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4 short beeps followed by a
three second pause

Flashing operation has failed (checksum
error, corrupted image, etc.)

Verify the correct ROM.

Flash the ROM if needed.

If an expansion board was recently added,
remove it to see if the problem remains.

Clear CMOS.

If the message disappears, there may be a
problem with the expansion card.

Replace the system board.

5 short beeps followed by a
three second pause

BIOS recovery was successful

No action required.

Appendix C POST Error Messages

Содержание Compaq dx2290

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

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

Страница 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 ...

Страница 4: ...iv About This Book ...

Страница 5: ...m Recovery from Recovery Discs 5 2 Computer Setup F10 Utility Computer Setup F10 Utilities 7 Using Computer Setup F10 Utilities 7 Computer Setup Main 8 Computer Setup Advanced 9 Computer Setup Power 11 Computer Setup Boot 11 Computer Setup Exit 11 Recovering the Configuration Settings 12 3 HP Hardware Diagnostics HP Hardware Diagnostics 13 Step 1 Before you begin 13 Step 2 Start Hardware Diagnosti...

Страница 6: ... Tools and Software Requirements 23 Screws 24 Cables and Connectors 24 Hard Drives 24 Lithium Coin Cell Battery 25 6 Removal and Replacement Procedures Microtower MT Chassis Preparation for Disassembly 26 Computer Components 27 Access Panel 28 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 M...

Страница 7: ...ents 67 Japanese Power Cord Requirements 67 Country Specific Requirements 68 Appendix C POST Error Messages Interpreting POST Audible Codes 69 Appendix D Troubleshooting Without Diagnostics Safety and Comfort 71 Before You Call for Technical Support 71 Helpful Hints 72 Solving General Problems 73 Solving Power Problems 76 Solving Diskette Problems 76 Solving Hard Drive Problems 79 Solving Media Ca...

Страница 8: ...Solving CD ROM and DVD Problems 94 Solving Drive Key Problems 96 Solving Front Panel Component Problems 97 Solving Internet Access Problems 98 Solving Software Problems 99 Index 101 viii ...

Страница 9: ...hipped with a Microsoft operating system some portions of this documentation do not apply For complete operating system installation and configuring instructions refer to the operating system documentation Additional information is available in online help Microsoft security updates are available on the Microsoft Web site Downloading Microsoft Windows Updates 1 To set up your Internet connection c...

Страница 10: ...ndows Vista includes a feature that allows you to restore your computer configuration to a previous time when a current software problem did not exist The feature does this by creating a restore point where it records the computer settings at that time and date When a new program is installed the operating system automatically creates a restore point before it adds the new software You can also ma...

Страница 11: ...rming a System Recovery Recovery Image Run the recovery from a recovery image stored on your hard disk drive The recovery image is a file that contains a copy of the original factory shipped software To perform a System Recovery from the recovery image on your hard disk drive see Running System Recovery from the Hard Disk Drive on page 4 NOTE The recovery image uses a portion of the hard disk driv...

Страница 12: ...rograms 2 Click the Windows Start Button 3 Click All Programs 4 Click PC Help Tools 5 Click Recovery Disc Creator 6 The Recovery Disc Creator window appears 7 Follow the on screen instructions Label each disc as you make it for example Recovery 1 Recovery 2 Store the Recovery discs in a safe place System Recovery Options System Recovery should be attempted in the following order Through the Window...

Страница 13: ...ting System Recovery from system startup 1 Turn off the computer If necessary press and hold the On button until the computer turns off 2 Disconnect all peripheral devices from the computer except the monitor the keyboard and the mouse 3 Press the On button to turn on the computer 4 During startup to enter the Recovery Manager program when the blue screen with the HP Invent logo appears press the ...

Страница 14: ...uter 7 The computer starts the recovery from the recovery disc Follow the on screen instructions when they are displayed NOTE System Recovery option deletes any data or programs that you created or installed after purchase Be sure to back up any data that you want to keep onto a removable disc 8 Insert the next disc if prompted 9 When the Recovery Manager finishes remove the last disc 10 Click Fin...

