up 2 and then pull the assembly away from the chassis while guiding the cables through the hole in the chassis To install the housing assembly reverse the removal procedures 66 Chapter 7 Removal and Replac...

Page 77: ...rive Removing an Optical Drive on page 55 6 Disconnect the braided cables from the system board 7 Remove the cable from the clips in the optical drive cage 8 Press the tab on the right side of the switch holder 1 to disengage it from the chassis rotate the switch to the left 2 and then pull it to the right and away from the chassis while guiding the wires through the hole in the chassis To install...

Page 78: ...ou 4 Disconnect the cable that connects the system fan to the system board 5 Remove the four Phillips screws that secure the fan to the chassis rotate the top of the fan forward and then remove the fan from the chassis NOTE The appearance of the power supply varies based on model To install the fan reverse the removal procedures 68 Chapter 7 Removal and Replacement Procedures Microtower MT Chassis...

Page 79: ... side to keep from contaminating the work area with thermal grease CAUTION Heatsink retaining screws should be tightened in diagonally opposite pairs as in an X to evenly seat the heatsink to the processor This is especially important as the pins on the socket are very fragile and any damage to them may require replacing the system board When reinstalling an existing heatsink make sure that its bo...

Page 80: ...ragile and handling them could cause irreparable damage Once pins are damaged it may be necessary to replace the system board CAUTION The heatsink must be installed within 24 hours of installing the processor to prevent damage to the processor s solder connections To install a new processor 1 Place the processor in its socket and close the retainer 2 Secure the locking lever If reusing the existin...

Page 81: ...puter The latest system ROM BIOS can be found on the Web at http support files Power Supply NOTE The appearance of the power supply varies based on model WARNING Voltage is always present on the system board when the computer is plugged into an active AC outlet To avoid possible personal injury and damage to the equipment the power cord should be disconnected from the computer and or the AC outlet...

Page 82: ...5 Remove the four screws that secure the power supply to the chassis 72 Chapter 7 Removal and Replacement Procedures Microtower MT Chassis ...

Page 83: ... sure that the following components are removed from the defective system board and installed on the replacement system board Memory modules Processor 1 Prepare the computer for disassembly Preparation for Disassembly on page 37 2 Remove the access panel Access Panel on page 38 3 Lay the computer on its side with the rear facing toward you 4 Remove the front bezel Front Bezel on page 39 5 Remove a...

Page 84: ...tly different from the one shown here To install the system board reverse the removal procedure NOTE When replacing the system board you must also change the chassis serial number in the BIOS NOTE After installing a new system board always update the system ROM to ensure that the latest version of the BIOS is being used on the computer The latest system ROM BIOS can be found at http support files ...

Page 85: ...the HP Compaq spare designated for this product CAUTION Before replacing the battery it is important to back up the computer CMOS settings When the battery is removed or replaced the CMOS settings will be cleared Refer to the Troubleshooting Guide for information on backing up the CMOS settings NOTE Batteries battery packs and accumulators should not be disposed of together with the general househ...

Page 86: ...tem setups using Computer Setup Refer to the Computer Setup F10 Utility Guide Type 2 Battery Holder 1 To release the battery from its holder squeeze the metal clamp that extends above one edge of the battery When the battery pops up lift it out 1 2 To insert the new battery slide one edge of the replacement battery under the holder s lip with the positive side up 2 Push the other edge down until t...

Page 87: ... Battery Holder 1 Pull back on the clip 1 that holds the battery in place then remove the battery 2 2 Insert the new battery and position the clip back in place 3 Replace the computer access panel 4 Plug in the computer and turn on power to the computer 5 Reset the date and time your passwords and any special system setups using Computer Setup Refer to the Computer Setup F10 Utility Guide Battery ...

Page 88: ...locks displayed below and on the following pages can be used to secure the computer Cable Lock Figure 7 35 Installing a Cable Lock Padlock Figure 7 36 Installing a Padlock 78 Chapter 7 Removal and Replacement Procedures Microtower MT Chassis ...

