HP Compaq Compaq dx2290 Service & Reference Manual Download

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Power Supply

WARNING!

Voltage is always present on the system board when the computer is plugged into an

active AC outlet. To avoid possible personal injury and damage to the equipment the power cord should
be disconnected from the computer and/or the AC outlet before opening the computer.

Prepare the computer for disassembly (

Preparation for Disassembly on page 27

)

Remove the access panel (

Access Panel on page 27

Lay the computer down on its side for greater stability.

Disconnect all power cables from the mass storage devices and from the system board.

Remove the 4 screws that secure the power supply to the chassis.

Slide the power supply toward the front of the computer, then lift it out of the computer.

Figure 6-24

Removing the Power Supply

To install the power supply, reverse the removal procedure.

Chapter 6 Removal and Replacement Procedures— Microtower (MT) Chassis

Summary of Contents for Compaq dx2290

Page 1: ...Service Reference Guide HP Compaq dx2290 Business PC ...

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: ...etup F10 Utilities 8 Using Computer Setup F10 Utilities 8 Computer Setup Main 9 Computer Setup Advanced 10 Computer Setup Power 11 Computer Setup Boot 13 Computer Setup Exit 13 Recovering the Configuration Settings 14 3 HP Hardware Diagnostics HP Hardware Diagnostics 15 Step 1 Before you begin 15 Step 2 Start Hardware Diagnostic Tools 15 Step 3 Check Alert Messages 15 Step 4 Test a device 16 Step ...

Page 6: ...rews 25 Cables and Connectors 25 Hard Drives 26 Lithium Coin Cell Battery 26 6 Removal and Replacement Procedures Microtower MT Chassis Preparation for Disassembly 27 Access Panel 27 Front Bezel 29 Memory 30 DDR2 SDRAM DIMMs 30 Installing Memory Modules 30 Expansion Cards 32 Expansion Slot Cover Lock 32 PCI PCIe Expansion Card 33 Cable Management 35 Cable Connections 37 Drives 38 Drive Positions 3...

Page 7: ...oubleshooting Without Diagnostics Safety and Comfort 66 Before You Call for Technical Support 66 Helpful Hints 67 Solving General Problems 68 Solving Power Problems 68 Solving Diskette Problems 68 Solving Hard Drive Problems 68 Solving Media Card Reader Problems 68 Solving Display Problems 68 Solving Audio Problems 69 Solving Printer Problems 69 Solving Keyboard and Mouse Problems 69 Solving Hardw...

Page 8: ...viii ...

Page 9: ...mplete operating system installation and configuring instructions refer to the operating system documentation Additional information is available in online help Microsoft security updates are available on the Microsoft Web site Downloading Microsoft Windows Updates 1 To set up your Internet connection click Start Internet Explorer and follow the instructions on the screen 2 Once an Internet connec...

Page 10: ...ing the Monitor Display If you wish you can select or change the monitor model refresh rates screen resolution color settings font sizes and power management settings To do so right click on the Windows Desktop then click Personalize to change display settings For more information refer to the online documentation provided with the graphics controller utility or the documentation that came with yo...

Page 11: ... the Windows Start Button 3 Choose All Programs 4 Choose Accessories 5 Choose System Tools 6 Click System Restore 7 Click Next 8 Follow the on screen instructions To manually add restore points 1 Close all open programs 2 Click the Windows Start Button 3 Choose Control Panel 4 Click System and Maintenance then click System 5 Click System protection 6 Under Automatic restore points select the disk ...

Page 12: ... image stored on your hard disk drive This image contains the operating system and software program files that were originally installed on your computer at the factory You can create only one set of recovery discs for your computer The recovery discs you create can only be used with your computer After creating the recovery discs you can delete the recovery image if you would like to make extra s...

Page 13: ...y from system startup Starting System Recovery from the Windows Vista Start menu 1 Turn off the computer 2 Disconnect all peripheral devices from the computer except the monitor the keyboard and the mouse 3 Turn on the computer 4 Click the Windows Start Button 5 Click All Programs 6 Click PC Help Tools 7 Click Recovery Manager You are asked if you want to perform a Microsoft System Restore If you ...