Страница 15: ...up 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 monitor...

Страница 16: ...d become corrupted It is safe to turn off the computer only after exiting the F10 Setup screen Computer Setup Main NOTE Support for Computer Setup options may vary depending on 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...

Страница 17: ... Revision Core Version Model Number Product Number Build ID Computer Setup Advanced NOTE Support for Computer Setup options may vary depending on 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 Pri...

Страница 18: ...ou to set Disabled Enabled 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 Supervisor Password Allows you to change supervisor password User Password Allows you to change the user password Onboard Audio Allows you to set the onboard audio to Auto Disable Enable Table 2 2 Computer Setup Advanced c...

Страница 19: ...vice 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 Disabled 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 within removable devices CD ROM Grou...

Страница 20: ...anges 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 only or F11 for some models 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 12 Cha...

Страница 21: ...Hardware Diagnostic Tools A window opens and displays a message to close all applications Close all non essential applications and click OK to continue 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 m...

Страница 22: ...a category from the list on the left or from the groups on the main page 2 Review Misconfigured devices Do one of the following Click the device and review 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 anoth...

Страница 23: ...ltages 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 ben...

Страница 24: ...12 Ground P5 Ground P13 V12 12 V power P6 Ground P14 V12 12 V power P7 V5 5 V power P15 V12 12 V power P8 V5 5 V power ATA SMART Drives The Self Monitoring Analysis and Recording Technology SMART ATA drives for the HP Personal Computers have built in drive failure prediction that warns the user or network administrator of an impending failure or crash of the hard drive The SMART drive tracks fault...

Страница 25: ...ake use of all of its space Because of the differences in the way that drive sizes are calculated the size reported by the operating system may differ from that marked on the hard drive or listed in the computer specification Drive size calculations by drive manufacturers are bytes to the base 10 while calculations by Microsoft are bytes to the base 2 Drive Partition Capacity Limits Maximum Size F...

Страница 26: ...oper service CAUTION When the computer is plugged into an AC power source voltage is always applied to the system board You must disconnect the power cord from the power source before opening the computer to prevent system board or component damage Chassis Designations The following subsection illustrates the dx2290 chassis design Microtower MT 18 Chapter 5 Identifying the Chassis Routine Care and...

Страница 27: ...7 500 V 3 000 V 400 V 400 V 15 000 V 5 000 V 800 V 700 V 35 000 V 12 000 V 6 000 V 2 000 V Removing DIPs from vinyl tray Removing DIPs from Styrofoam Removing bubble pack from PCB Packing PCBs in foam lined box 2 000 V 3 500 V 7 000 V 5 000 V 4 000 V 5 000 V 20 000 V 11 000 V 11 500 V 14 500 V 26 500 V 21 000 V These are then multi packaged inside plastic tubes trays or Styrofoam NOTE 700 volts ca...

Страница 28: ...the Work Area To prevent static damage at the work area use the following precautions Cover the work surface with approved static dissipative material Provide a wrist strap connected to the work surface and properly grounded tools and equipment Use static dissipative mats foot straps or air ionizers to give added protection Handle electrostatic sensitive components parts and assemblies by the case...

Страница 29: ...mputer by blocking any vents or air intakes Do not place the keyboard with the keyboard feet down directly against the front of the desktop unit as this also restricts airflow Occasionally clean the air vents on all vented sides of the computer Lint dust and other foreign matter can block the vents and limit the airflow Be sure to unplug the computer before cleaning the air vents Never operate the...

Страница 30: ...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...

Страница 31: ...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 22 Service Considerations Listed below are some of the considerat...

Страница 32: ... 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 ...

Страница 33: ...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...

Страница 34: ...t the operating system 3 Remove any compact disc from the computer 4 Turn off the computer and any peripheral devices that are connected to it CAUTION Turn off the computer before disconnecting any cables 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 remov...