Page 89: ... security cable by looping it around a stationary object Figure 7 37 Securing the Cable to a Fixed Object 2 Thread the keyboard and mouse cables through the lock Figure 7 38 Threading the Keyboard and Mouse Cables Installing a Security Lock 79 ...

Page 90: ...hing the Lock to the Chassis 4 Insert the plug end of the security cable into the lock 1 and push the button in 2 to engage the lock Use the key provided to disengage the lock Figure 7 40 Engaging the Lock 80 Chapter 7 Removal and Replacement Procedures Microtower MT Chassis ...

Page 91: ...close the access panel tighten the thumbscrew then reboot the system The system will enter the operating system successfully If the error message persists press the F10 key immediately when the HP Logo screen is displayed to enter the Computer Setup menu In the menu select Advanced Hood Sensor Reset Case Open Status and make sure Enable is selected then press the F10 key to Save and Exit then rebo...

Page 92: ...n slide the top half of the cover onto the chassis at an angle 2 then rotate the top half down onto the bottom half 3 Ensure that the cables coming out of the rear of the computer are routed through the holes in the port cover 82 Chapter 7 Removal and Replacement Procedures Microtower MT Chassis ...

Page 93: ...t are connected to it CAUTION Turn off the computer before disconnecting any cables Regardless of the power on state voltage is always present on the system board as long as the system is plugged into an active AC outlet In some systems the cooling fan is on even when the computer is in the Standby or Suspend modes The power cord should always be disconnected before servicing a unit 5 Disconnect t...

Page 94: ...at secure the access panel to the computer chassis 1 3 Slide the access panel back about 1 3 cm 1 2 inch then lift it away from and off the unit 2 Figure 8 1 Removing the Access Panel To install the access panel reverse the removal procedure 84 Chapter 8 Removal and Replacement Procedures Small Form Factor SFF Chassis ...

Page 95: ...the access panel Access Panel on page 84 3 To remove the front bezel pull up on each of the three tabs on the top of the bezel 1 to release them then rotate the bezel down and off the chassis 2 Figure 8 2 Removing the Front Bezel To install the front bezel reverse the removal procedure Front Bezel 85 ...

Page 96: ...e 84 3 Remove the front bezel Front Bezel on page 85 4 While facing the inside of the front bezel press the two retaining tabs on the right towards the outer edge of the bezel 1 and pull the bezel blank inwards to remove it 2 Figure 8 3 Removing a Bezel Blank 86 Chapter 8 Removal and Replacement Procedures Small Form Factor SFF Chassis ...

Page 97: ...ease Sharp creases may damage the wires Some flat ribbon cables come prefolded Never change the folds on these cables Do not bend any cable sharply A sharp bend can break the internal wires Never bend a SATA data cable tighter than a 30 mm 1 18 in radius Never crease a SATA data cable Do not rely on components like the drive cage power supply or access panel to push cables down into the chassis Al...

Page 98: ...me Connector Color Description F_PANEL Black Front LED Power cable SPEAKER White Speaker cable FLOPPY Black Diskette drive F_AUDIO Yellow Front audio cable F_USB1 White Front I O USB cable SATA1 Dark blue Primary hard drive data cable SATA2 White Optical drive data cable SATA3 Light blue Optional drive SATA4 Orange Optional drive CPU FAN White Heatsink fan cable F_USB2 Black Media card reader cabl...

Page 99: ... external drive bay for optional drive diskette drive shown 2 3 5 inch internal hard drive bay 3 5 25 inch external drive bay for optional drive optical drive shown To verify the type size and capacity of the storage devices installed in the computer run Computer Setup Refer to the Computer Setup F10 Utility Guide for more information Drives 89 ...

