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377977-AA1

Service Reference Guide, d260

CMOS Checksum Bad

CMOS contents failed the 
Checksum check.

Restart the computer, use the F10 Key to 
access Computer Setup. Select 

Load 

Default Settings

 > 

Save and Exit

.

Keyboard Error

Keyboard not present or 
system not responding 
when keyboard controller 
is initialized.

Reconnect keyboard with computer 
turned off.
Check connector for bent or missing 
pins.
Ensure that none of the keys are 
depressed.
Replace keyboard.
Replace system board.

Keyboard/Interface 
Error

Keyboard controller 
failure.

Reconnect keyboard with computer 
turned off.
Check connector for bent or missing 
pins.
Ensure that none of the keys are 
depressed.
Replace keyboard.
Replace system board.

POST Error Messages 

Screen Message

Probable Cause

Recommended Action

Summary of Contents for Compaq d260 MT

Page 1: ...des information on the removal and replacement of all parts as well as information on troubleshooting Desktop Management setup utilities Parallel ATA drives safety routine care connector pin assignments POST error messages and diagnostic indicator lights Document Part Number 377977 AA1 ...

Page 2: ......

Page 3: ...Service Reference Guide Business Desktop d260 Series 1st Edition Document Part Number 377977 AA1 November 2004 ...

Page 4: ...cument is provided as is without warranty of any kind including but not limited to the implied warranties of merchantability and fitness for a particular purpose and is subject to change without notice The warranties for HP products are set forth in the express limited warranty statements accompanying such products Nothing herein should be construed as constituting an additional warranty This docu...

Page 5: ...ent 3 1 Software Updating and Management 3 1 3 1 1 Dual State Power Button 3 1 3 1 2 Power Management 3 1 3 1 3 HP Support Web Site 3 2 3 2 Security 3 3 3 2 1 Password Security 3 3 3 2 2 Establishing a Setup Password Using Computer Setup 3 3 3 2 3 Establishing a Power On Password Using Computer Setup 3 3 4 Ultra ATA Drive Guidelines and Features 4 1 Ultra ATA Jumpers 4 1 4 2 Ultra ATA Cables 4 1 4...

Page 6: ...use 5 6 5 4 Service Considerations 5 6 5 4 1 Power Supply Fan 5 6 5 4 2 Tools and Software Requirements 5 6 5 4 3 Screws 5 6 5 4 4 Cables and Connectors 5 7 5 4 5 Hard Drives 5 7 5 4 6 Lithium Coin Cell Battery 5 7 6 Removal and Replacement Procedures Microtower Type Chassis 6 1 Preparation for Disassembly 6 1 6 2 Access Panel 6 2 6 3 Front Bezel 6 3 6 4 Front Drive Bezels 6 4 6 4 1 5 25 Drive Bez...

Page 7: ...vice Reference Guide d260 377977 AA1 v Contents A Connector Pin Assignments B Power Cord Set Requirements C POST Error Messages D Troubleshooting Without Diagnostics E Memory F System Specifications Index ...

Page 8: ...vi 377977 AA1 Service Reference Guide d260 Contents ...

Page 9: ......

Page 10: ...automatically convert a FAT32 drive to NTFS 1 3 HP Software The Microsoft Windows XP Home or Windows XP Professional operating system is the supported OS All software including OS will be user installed Certain drivers and utilities are available only in selected languages You can obtain the latest version of these files in English and selected other languages in one of these ways HP Web site at w...

Page 11: ...h and manage passwords and other security features Establish and manage energy saving timeouts All features identified in this chapter may not be available on all HP products 2 1 Power On Self Test POST POST is a series of diagnostic tests that runs automatically when the system is turned on POST checks the following items to ensure that the computer system is functioning properly Keyboard Memory ...

Page 12: ...n Secure the integrated I O functionality including the serial USB or parallel ports audio or embedded NIC so that they cannot be used until they are unsecured Enable or disable removable media boot ability Enable or disable removable media write ability when supported by hardware Solve system configuration errors detected but not automatically fixed during the Power On Self Test POST Execute self...

Page 13: ... want applied select Exit without Saving To reset to factory settings select Load Default Settings This option will restore the original factory system defaults ÄCAUTION Do NOT turn the computer power OFF while the ROM is saving your F10 Computer Setup changes because the CMOS could become corrupted It is safe to turn off all power to the computer after you exit the F10 Setup screen ...

Page 14: ...s Sets the system time 24 hour format System date mm dd yyyy Sets the system date Floppy drive A Calculates the size and capacity of the floppy drive Primary IDE Master Auto detects which hard drive is the primary master drive Primary IDE Slave Auto detects which hard drive is the primary slave drive Secondary IDE Master Auto detects which hard drive is the secondary master drive Secondary IDE Sla...

Page 15: ...have your system start up faster The available setting values are Disabled and Enabled Boot Other Device With this function set to Enabled the system will boot from some other devices if the first second third boot devices failed Boot Up NumLock Status Add On ROM Display mode This item defines if the keyboard Num Lock key is active when your system is started Power management ACPI Standby State se...

Page 16: ......