Страница 35: ...ical Drive 8 Optical Drive Eject Button 3 5 25 Expansion Bay 9 Optical Drive Activity Light 4 3 5 Expansion Bay optional media card reader shown 1 10 USB Ports 5 Microphone Connector 11 Headphone Connector 6 Power On Light 1 The 3 5 bay may be populated with a diskette drive or a media card reader or it may be covered by a bezel blank Computer Components 27 ...

Страница 36: ...isassembly on page 26 2 Loosen the captive screw A that secures the access panel to the PC chassis 3 Use the handle to slide the access panel back about 2 5 cm 1 inch and then lift it off the unit To replace the access panel reverse the removal steps 28 Chapter 6 Removal and Replacement Procedures Microtower MT Chassis ...

Страница 37: ...ly on page 26 2 Remove the access panel Access Panel on page 28 3 Pull the three tabs B away from the outside edge of the chassis 4 Swing the front panel away from the chassis toward the left to remove it To reinstall the front bezel reverse the removal procedure Front Bezel 29 ...

Страница 38: ...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 incompatible metals in contact with each other CAUTION Static electricity c...

Страница 39: ...r of the sockets 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 3 and 4 for any additional modules that you want to install To reassemble the computer reverse th...

Страница 40: ...the computer down 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 and then slide the slot cover lock up and away from the slots to remove it from the computer 2 To reinstall the slot cover lock reverse the removal procedure 32 Chapter 6 Removal and Replacement Procedures Microtower MT Chassis ...

Страница 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...

Страница 42: ...nstall 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 If necessary connect external cables to the installed card 14 If necessary reconfigure the computer 34 Chapter 6 Removal and Replacement Procedures Microtower MT Chassis ...

Страница 43: ...TA 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 Squeeze on the top of the retaining...

Страница 44: ...ee Computer Components on page 27 for drive type and location The hard disk drive is a Serial ATA advanced technology attachment drive which uses a narrow data cable Select models have a second hard disk drive You can add an optical drive into an empty lower optical drive bay Removing an optical drive 1 Prepare the computer for disassembly Preparation for Disassembly on page 26 2 Remove the access...

Страница 45: ...e the drive by pulling the latch out away from the chassis and then pulling the drive part way out of the front of the chassis The latch drive brackets secure the drives in their respective positions in the chassis Release the drive by removing the screw from the chassis then pulling the drive part way out of the front of the chassis Removing and replacing drives 37 ...

Страница 46: ... drive cables use a gentle rocking motion to free the plug For Serial ATA hard disk drive cables press the latch select models only in the center of each plug and pull the plug from the drive connector 6 Pull the drive out through the front of the chassis 38 Chapter 6 Removal and Replacement Procedures Microtower MT Chassis ...

Страница 47: ...kout plate on the front cover To do so insert a flat screwdriver into the knockout plate slot B and rotate the screwdriver to break the knockout plate out of the front cover Discard the knockout plate A 4 On some models the optical drives are secured by latches On other models the optical drives are secured by screws Follow the instructions below for your model Release the drive by pulling the lat...

Страница 48: ...the drive in place slide the drive all the way in through the front of the chassis until it locks into place and make sure the drive latch pin is fully inserted into the hole labeled On models with a screw securing the drive in place slide the drive in through the front of the chassis until the bezel on the drive is evenly aligned with the computer front bezel and install the screw 40 Chapter 6 Re...

Страница 49: ... on page 26 2 Remove the access panel Access Panel on page 28 3 Remove the front bezel Front Bezel on page 29 4 Release the diskette floppy or hard disk drive by removing the two screws on the side of the drive and then slide the drive part way out of the front of the chassis 5 Disconnect the power and data cables from the back of the drive 1 2 6 Pull the drive out through the front of the chassis...