Page 100: ...s The HP supplied M3 metric guide screws 1 are black The HP supplied 6 32 standard screws 1 are silver Figure 8 5 Extra Drive Retainer Screws Location CAUTION To prevent loss of work and damage to the computer or drive If you are inserting or removing a drive shut down the operating system properly turn off the computer and unplug the power cord Do not remove a drive while the computer is on or in...

Page 101: ...ve connectors Figure 8 6 System Board Drive Connections Table 8 1 System Board Drive Connections No System Board Connector System Board Label Color 1 Media Card Reader F_USB2 black 2 SATA1 SATA1 dark blue 3 SATA2 SATA2 white 4 SATA3 SATA3 light blue 5 SATA4 SATA4 orange 6 Diskette Drive FLOPPY black Drives 91 ...

Page 102: ...r Disassembly on page 83 2 Remove the access panel Access Panel on page 84 3 Remove the front bezel Front Bezel on page 85 4 Disconnect the power cable 1 and data cable 2 from the rear of the optical drive Figure 8 7 Disconnecting the Power and Data Cables 5 Rotate the drive cage all the way up Figure 8 8 Rotating the Drive Cage Up 92 Chapter 8 Removal and Replacement Procedures Small Form Factor ...

Page 103: ... optical drive 1 Prepare the computer for disassembly Preparation for Disassembly on page 83 2 Remove the access panel Access Panel on page 84 3 Remove the front bezel Front Bezel on page 85 4 If you are installing a drive in a bay covered by a bezel blank remove the front bezel then remove the bezel blank 5 Install the guide screw in the front top hole on the left side of the drive Figure 8 10 In...

Page 104: ...right side of the drive cage 1 8 Secure the optical drive by fastening two retainer screws through the holes in the right side of the drive cage into the corresponding holes in the right side of the optical drive 2 NOTE Extra retainer screws are provided on the front of the chassis under the hard drive cage The M3 metric retainer screws for optical drives are black Figure 8 12 Installing the Optic...

Page 105: ... the optical drive Figure 8 14 Connecting the Power and Data Cables 12 Replace the front bezel and access panel 13 Reconnect the power cord and turn on the computer 14 Lock any security devices that were disengaged when the access panel was removed The system automatically recognizes the drive and reconfigures the computer Removing an External 3 5 inch Drive CAUTION All removable media should be t...

Page 106: ...he access panel Access Panel on page 84 3 Remove the front bezel Front Bezel on page 85 4 Disconnect the data cable 1 and power cable 2 from the rear of the drive Figure 8 15 Disconnecting the Diskette Drive Cables 5 Rotate the drive cage all the way up Figure 8 16 Rotating the Drive Cage Up 96 Chapter 8 Removal and Replacement Procedures Small Form Factor SFF Chassis ...

Page 107: ...he access panel Access Panel on page 84 3 Remove the front bezel Front Bezel on page 85 4 If you are installing a diskette drive or media card reader in a bay covered by a bezel blank remove the front bezel then remove the bezel blank 5 If you are adding a drive to an empty drive bay for the first time you must remove the knockout plate from the bay To do so insert a flat screwdriver into the knoc...

Page 108: ...ft side of the drive cage into the corresponding holes in the left side of the drive 2 Figure 8 19 Installing a 3 5 inch Device Diskette Drive Shown NOTE The drive cage screw holes for each type of drive are labeled CR for media card reader or FDD for diskette drive Extra retainer screws are provided on the front of the chassis under the hard drive cage The M3 metric retainer screws for diskette d...

Page 109: ...e rear of the drive and connect the other end of the data cable to the connector on the system board labeled FLOPPY b If installing a media card reader connect the USB cable from the media card reader to the USB connector on the system board labeled F_USB2 11 Replace the front bezel and access panel 12 Reconnect the power cord and turn on the computer 13 Lock any security devices that were disenga...