Page 14: ...o run the System Recovery program using recovery discs 1 If the computer works create a backup CD or DVD containing all data files that you want to save Remove the backup disc from the disc tray when you are finished 2 Insert recovery disc 1 into the appropriate drive tray CD or DVD and close the tray 3 If the computer works Click the Windows Start Button click the Arrow button next to the Lock bu...

Page 15: ...until you see the desktop Then turn off the computer reconnect all peripheral devices and turn on the computer 13 Reinstall software not originally installed on the computer by the factory Copy data files from the backup disc to your hard disk drive System Recovery Options 7 ...

Page 16: ...etup F10 Utility and the settings described in this section Enable or disable removable media boot ability 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 monit...

Page 17: ...ain NOTE Support for specific Computer Setup options may vary depending on the hardware configuration Table 2 1 Computer Setup Main Option Description System Time Allows you to set system time System Date Allows you to set system date Language Allows you to select language Floppy Diskette A Allows you to set drive A to Disabled 720 KB 3 5 1 44 MB 3 5 2 88 MB 3 5 Not Installed 1st Drive 2nd Drive 3...

Page 18: ...mputer 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 2 2 Computer Setup Advanced Option Description CPU Type view only CPU Speed view only Cache RAM view only Plug and Play OS Yes No Primary Video Adapter Allows you to select the boot display device when more than 2 video options are ...

Page 19: ...he onboard LAN chip Supervisor Password Allows you to change supervisor password User Password Allows you to change the user password Change Supervisor Password Allows you to change supervisor password Onboard Audio Allows you to set the onboard audio to Auto Disable Enable Hardware Monitor view CPU Temperature CPU Fan Speed System Fan Speed Computer Setup Power NOTE Support for specific Computer ...

Page 20: ... AC Power Failure Allows you to select system restart behavior after power loss Stay Off Power On Auto XD Disables enables XD Table 2 3 Computer Setup Power continued 12 Chapter 2 Computer Setup F10 Utility ...

Page 21: ... Floppy Group Boot Priority Specifies boot device priority within removable devices CD ROM Group Boot Priority Specifies boot device priority within CD DVD drives Hard Drive Group Boot Priority Specifies boot device priority within hard drives Network Group Boot Priority Specifies boot device priority within bootable network devices Computer Setup Exit NOTE Support for specific Computer Setup opti...

Page 22: ...default values including options for ctrl F10 for Vista or F11 for Windows XP you must enter F10 Setup mode and press F5 This does not include updates to system date system time supervisor password user password and CPU frequency multiplier 14 Chapter 2 Computer Setup F10 Utility ...

Page 23: ...ue Step 3 Check Alert Messages Hardware Diagnostic Tools scans the computer for any disabled or misconfigured devices Detected issues are displayed in the Alerts section at the top of the main page Always check the Alerts first as the computer issue may be related to an alert 1 Click Alerts and review the messages If no alerts are displayed go to Step 4 to start testing 2 The first alert is usuall...

Page 24: ...eview the device information Click one of the Systems Tools and resolve the misconfiguration issue Do not troubleshoot the misconfigured device The misconfigured device is not related to your current issue Resolve the misconfigured device issue another time 3 Select a device and click Run test 4 Click Yes to continue Step 5 Understanding test results Three test results are possible Pass No problem...

Page 25: ...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 bend it tighter than a 30 mm 1 18 in radius The SATA data cable is a thin 7 pi...

Page 26: ...indication parameters such as reallocated sector count spin retry count and calibration retry count If the drive determines that a failure is imminent it generates a fault alert Hard Drive Capacities The combination of the file system and the operating system used in the computer determines the maximum usable size of a drive partition A drive partition is the largest segment of a drive that may be...

Page 27: ...Maximum Size File System Controller Type Operating System Partition Drive FAT 32 ATA Windows 2000 XP 32 GB 2 TB NTFS ATA Windows NT 2000 XP 2 TB 2 TB Hard Drive Capacities 19 ...