Страница 50: ...e memory card reader part way out of the front of the chassis 5 Disconnect the cable from the back of the memory card reader and if necessary remove the cable from the clip on the side of the hard drive cage 6 Pull the memory card reader out of the front of the chassis To replace the memory card reader reverse the removal procedures If the cable was routed through a clip on the hard drive cage be ...

Страница 51: ...disk drive on page 41 1 Prepare the computer for disassembly Preparation for Disassembly on page 26 2 Remove the access panel Access Panel on page 28 3 Remove the front bezel Front Bezel on page 29 4 Lay the computer gently on its side 5 Remove the two screws that secure the hard disk drive cage to the chassis 6 Push down the latch on the side of the hard disk drive cage and then slide the hard di...

Страница 52: ...elect models only in the center of each plug 6 and pull the plug from the drive connector 5 6 8 Remove the four screws that secure the hard disk drive to the hard disk drive cage and then slide the hard disk drive out of the hard disk drive cage 44 Chapter 6 Removal and Replacement Procedures Microtower MT Chassis ...

Страница 53: ...d disk drive cage aligning the drive with the four screw holes on the cage Install the four screws that secure the hard disk drive to the hard disk drive cage 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 remove the four guide screws from the old drive and use the screws to install the new drive 3 Place the hard di...

Страница 54: ...d disk drive cage with the holes on the back of the chassis and then slide it down toward the bottom of the chassis until it locks into place 5 Attach the hard disk drive cables 1 46 Chapter 6 Removal and Replacement Procedures Microtower MT Chassis ...

Страница 55: ...6 Attach the two screws that secure the hard disk drive cage to the chassis Removing and replacing drives 47 ...

Страница 56: ...bly cables and media card reader cables are tied together cut the tie to release them 6 Depending on the unit free any of the front I O cables from the cable tie or clips on the bottom of the hard drive cage as needed 7 Remove the screw 1 that secures the housing to the chassis and then slide the housing 2 toward the screw hole to release it from the chassis To install the housing assembly reverse...

Страница 57: ... stability 4 Disconnect the braided cable from the system board 5 If necessary remove the cable from the clips on the drive cage 6 Squeeze the top of the switch holder 1 slide the switch down 2 and then remove it from the chassis 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 Power Switch Assembly 49 ...

Страница 58: ... page 28 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 To install the fan reverse the removal procedures 50 Chapter 6 Removal and Replacement Procedures Microtower MT Chassis ...

Страница 59: ...n 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 Check to ensure that the heatsink mounting lugs do not rest on any electrical components before tightening the retaining screws CAUTION Position the heatsink so that fan wiring is closest to the memory modules Failure to install the heat...

Страница 60: ...and handling them could cause irreparable damage Once pins are damaged it may be necessary to replace the system board CAUTION The heatsink must be installed within 24 hours of installing the processor to prevent damage to the processor s solder connections To install a new processor 1 Place the processor in its socket and close the retainer 2 Secure the locking lever If reusing the existing heats...

Страница 61: ...ning screws should be tightened in diagonally opposite pairs as in an X to evenly seat the heatsink on the processor This is especially important as the pins on the socket are very fragile and any damage to them may require replacing the system board 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 ...

Страница 62: ...e the system board toward the front of the chassis and 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 To install the system board reverse the removal procedure NOTE When reinstalling the system board apply steady pressure pushing the system board toward the rear of the chassis while installing the retainin...

Страница 63: ...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...

Страница 64: ...tically 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 56 Chapter 6 Removal and Replacement Procedures Microtower MT Chassis ...

Страница 65: ... edge of the replacement battery under the holder s lip with the positive side up 2 Push the other edge down until the clamp snaps over the other edge of the battery 3 Replace the computer access panel 4 Plug in the computer and turn on power to the computer 5 Reset the date and time your passwords and any special system setups using Computer Setup Refer to the Computer Setup F10 Utility Guide Bat...

Страница 66: ...d 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 58 Chapter 6 Removal and Replacement Procedures Microtower MT Chassis ...