Page 110: ... and any software applications that were preinstalled on the computer If you do not have this CD set select Start HP Backup and Recovery and create it now 1 Prepare the computer for disassembly Preparation for Disassembly on page 83 2 Remove the access panel Access Panel on page 84 3 Remove the front bezel Front Bezel on page 85 4 Disconnect the power cable 1 and data cable 2 from the back of the ...

Page 111: ... all the way up Figure 8 22 Rotating the Drive Cage Up 6 Remove the two retainer screws that secure the drive to the bay 1 then slide the drive back and out of the bay 2 Figure 8 23 Removing an Internal Hard Drive Drives 101 ...

Page 112: ...the drive bay from the back until the two screw holes on the left side of the drive line up with the two screw holes on the left side of the drive cage 1 4 Secure the hard drive by fastening two retainer screws through the holes in the left side of the drive cage into the corresponding holes in the left side of the hard drive 2 Figure 8 25 Installing an Internal Hard Drive NOTE Extra retainer scre...

Page 113: ...cable tighter than a 30 mm 1 18 in radius A sharp bend can break the internal wires 7 Replace the access panel and front bezel 8 Reconnect the power cord and any external devices then turn on the computer 9 Lock any security devices that were disengaged when the access panel was removed NOTE If you are replacing the primary hard drive use the Recovery Disc Set to restore the operating system softw...

Page 114: ...mode DDR2 SDRAM DIMMs For proper system operation the DDR2 SDRAM DIMMs must be industry standard 240 pin unbuffered PC2 6400 800 MHz compliant 1 8 volt DDR2 SDRAM DIMMs The DDR2 SDRAM DIMMs must also support CAS latency 5 DDR2 800 Mhz 5 5 5 timing and CAS latency 6 DDR2 800 Mhz 6 6 6 timing contain the mandatory JEDEC SPD information In addition the computer supports 512Mbit 1Gbit and 2Gbit non EC...

Page 115: ...depending on how the DIMMs are installed The system will operate in single channel mode if the DIMM sockets are populated in one channel only The system will operate in a higher performing dual channel mode if the total memory capacity of the DIMMs in Channel A is equal to the total memory capacity of the DIMMs in Channel B The technology and device width can vary between the channels For example ...

Page 116: ...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 ...

Page 117: ...populate the white sockets before the black sockets in each channel In order to create a dual channel memory configuration the memory capacity of Channel A must equal the memory capacity of Channel B Refer to Populating DIMM Socketson page 105 for more information 6 Push the DIMM module down firmly into the socket ensuring that the module is fully inserted and properly seated The DIMM must be push...

Page 118: ...ter access panel 10 Reconnect the power cord and any external devices then turn on the computer The computer should automatically recognize the additional memory when you turn on the computer 11 Lock any security devices that were disengaged when the access panel was removed 108 Chapter 8 Removal and Replacement Procedures Small Form Factor SFF Chassis ...

Page 119: ...nsion Slot Locations Table 8 3 Expansion Slot Locations Item Description 1 PCI expansion slot 2 PCI expansion slot 3 PCI Express x1 expansion slot 4 PCI Express x16 expansion slot NOTE You can install a PCI Express x1 x4 x8 or x16 expansion card in the PCI Express x16 expansion slot 1 Prepare the computer for disassembly Preparation for Disassembly on page 83 2 Remove the access panel Access Panel...

Page 120: ...ng an installed expansion card disconnect any cables that may be attached to the expansion card a If you are installing an expansion card in a vacant socket you must use a flat blade screwdriver to pry out the metal shield on the rear panel that covers the expansion slot Be sure to remove the appropriate shield for the expansion card you are installing Figure 8 34 Removing an Expansion Slot Cover ...

Page 121: ... a PCI Express x16 card pull the retention arm on the back of the expansion socket away from the card and carefully rock the card back and forth until the connectors pull free from the socket Be sure not to scrape the card against the other components Figure 8 36 Removing a PCI Express x16 Expansion Card 5 Store the removed card in anti static packaging 6 If you are not installing a new expansion ...