Page 28: ...rotower MT Electrostatic Discharge Information A sudden discharge of static electricity from your finger or other conductor can destroy static sensitive devices or microcircuitry Often the spark is neither felt nor heard but damage occurs An electronic device exposed to electrostatic discharge ESD may not appear to be affected at all and can work perfectly throughout a normal cycle The device may ...

Page 29: ...ounding precautions are necessary to prevent damage to electric components and accessories To avoid hand contact transport products in static safe containers such as tubes bags or boxes Protect all electrostatic parts and assemblies with conductive or approved containers or packaging Keep electrostatic sensitive parts in their containers until they arrive at static free stations Place items on a g...

Page 30: ...as Turn off power and input signals before inserting and removing connectors or test equipment Use fixtures made of static safe materials when fixtures must directly contact dissipative surfaces Keep work area free of nonconductive materials such as ordinary plastic assembly aids and Styrofoam Use field service tools such as cutters screwdrivers and vacuums that are conductive Recommended Material...

Page 31: ... 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 mater...

Page 32: ...much air pressure can dislodge lubricants applied under the wide keys If you remove a key use a specially designed key puller to prevent damage to the keys This tool is available through many electronic supply outlets CAUTION Never remove a wide leveled key like the space bar from the keyboard If these keys are improperly removed or installed the keyboard may not function properly Cleaning under a...

Page 33: ...d in the computer are not interchangeable They may have standard or metric threads and may be of different lengths If an incorrect screw is used during the reassembly process it can damage the unit HP strongly recommends that all screws removed during disassembly be kept with the part that was removed then returned to their proper locations CAUTION Metric screws have a black finish U S screws have...

Page 34: ... 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 Lithium Coin Cell Battery The battery that comes with the computer provides power to the real time clock and has a minimum lifetime of about three years See the appropriate removal and replacement chapter for the chassis you are work...

Page 35: ...rd 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 remove it noting its position and routing Keep all screws with the units removed CAUTION The screws used in the computer are of different thread sizes and lengths using the wrong screw in an application may damage the unit Access Panel...

Page 36: ...the access panel back about 2 5cm 1 inch then lift it off the unit Figure 6 1 Removing the Access Panel To replace the access panel reverse the removal steps 28 Chapter 6 Removal and Replacement Procedures Microtower MT Chassis ...

Page 37: ... side of the bezel then rotate the bezel off the chassis beginning with the right side and then the left side Figure 6 2 Removing the Front Bezel To reinstall the front bezel reverse the removal procedure CAUTION It may be necessary to depress the power button at the top of the chassis to prevent it from being damaged when rotating the front bezel into place Front Bezel 29 ...

Page 38: ... DIMMs constructed with x8 and x16 DDR devices DIMMs constructed with x4 SDRAM are not supported NOTE The system will not start if you install unsupported DIMMs Installing Memory Modules CAUTION The memory module sockets have gold metal contacts When upgrading the memory it is important to use memory modules with gold metal contacts to prevent corrosion and or oxidation resulting from having incom...

Page 39: ...gure 6 3 Installing a Memory Module NOTE A memory module can be installed in only one way Match the notch on the module with the tab on the memory socket 4 Push the module down into the socket ensuring that the module is fully inserted and properly seated Make sure the latches are in the closed position 3 5 Repeat steps 4 and 5 for any additional modules that you want to install To reassemble the ...

Page 40: ...n on its side to make it easier to work on 4 On the rear of the computer remove the screw that secures the slot cover lock in place 1 then slide the slot cover lock up and away from the slots to remove it from the computer 2 Figure 6 4 Removing Slot Cover Lock To reinstall the slot cover lock reverse the removal procedure 32 Chapter 6 Removal and Replacement Procedures Microtower MT Chassis ...

Page 41: ...6 Hold the card at each end and carefully rock it back and forth until the connectors pull free from the socket Be sure not to scrape the card against other components 7 Store the card in anti static packaging 8 Install a new expansion card or an expansion slot cover to close the open slot To install a replacement expansion card go to step 10 9 If you are installing an expansion card for the first...