Страница 67: ...t all power cables from the mass storage devices and from the system board 5 Remove the four screws that secure the power supply to the chassis 6 If necessary press down on the tab in from of the power supply 7 Slide the power supply toward the front of the computer and then lift it out of the computer To install the power supply reverse the removal procedure When inserting the main power supply c...

Страница 68: ...tion connectors 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 60 Appendix A Connector Pin Assignments ...

Страница 69: ...Unused Unused USB Connector and Icon Pin Signal 1 2 3 4 5 VDC Data Data Ground Microphone Connector 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 Ethernet RJ 45 61 ...

Страница 70: ...dio_Out_Right Ground Monitor Connector and Icon 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 62 Appendix A Connector Pin Assignments ...

Страница 71: ...36 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...

Страница 72: ...r Drive Connector Pin Signal Pin Signal Pin Signal Pin Signal S1 S5 Ground B S2 S6 A B S3 S7 A Ground S4 Ground P1 P5 P9 P13 Ground B V 5 V 12 P2 P6 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 64 Appendix A Connector Pin Assignments ...

Страница 73: ...VD GND PERp4 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...

Страница 74: ...ND PETp4 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 P...

Страница 75: ...dited 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 ...

Страница 76: ... 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 ...

Страница 77: ... have been installed correctly and that proper modules are used 2 short beeps and 1 long beep followed by a three second pause No 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 be...

Страница 78: ... the ROM if needed 3 If an expansion board was recently added remove it to see if the problem remains 4 Clear CMOS 5 If the message 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 70 Appendix C POST Error Messages ...

Страница 79: ...mation Before You Call for Technical Support If you are having problems with the computer try the appropriate solutions below to try to isolate the exact problem before calling for technical support Run the diagnostics utility Refer to Chapter 1 HP Hardware Diagnostics on page 13 for more information If the screen is blank plug the monitor into a different video port on the computer if one is avai...

Страница 80: ...ase all data on the hard drive Helpful Hints If you encounter problems with the computer monitor or software see the following list of general suggestions before taking further action Check that the computer and monitor 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 tha...

Страница 81: ...this section If a problem persists and you are unable to resolve it yourself or if you feel uncomfortable about performing the operation contact an authorized dealer or reseller WARNING When the computer is plugged into an AC power source voltage is always applied to the system board To reduce the risk of personal injury from electrical shock and or hot surfaces be sure to disconnect the power cor...

Страница 82: ...ontrol available in the operating system to make sure the speakers are not muted or to increase the volume The audio device may be connected to the wrong jack on the rear of the computer or the jack has been retasked to perform a different function Ensure that the device is connected to the correct jack on the rear of the computer If the correct jack is being used and the problem persists the jack...

Страница 83: ...splay 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 System does not power on and the LEDs on the front of the computer are not flashing Cause Solution System unable to power...

Страница 84: ...off automatically and the Power LED flashes Red two times once every second followed by a two second pause and the computer beeps two times Beeps stop after fifth iteration but LEDs continue flashing Cause Solution Processor thermal protection activated A fan may be blocked or not turning OR The heatsink is not properly attached to the processor 1 Ensure that the computer air vents are not blocked...

Страница 85: ...d Format the diskette 1 From Windows Explorer select the disk A drive 2 Right click the drive letter and select Format 3 Select the desired options and click Start to begin formatting the diskette Diskette is write protected Use another diskette or remove the write protection Writing to the wrong drive Check the drive letter in the path statement Not enough space is left on the diskette 1 Use anot...

Страница 86: ...u are using and use the correct diskette type You are reading the wrong drive Check the drive letter in the path statement Diskette is damaged Replace the diskette with a new one Invalid system disk message is displayed Cause Solution A diskette that does not contain the system files needed to start the computer has been inserted in the drive When drive activity stops remove the diskette and press...