Page 122: ...he chassis Press the card straight down into the expansion socket on the system board Figure 8 37 Installing an Expansion Card NOTE When installing an expansion card press firmly on the card so that the whole connector seats properly in the expansion card slot 8 While holding the expansion card bracket against the chassis rotate the slot cover lock over the expansion card brackets and slot covers ...

Page 123: ...the following illustration for proper routing of wires To loosen the fasteners 1 Prepare the computer for disassembly Preparation for Disassembly on page 83 2 Remove the access panel Access Panel on page 84 3 Rotate the drive cage to its upright position 4 To open the round fastener 1 twist the two ends of the fastener until the ends come apart 5 To open the square fastener 2 at the notch where th...

Page 124: ...ate the drive cage back down 8 Remove the screw that secures the front I O device to the chassis 1 9 Rotate the assembly toward the right side of the chassis 2 and then slide the device slightly toward the left 3 to disengage the tab on the right side of the assembly from the chassis Thread the wires through the hole in the chassis and remove the assembly NOTE If necessary rotate the drive cage ba...

Page 125: ...rd connector labeled F_PANEL 6 Rotate the drive cage back down 7 Press the tab on the bottom of the assembly to disengage it from the chassis 1 8 Slide the assembly downward to disengage the tab 2 on the top of assembly from the chassis 9 If necessary rotate the drive cage back up to gain access to the wires 10 Pull the assembly out through front of unit 3 while threading the wires through the hol...

Page 126: ...osen the square plastic fastener to gain access to the speaker wire 6 Disconnect the speaker wire from the white system board connector labeled SPEAKER 7 Remove the screw that secures the speaker to the inside of the chassis slide the speaker away from the power switch and then remove it from the chassis To install the speaker reverse the removal procedures 116 Chapter 8 Removal and Replacement Pr...

Page 127: ...s on the socket are very fragile and any damage to them may require replacing the system board 5 Lift the heatsink from atop the processor and set it on its side to keep from contaminating the work area with thermal grease When reinstalling the heatsink make sure that its bottom has been cleaned with an alcohol wipe and fresh thermal grease has been applied to the top of the processor CAUTION Heat...

Page 128: ...to prevent damage to the processor s solder connections To install a new processor 1 Place the processor in its socket and close the retainer 2 Secure the locking lever If reusing the existing heatsink go to step 3 If using a new heatsink go to step 6 3 If reusing the existing heatsink clean the bottom of the heatsink with the alcohol pad provided in the spares kit CAUTION Before reinstalling the ...

Page 129: ...the system board NOTE After installing a new processor onto the system board always update the system ROM to ensure that the latest version of the BIOS is being used on the computer The latest system BIOS can be found on the Web at http h18000 www1 hp com support files Power Supply 1 Prepare the computer for disassembly Preparation for Disassembly on page 83 2 Remove the access panel Access Panel ...

Page 130: ...r 9 Slide the power supply about 1 25 cm 1 2 inch toward the front of the chassis rotate the power supply toward the heatsink so it clears the lip at the top of the chassis and then lift the power supply out of the chassis To install the power supply reverse the removal procedure 120 Chapter 8 Removal and Replacement Procedures Small Form Factor SFF Chassis ...

Page 131: ...ove the eight screws that secure the system board to the chassis slide the board about 1 25 cm 1 2 inch toward the front of the chassis and then lift the board out of the chassis To install the system board reverse the removal procedure CAUTION Before reinstalling the heatsink you must clean the top of the processor and the bottom of the heatsink with an alcohol pad supplied in the spares kit Afte...

Page 132: ...k up the computer CMOS settings When the battery is removed or replaced the CMOS settings will be cleared Refer to the Computer Setup F10 Utility Guide for information on backing up the CMOS settings NOTE 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 CAU...