Page 42: ...ss Card NOTE When you install an expansion card make sure you press firmly on the card so that the entire connector seats properly in the expansion card socket 11 Reinstall the slot cover lock and its retaining screw 12 Replace the access panel 13 Connect external cables to the installed card if needed Reconfigure the computer if necessary 34 Chapter 6 Removal and Replacement Procedures Microtower...

Page 43: ...internal wires Never bend a SATA data cable tighter than a 30 mm 1 18 in radius Never crease a SATA data cable Do not rely on components like the drive cage power supply or computer cover to push cables down into the chassis Always position the cables to lay properly by themselves When removing the power supply power cable from the P1 connector on the system board always follow these steps 1 Squee...

Page 44: ...Some cable ends have a release latch that must be compressed to remove them from the device Figure 6 7 Cable Release Latch 36 Chapter 6 Removal and Replacement Procedures Microtower MT Chassis ...

Page 45: ...gnator Power Supply SATA Hard drive P9 Power Supply System board 24 pin P1 Power Supply CPU power 4 pin P7 Power Supply SATA optical drive P10 Power Supply Not Used P2 P3 P4 P5 P6 Power Supply Diskette drive not used P8 Cable Management 37 ...

Page 46: ... an external storage device before removing the hard drive Failure to do so will result in data loss After replacing the primary hard drive you will need to run the Restore Plus CD to load the Compaq factory installed files Drive Positions Figure 6 8 Drive Locations Drive Positions Item Description 1 Optical drive 2 Card reader 3 Hard drive An optical drive is a CD ROM CD R RW DVD ROM DVD R RW or ...

Page 47: ...ch away from the chassis then slide the drive out the front of the chassis The latch secures the drive with a pin that locks into one of the screw holes on the side of the drive Figure 6 9 Removing the Optical Drive To install a drive reverse the removal procedure CAUTION Make sure that the power switch cables do not interfere with the installation of the optical drive Removing the Card Reader 1 P...

Page 48: ... screw that secures the card reader to the chassis Figure 6 10 Removing the Retaining Screw 6 Push the drive away from the retaining screw then pull it out of the chassis Figure 6 11 Removing the Card Reader To replace the card reader reverse the removal procedure 40 Chapter 6 Removal and Replacement Procedures Microtower MT Chassis ...

Page 49: ...ility 4 Disconnect the power and data cables from the back the drive 5 Remove the two screws that secure the drive cage to the chassis Figure 6 12 Removing the Drive Cage Retaining Screws 6 Push down on the latch on the right side of the drive cage slide the cage away from the bottom and towards the fixed drive bays and lift the drive cage out of the chassis Figure 6 13 Removing the Drive Cage Dri...

Page 50: ... primary hard drive the Restore Plus CD may be used to restore the operating system software drivers and or any software applications that were preinstalled on the computer Follow the instructions in the guide included with the CD When the restore process has been completed reinstall any personal files that were backed up before replacing the hard drive 42 Chapter 6 Removal and Replacement Procedu...

Page 51: ...29 4 Lay the computer down on its side for greater stability 5 Free any of the front IO cables from the cable tie as needed 6 Remove the screw 1 that secures the housing to the chassis and then slide the housing 2 towards the screw hole to release it from the chassis Figure 6 15 Removing the Front IO Housing To install the housing assembly reverse the removal procedures Front I O Panel Housing Ass...

Page 52: ...ct the braided cable from the system board 5 Squeeze the right side of the switch holder 1 and slide the switch to the left 2 then rotate the switch out of the chassis Figure 6 16 Removing the Power Switch To install the power switch assembly reverse the removal procedures making sure that you tuck the wires out of the way to clear the front bezel 44 Chapter 6 Removal and Replacement Procedures Mi...

Page 53: ...s Panel on page 27 3 Lay the computer down on its side for greater stability 4 Disconnect the cable that connects the system fan to the system board 5 Remove the screws that secure the fan to the chassis and remove the fan Figure 6 17 Removing the System Fan To install the fan reverse the removal procedures System Fan 45 ...

Page 54: ... that its bottom has been cleaned with an alcohol wipe and fresh thermal grease has been applied to the top of the processor New heatsinks come from the factory with fresh thermal grease already applied Position the heatsink so that fan wiring is closest to the memory modules Check to ensure that the heatsink mounting lugs do not rest on any electrical components before tightening the retaining sc...