Страница 87: ...e if the device is listed within Computer Setup If it is listed the probable cause is a driver problem If it is not listed the probable cause is a hardware problem The device is attached to a SATA port that has been disabled in Computer Setup Run the Computer Setup utility and ensure the device s SATA port is enabled in Main Nonsystem disk NTLDR missing message Cause Solution The system is trying ...

Страница 88: ...s enabled in Main Boot order is not correct Run the Computer Setup utility and change boot sequence in Main The device is attached to a SATA port that has been disabled in Computer Setup Run the Computer Setup utility and ensure the device s SATA port is enabled in Main Computer seems to be locked up Cause Solution Program in use has stopped responding to commands Attempt the normal Windows Shut D...

Страница 89: ...ted properly Do not know how to remove a media card correctly Cause Solution The computer s software is used to safely eject the card Open My Computer right click on the corresponding drive icon and select Eject Then pull the card out of the slot NOTE Never remove the card when the green LED is flashing After installing the media card reader and booting to Windows the reader and the inserted cards...

Страница 90: ...lution Monitor is not turned on and the monitor light is not on Turn on the monitor and check that the monitor light is on Bad monitor Try a different monitor The cable connections are not correct Check the cable connection from the monitor to the computer and to the electrical outlet You may have a screen blanking utility installed or energy saver features are enabled Press any key or click the m...

Страница 91: ...Cause Solution Monitor without energy saver capabilities is being used with energy saver features enabled Disable monitor energy saver feature Dim characters Cause Solution The brightness and contrast controls are not set properly Adjust the monitor brightness and contrast controls Cables are not properly connected Check that the graphics cable is securely connected to the graphics card and the mo...

Страница 92: ...ition or Vertical Position to adjust the horizontal or vertical position of the image No Connection Check Signal Cable displays on screen Cause Solution Monitor video cable is disconnected Connect the video cable between the monitor and computer CAUTION Ensure that the computer power is off while connecting the video cable Out of Range displays on screen Cause Solution Video resolution and refresh...

Страница 93: ...rd 1 Select the monitor s Auto Adjustment option in the monitor s on screen display menu 2 Manually synchronize the Clock and Clock Phase on screen display functions To download a SoftPaq that will assist you with the synchronization go to the following Web site select the appropriate monitor and download either SP32347 or SP32202 http www hp com support Graphics card is not seated properly or is ...

Страница 94: ... be connected to the wrong jack on the rear of the computer or the jack has been retasked to perform a different function Ensure that the device is connected to the correct jack on the rear of the computer If the correct jack is being used and the problem persists the jack may have been retasked to perform a function that is different from the default function Open the Realtek control panel by cli...

Страница 95: ...ording the audio file in a compressed format Line in Line out headphone or microphone jacks are not functioning properly Cause Solution Jacks have been reconfigured in the audio driver or application software In the audio driver or application software reconfigure the jacks or set the jacks to their default values Solving Printer Problems If you encounter printer problems see the documentation tha...

Страница 96: ... Cause Solution The printer may be out of paper Check the paper tray and refill it if it is empty Select online Solving Keyboard and Mouse Problems If you encounter keyboard or mouse problems see the documentation that came with the equipment and to the common causes and solutions listed in the following table Table D 9 Solving Keyboard Problems Keyboard commands and typing are not recognized by t...

Страница 97: ... keys The Num Lock key can be disabled or enabled in Computer Setup Table D 10 Solving Mouse Problems Mouse does not respond to movement or is too slow Cause Solution Program in use has stopped responding to commands Shut down the computer using the keyboard then restart the computer Mouse may need cleaning Remove the roller ball cover on the mouse and clean the internal components Mouse may need ...

Страница 98: ...f the computer and remove the power cord before proceeding Table D 11 Solving Hardware Installation Problems A new device is not recognized as part of the system Cause Solution Device is not seated or connected properly Ensure that the device is properly and securely connected and that pins in the connector are not bent down Cable s of new external device are loose or power cables are unplugged En...