Page 133: ...passwords and any special system setups using Computer Setup Refer to the Computer Setup F10 Utility Guide Type 2 Battery Holder 1 To release the battery from its holder squeeze the metal clamp that extends above one edge of the battery When the battery pops up lift it out 1 2 To insert the new battery slide one edge of the replacement battery under the holder s lip with the positive side up 2 Pus...

Page 134: ... clip 1 that holds the battery in place then remove the battery 2 2 Insert the new battery and position the clip back in place 3 Replace the computer access panel 4 Plug in the computer and turn on power to the computer 5 Reset the date and time your passwords and any special system setups using Computer Setup Refer to the Computer Setup F10 Utility Guide 124 Chapter 8 Removal and Replacement Proc...

Page 135: ...y Lock The security locks displayed below and on the following page can be used to secure the computer Cable Lock Figure 8 39 Installing a Cable Lock Padlock Figure 8 40 Installing a Padlock Installing a Security Lock 125 ...

Page 136: ...g it around a stationary object Figure 8 41 Securing the Cable to a Fixed Object 2 Thread the keyboard and mouse cables through the lock Figure 8 42 Threading the Keyboard and Mouse Cables 126 Chapter 8 Removal and Replacement Procedures Small Form Factor SFF Chassis ...

Page 137: ...ck to the chassis using the screw provided Figure 8 43 Attaching the Lock to the Chassis 4 Insert the plug end of the security cable into the lock 1 and push the button in 2 to engage the lock Use the key provided to disengage the lock Figure 8 44 Engaging the Lock Installing a Security Lock 127 ...

Page 138: ...connectors may not be used on the product being serviced Keyboard Connector and Icon Pin Signal 1 2 3 Data Unused Ground 4 5 6 5 VDC Clock Unused Mouse Connector and Icon Pin Signal 1 2 3 Data Unused Ground 4 5 6 5 VDC Clock Unused Ethernet BNC Connector and Icon Pin Signal 1 2 Data Ground 128 Appendix A Connector Pin Assignments ...

Page 139: ...a Bit 5 Data Bit 6 14 15 16 17 Auto Linefeed Error Initialize Printer Select IN 9 Data Bit 7 18 25 Signal Ground Serial Interface Powered and Non Powered Connector and Icon Pin Signal 1 2 3 Carrier Detect 12V if powered Receive Data Transmit Data 4 5 6 Data Terminal Ready Signal Ground Data Set Ready 7 8 9 Request to Send Clear to Send Ring Indicator 5V if powered Parallel Interface 129 ...

Page 140: ...Connector and Icon 1 8 miniphone Pin Signal 1 2 3 1 Tip 2 Ring 3 Shield Audio_left Power_Right Ground Line in Audio Connector and Icon 1 8 miniphone Pin Signal 1 2 3 1 Tip 2 Ring 3 Shield Audio_In_Left Audio_In_Right Ground Line out Audio Connector and Icon 1 8 miniphone Pin Signal 1 2 3 1 Tip 2 Ring 3 Shield Audio_Out_Left Audio_Out_Right Ground 130 Appendix A Connector Pin Assignments ...

Page 141: ...ta 5 6 7 8 Ground Ground Ground Ground 13 14 15 Horizontal Sync Vertical Sync DDC Serial Clock 24 Pin Power Connector 24 12 13 1 Front Pin Signal Pin Signal Pin Signal Pin Signal 1 2 3 4 5 6 3 3V 3 3V GND 5V GND 5V 7 8 9 10 11 12 GND POK 5 Vaux 12V 12V 3 3V 13 14 15 16 17 18 3 3V 12V GND PSON GND GND 19 20 21 22 23 24 GND open 5V 5V 5V GND Monitor 131 ...