Page 55: ...ry fragile and handling them could cause irreparable damage Once pins are damaged it may be necessary to replace the system board CAUTION The heatsink must be installed within 24 hours of installing the processor to prevent damage to the processor s solder connections Figure 6 19 Removing the Processor To install a new processor 1 Place the processor in its socket and close the retainer 2 Secure t...

Page 56: ...ed in diagonally opposite pairs as in an X to evenly seat the heatsink on the processor This is especially important as the pins on the socket are very fragile and any damage to them may require replacing the system board 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 sy...

Page 57: ...e the system board towards the front of the chassis then angle the front of the board up to remove it NOTE The system board in the computer may look slightly different from the one shown here Figure 6 20 Removing the System Board To install the system board reverse the removal procedure NOTE When reinstalling the system board it is necessary to keep steady pressure pushing the system board towards...

Page 58: ...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 household waste In order to forward them ...

Page 59: ...n positive side up 3 The battery holder automatically secures the battery in the proper position 4 Replace the computer access panel 5 Plug in the computer and turn on power to the computer 6 Reset the date and time your passwords and any special system setups using Computer Setup Refer to the Computer Setup F10 Utility Guide Battery 51 ...

Page 60: ...der s lip with the positive side up 2 Push the other edge down until the clamp snaps over the other edge of the battery Figure 6 22 Type 2 Battery Holder 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 52 Chapter 6 Re...

Page 61: ...ew battery and position the clip back in place Figure 6 23 Type 3 Battery Holder 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 53 ...

Page 62: ...or Disassembly on page 27 2 Remove the access panel Access Panel on page 27 3 Lay the computer down on its side for greater stability 4 Disconnect all power cables from the mass storage devices and from the system board 5 Remove the 4 screws that secure the power supply to the chassis 6 Slide the power supply toward the front of the computer then lift it out of the computer Figure 6 24 Removing th...

Page 63: ...nectors Some of these 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 RJ 45 Connector and Icon Pin Signal Keyboard 55 ...

Page 64: ...tor and Icon 1 8 miniphone Pin Signal 1 2 3 1 Tip 2 Ring 3 Shield Audio_left Audio_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 56 Appendix A Connector Pin Assignments ...

Page 65: ...Pin Signal Pin Signal 1 2 3 4 Red Analog Green Analog Blue Analog Not used 9 10 11 12 5V fused Ground Not used DDC Serial Data 5 6 7 8 Ground Ground Ground Ground 13 14 15 Horizontal Sync Vertical Sync DDC Serial Clock Monitor 57 ...

Page 66: ...6 DA1 PDIAG cable detect DA0 DA2 9 10 11 12 DD4 DD11 DD3 DD12 23 24 25 26 DIOW Ground DIOR Ground 37 38 39 40 CS1FX CS3FX DASP Ground 13 14 DD2 DD13 27 28 IORDY CSEL 24 Pin Power Connector 24 12 13 1 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 ...

Page 67: ...P10 P14 V 3 3 Ground Ground V12 P3 P7 P11 P15 V 3 3 V 5 Reserved V 12 P4 P8 P12 Ground V 5 Ground S Data P Power PCI Express Pin A x1 x4 x8 and x16 PCI Express Connector Pin A Pin Signal Pin Signal Pin Signal Pin Signal Pin Signal 1 2 3 4 5 PRSNT1 12V 12V GND JTAG2 6 7 8 9 10 JTAG3 JTAG4 JTAG5 3 3V 3 3V 11 12 13 14 15 PERST GND REFCLK REFCLK GND 16 17 18 19 20 PERp0 PERn0 GND RSVD GND 21 22 23 24 ...

Page 68: ...PERn14 GND GND PERp15 81 82 PERn15 GND Pin B information is on the next page NOTE x1 PCI Express uses pins 1 18 x4 PCI Express uses pins 1 32 x8 PCI Express uses pins 1 49 x16 PCI Express uses pins 1 8 PCI Express Pin B x1 x4 x8 and x16 PCI Express Connector Pin B Pin Signal Pin Signal Pin Signal Pin Signal Pin Signal 1 2 3 4 5 12V 12V RSVD GND SMCLK 6 7 8 9 10 SMDAT GND 3 3 V JTAG1 3 3vAux 11 12 ...