Страница 99: ...e on LAN is not enabled NOTE Some NICs come with their own configuration applets that allow for more detailed control and configuration of wake features Refer to the documentation included with the NIC for more information Enable Wake on LAN 1 Select Start Control Panel 2 Double click Network Connections 3 Double click Local Area Connection 4 Click Properties 5 Click Configure 6 Click the Power Ma...

Страница 100: ...ork connector and that the other end of the cable is securely attached to the correct device The cable is attached to the incorrect connector Ensure that the cable is attached to the correct connector There is a problem with the cable or a device at the other end of the cable Ensure that the cable and device at the other end are operating correctly The network controller is defective Replace the n...

Страница 101: ...erver contains the NIC drivers for your NIC System setup utility reports unprogrammed EEPROM Cause Solution Unprogrammed EEPROM Contact HP Solving Memory Problems If you encounter memory problems some common causes and solutions are listed in the following table CAUTION Power may still be supplied to the DIMMs when the computer is turned off To avoid damage to the DIMMs or the system board you mus...

Страница 102: ...o not need You have run out of memory for the application Check the memory requirements for the application or add more memory to the computer Solving Processor Problems If you encounter processor problems common causes and solutions are listed in the following table Table D 14 Solving Processor Problems Poor performance is experienced Cause Solution Processor is hot 1 Make sure the airflow to the...

Страница 103: ...problem If it is not listed the probable cause is a hardware problem The device is attached to a SATA port that has been disabled in Computer Setup Run the Computer Setup utility and ensure the device s SATA port is enabled in Main CD ROM or DVD devices are not detected or driver is not loaded Cause Solution Drive is not connected properly or not properly configured See the documentation that came...

Страница 104: ...let Windows detect the CD or DVD driver Recording or copying CDs is difficult or impossible Cause Solution Wrong or poor quality media type 1 Try using a slower speed when recording 2 Verify that you are using the correct media for the drive 3 Try a different brand of media Quality varies widely between manufacturers USDT computer boots too slow after removing a CD ROM or DVD drive Cause Solution ...

Страница 105: ... is bootable Install the Drive Key only after the operating system boots 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 A USB device headphone or microphone is not recognized by the computer Cause Solution Device is not...

Страница 106: ... the cable DSL modem Cable DSL service is not available or has been interrupted due to bad weather Try connecting to the Internet at a later time or contact your ISP If the cable DSL service is connected the cable LED light on the front of the cable DSL modem will be on The CAT5 UTP cable is disconnected Connect the CAT5 UTP cable between the cable modem and the computers s RJ 45 connector If the ...

Страница 107: ...lled or configured correctly There is insufficient memory available to run the application There is a conflict between applications Be sure that all the needed device drivers have been installed If you have installed an operating system other than the factory installed operating system check to be sure it is supported on the system NOTE HP Backup and Recovery Manager can be used to restore the sof...

Страница 108: ... you created in HP Backup and Recovery Manager Illegal Operation has Occurred error message is displayed Cause Solution Software being used is not Microsoft certified for your version of Windows Verify that the software is certified by Microsoft for your version of Windows see program packaging for this information Configuration files are corrupt If possible save all data close all programs and re...

Страница 109: ...talling 2 disassembly preparation 26 diskette problems 76 Drive Key problems 96 E electrostatic discharge ESD preventing damage 19 error codes 69 ethernet RJ 45 pin assignments 61 expansion card removal and replacement 33 expansion slot cover lock removal and replacement 32 F fan power supply 23 front bezel removal and replacement 29 front I O panel removal and replacement 48 front panel problems ...

Страница 110: ...s pannel 28 battery 55 expansion card 33 expansion slot cover lock 32 front bezel 29 front I O panel 48 heatsink 51 memory 30 power switch assembly 49 processor 52 system board 54 system fan 50 S safety and comfort 71 safety precautions cleaning 22 SATA connectors on system board 15 data cable pinouts 15 hard drive characteristics 15 pin assignments 64 power cable pinouts 16 screws correct size 24...

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