Page 142: ...p4 36 37 38 39 40 PERn4 GND GND PERp5 PERn5 41 42 43 44 45 GND GND PERp6 PERn6 GND 46 47 48 49 50 GND PERp7 PERn7 GND RSVD 51 52 53 54 55 GND PERp8 PERN8 GND GND 56 57 58 59 60 PERp9 PERn9 GND GND PERp10 61 62 63 64 65 PERn10 GND GND PERp11 PERn11 66 67 68 69 70 GND GND PERp12 PERn12 GND 71 72 73 74 75 GND PERp13 PERn13 GND GND 76 77 78 79 80 PERp14 PERn14 GND GND PERp15 81 82 PERn15 GND Pin B inf...

Page 143: ...PETn4 GND 36 37 38 39 40 GND PETp5 PETn5 GND GND 41 42 43 44 45 PETp6 PRTn6 GND GND PETp7 46 47 48 49 50 PETn7 GND PRSNT2 GND PETp8 51 52 53 54 55 PETn8 GND GND PETp9 PETn9 56 57 58 59 60 GND GND PETp10 PETn10 GND 61 62 63 64 65 GND PETp11 PETn11 GND GND 66 67 68 69 70 PETp12 PETn12 GND GND PETp13 71 72 73 74 75 PETn13 GND GND PETp14 PETn14 76 77 78 79 80 GND GND PETp15 PETn15 GND 81 82 PRSNT2 RSV...

Page 144: ...4 Pin Power for CPU Connector and Icon Pin Signal 1 2 3 4 GND GND 12V CPU 12V CPU 134 Appendix A Connector Pin Assignments ...

Page 145: ...ited agency responsible for evaluation in the country where the power cord set will be installed 2 The power cord set must have a minimum current capacity of 10A 7A Japan only and a nominal voltage rating of 125 or 250 volts AC as required by each country s power system 3 The diameter of the wire must be a minimum of 0 75 mm2 or 18AWG and the length of the cord must be between 1 8 m 6 feet and 3 6...

Page 146: ... fittings appliance coupler and wall plug must bear the certification mark of the agency responsible for evaluation in the country where it will be used 2 The flexible cord must be Type SVT or equivalent No 18 AWG 3 conductor The wall plug must be a two pole grounding type with a NEMA 5 15P 15A 125V or NEMA 6 15P 15A 250V configuration 3 Appliance coupler flexible cord and wall plug must bear a T ...

Page 147: ...es of beeps from the computer The beeps are error codes that will help you diagnose the problem Refer to Interpreting POST Diagnostic Front Panel LEDs and Audible Codes on page 143 to interpret the codes If the screen is blank plug the monitor into a different video port on the computer if one is available Or change out the monitor with a monitor that you know is functioning properly If you are wo...

Page 148: ...nitor are plugged into a working electrical outlet Check to see that the voltage select switch some models is set to the appropriate voltage for your region 115V or 230V Check to see that the computer is turned on and the power light is on Check to see that the monitor is turned on and the green monitor light is on Turn up the brightness and contrast controls of the monitor if the monitor is dim P...

Page 149: ... operation contact your HP authorized reseller or service provider Computer will not turn on Cause Solution Cables to the external power source are unplugged Ensure that cables connecting the computer to the external power source are plugged in properly and the wall outlet is active Voltage selector switch on rear of computer chassis some models not switched to correct line voltage 115V or 230V Se...

Page 150: ...ime If the problem persists replace the RTC battery See the Hardware Reference Guide for instructions on installing a new battery or contact an authorized dealer or reseller for RTC battery replacement Cursor will not move using the arrow keys on the keypad Cause Solution The Num Lock key may be on Press the Num Lock key The Num Lock light should not be on if you want to use the arrow keys The Num...

Page 151: ...applications especially games are stressful on the graphics subsystem 1 Lower the display resolution for the current application or consult the documentation that came with the application for suggestions on how to improve performance by adjusting parameters in the application 2 Add more memory 3 Upgrade the graphics solution Cause unknown Restart the computer Blank screen no video Cause Solution ...