Page 69: ...ETp10 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 RSVD Pin B information is on the next page NOTE x1 PCI Express uses pins 1 18 x4 PCI Express uses pins 1 32 x8 PCI Express uses pins 1 49 x16 PCI Express uses pins 1 8 PCI Express Pin B 61 ...

Page 70: ... 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 m 12 feet The power cord should be routed so that it is not likely to be walked on or pinched by items placed upon it or against it Particular attention should be paid t...

Page 71: ...e flexible cord must be Type SVT or equivalent No 18 AWG 3 conductor The wall plug must be a two pole grounding type with a NEMA 5 15P 15A 125V or NEMA 6 15P 15A 250V configuration 3 Appliance coupler flexible cord and wall plug must bear a T mark and registration number in accordance with the Japanese Dentori Law Flexible cord must be Type VCT or VCTF 3 conductor 0 75 mm2 conductor size Wall plug...

Page 72: ... graphics card installed or graphics card initialization failed For systems with a graphics card 1 Reseat the graphics card Power on the system 2 Replace the graphics card 3 Replace the system board For systems with integrated graphics replace the system board 3 short beeps and 1 long beep followed by a three second pause CPU configuration error or invalid CPU detected before graphics card initial...

Page 73: ...e disappears there may be a problem with the expansion card 6 Replace the system board 5 short beeps followed by a three second pause BIOS recovery was successful No action required Interpreting POST Audible Codes 65 ...

Page 74: ...agnostics on page 15 for more information 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 working on a network plug another computer with a different cable into the network connection There may be a problem with the network plug or cable If you recently ...

Page 75: ... and contrast controls of the monitor if the monitor is dim Press and hold any key If the system beeps then the keyboard should be operating correctly Check all cable connections for loose connections or incorrect connections Wake the computer by pressing any key on the keyboard or pressing the power button If the system remains in suspend mode shut down the computer by pressing and holding the po...

Page 76: ...ord from the wall outlet and allow the internal system components to cool before touching Look for the LED on the system board If the LED is illuminated the system still has power Power off the computer and remove the power cord before proceeding Table D 1 Solving General Problems Solving Power Problems Common causes and solutions for power problems are listed in the following table Table D 2 Solv...

Page 77: ...vice and configures the computer If you install a non plug and play device you must reconfigure the computer after completing installation of the new hardware In Windows XP use the Add Hardware Wizard and follow the instructions that appear on the screen WARNING When the computer is plugged into an AC power source voltage is always applied to the system board To reduce the risk of personal injury ...

Page 78: ...y problems common causes and solutions are listed in the following table Table D 16 Solving Drive Key Problems Solving Front Panel Component Problems If you encounter problems with devices connected to the front panel refer to the common causes and solutions listed in the following table Table D 17 Solving Front Panel Component Problems Solving Internet Access Problems If you encounter Internet ac...

Page 79: ...estore the software to a recovery point or to restore the system to its factory configuration If you encounter software problems see the applicable solutions listed in the following table Table D 19 Solving Software Problems Solving Software Problems 71 ...

Page 80: ... replacement 39 Drive Key problems 70 drive positions 38 E electrostatic discharge ESD preventing damage 21 error codes 64 ethernet RJ 45 pin assignments 55 expansion card removal and replacement 33 expansion slot cover lock removal and replacement 32 F fan power supply 25 front bezel removal and replacement 29 front I O panel removal and replacement 43 front panel problems 70 G general problems 6...

Page 81: ...l 27 battery 50 card reader 39 expansion card 33 expansion slot cover lock 32 front bezel 29 front I O panel 43 hard drive 41 heatsink 46 memory 30 power switch assembly 44 processor 47 system board 49 system fan 45 S safety and comfort 66 safety precautions cleaning 23 SATA connectors on system board 17 data cable pinouts 17 hard drive characteristics 17 pin assignments 59 power cable pinouts 18 ...

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