Page 152: ...ng system use the Add Hardware Wizard and follow the instructions that appear on the screen WARNING When the computer is plugged into an AC power source voltage is always applied to the system board To reduce the risk of personal injury from electrical shock rotating fans and or hot surfaces be sure to disconnect the power cord from the wall outlet and allow the internal system components to cool ...

Page 153: ...u still cannot resolve the issue contact Customer Support Interpreting POST Diagnostic Front Panel LEDs and Audible Codes This section covers the front panel LED codes as well as the audible codes that may occur before or during POST that do not necessarily have an error code or text message associated with them WARNING When the computer is plugged into an AC power source voltage is always applied...

Page 154: ...nning then replace processor fan 4 Reseat processor heatsink and verify that the fan assembly is properly attached 5 Contact an authorized reseller or service provider Red Power LED flashes five times once every second followed by a two second pause Beeps stop after fifth iteration but LEDs continue until problem is solved 5 Pre video memory error CAUTION To avoid damage to the DIMMs or the system...

Page 155: ...g depends on your region 2 Replace the system board OR Press and hold the power button for less than 4 seconds If the hard drive LED does not turn on green then 1 Check that the unit is plugged into a working AC outlet 2 Open hood and check that the power button harness is properly connected to the system board 3 Check that both power supply cables are properly connected to the system board Contac...

Page 156: ...Maximum Altitude unpressurized Operating Nonoperating 10 000 ft 30 000 ft 3048 m 9144 m NOTE Operating temperature is derated 1 0 C per 300 m 1000 ft to 2 286 m 7 5000 ft above sea level no direct sustained sunlight Maximum rate of change is 7 5 C Hr The upper limit may be limited by the type and number of options installed Heat Dissipation Maximum standard PS Typical idle standard PS Maximum 85 p...

Page 157: ... 85 Plus power supply utilizes an active power factor corrected power supply This allows the system to pass the CE mark requirements for use in the countries of the European Union The active power factor corrected power supply also has the added benefit of not requiring an input voltage range select switch Small Form Factor Table D 2 Specifications Desktop Dimensions Height Width Depth 3 86 in 13 ...

Page 158: ...um 1 7A 100 VAC 3 5A 200 VAC 1 This system utilizes a passive power factor corrected power supply The power factor correction is present in the 230V operating mode only This allows the system to pass the CE mark requirements for use in the countries of the European Union This supply requires the use of an input voltage range select switch Table D 2 Specifications continued 148 Appendix D Specifica...

Page 159: ... assignments 128 country power cord set requirements 136 D DIMMs See memory disassembly preparation SFF 83 diskette drive MT installing 59 removing 57 diskette drive SFF installing 97 removing 95 drive connectors MT 54 SFF 91 drives connecting cables 52 90 installing MT 52 installing SFF 90 locations 89 MT removal and replacement 51 SFF removal and replacement 89 E electrostatic discharge ESD prev...

Page 160: ...signments 131 monitor connector 3 4 mouse cleaning 33 pin assignments 128 mouse connector 3 4 MT access panel removal and replacement 38 battery removal and replacement 75 bezel blank removal and replacement 40 cable connections 50 cable management 49 chassis illustrated 26 drive removal and replacement 51 expansion cards removal and replacement 45 fan removal and replacement 68 front bezel remova...

Page 161: ...24 screws correct size 34 SDRAM synchronous dynamic random access memory 41 security cable lock 78 hood sensor 81 HP Business PC Security Lock 79 126 padlock 78 port cover 82 SFF cable lock 125 SFF padlock 125 serial interface pin assignments 129 serial number location MT 36 serial port 3 4 service considerations 33 SFF access panel removal and replacement 84 battery removal and replacement 122 be...

Page 162: ... tool 34 temperature control 31 tools servicing 33 Torx T15 screwdriver 33 U USB pin assignments 130 USB ports front panel 1 2 rear panel 3 4 V ventilation proper 31 VGA monitor connector 3 4 W Windows Logo key 6 152 Index ...

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