Page 17: ...ccp voltage 1 5V Detects current ATX power 1 5V 3 3V Detects current ATX power 3 3V 5 0V Detects current ATX power 5 0V 12 0V Detects current ATX power 12 0V CPU Fan Fault Detect The current speed of the CPU fan will be automatically detected by the system Password Option Set Supervisor Password Allows you to set and change the supervisor password Password Status Shows password status Password Che...

Page 18: ...2 8 377977 AA1 Service Reference Guide d260 Setup Utilities and Diagnostics Features ...

Page 19: ...again to quickly bring the system out of suspend to full power status To completely turn off all power to the system press and hold the power button for four seconds ÄCAUTION Do not use the power button to turn off the computer unless the system is not responding turning off the power without operating system interaction could cause damage to or loss of data on the hard drive 3 1 2 Power Managemen...

Page 20: ...HP http www hp com cn China or http www hp com in ...

Page 21: ...Press Enter to bypass the title screen if necessary If you do not press the F10 key at the appropriate time you must turn the computer off then on again and press the F10 key again to access the utility 3 Select Security then select Setup Password and follow the instructions on the screen 4 Before exiting click File Save Changes and Exit 3 2 3 Establishing a Power On Password Using Computer Setup ...

Page 22: ... press the F10 key again to access the utility 3 When the key icon appears on the monitor type the setup password then press the Enter key Type carefully for security reasons the characters you type do not appear on the screen If you enter the password incorrectly a broken key icon appears Try again After three unsuccessful tries you must turn off the computer then turn it on again before you can ...

Page 23: ...urrent password followed by a slash or alternate delimiter character as shown current password 3 Press the Enter key The power on password and setup password may also be changed using the Security options in Computer Setup Clearing Passwords If you forget your password you cannot access the computer To clear the password turn off and unplug the computer then set the Clear CMOS jumper to pin 1 2 th...

Page 24: ...3 6 377977 AA1 Service Reference Guide d260 Desktop Management ...

Page 25: ...ve Device 0 or Slave Drive Device 1 position 4 2 Ultra ATA Cables When installing a second device on either the primary or secondary controller you must use an industry standard 80 conductor Ultra ATA cable for optimal performance These cables have a maximum length of 18 inches and a maximum distance of 6 inches between the two devices for a two drive cable Drives operating at speeds faster than t...

Page 26: ...to these controllers using an industry standard 80 conductor cable The industry standard 1 44 MB diskette drive has its own separate channel and is not included as a part of the maximum four drives Any drive attached to a controller must have a drive designation If only a single drive is connected to a controller and its jumper is in the cable select position it is designated as the Master Drive D...

Page 27: ...ary controllers receive the greatest possible bandwidth The bootable ATA hard drive should always be installed on the primary controller in the Device 0 position 4 3 2 Attach Sequence Rules by Class Priority Drives should be attached in the sequence shown for optimum performance starting at position 1 If there are three or more devices two or more of which are hard drives two hard drives should be...

Page 28: ...ch Sequence Rule to determine the best drive installation sequence Two examples of how to use the worksheet are Three device installation Four device installation General Attach Sequence Rule Sequence Description 1 The lowest class drive bootable hard drive recommended 2 If only two drives the last drive goes here otherwise the lowest class of the remaining drives 3 If only three drives attach the...

Page 29: ...A system has four devices Ultra ATA 100 hard drive Ultra ATA 100 hard drive DVD CDR W drive and a ZIP 250 drive Using the Device Class Table in Section 4 3 1 the devices may be reidentified as Ultra ATA 100 hard drive Class 1 Ultra ATA 100 hard drive Class 1 DVD CDR W drive Class 2 ZIP 250 drive Class 4 Attach Sequence Worksheet Three Device Installation Sample Device Name Device Class Position Nu...

Page 30: ...up F10 Setup 4 4 SMART 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 prediction and failure indication parameters such as reallocated sector count spin retry count and calibration r...

Page 31: ...ities and restrictions imposed on the computer by the combinations of file and operating systems Microsoft to Drive Manufacturer Size Conversion Table Drive Size as Identified by Microsoft Operating System Drive Size as Identified by Drive Manufacturers 2 GB 2 1 GB 4 GB 4 3 GB 32 GB 34 4 GB 64 GB 68 7 GB 128 GB 137 GB 2 TB 2 199 TB Drive size calculations by drive manufacturers are bytes to the ba...

Page 32: ...4 8 377977 AA1 Service Reference Guide d260 Ultra ATA Drive Guidelines and Features ...

Page 33: ...erence to the procedures and precautions described in this chapter is essential for proper service Ä 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 5 1 Chassis Designations 5 1 1 Microtower Type ...

Page 34: ...nt Many electronic components are sensitive to ESD Circuitry design and structure determine the degree of sensitivity The following packaging and grounding 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 ...

Page 35: ...give added protection Handle electrostatic sensitive components parts and assemblies by the case or PCB laminate Handle them only at static free work areas 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 ...

Page 36: ...re 5 3 1 General Cleaning Safety Precautions 1 Never use solvents or flammable solutions to clean the computer 2 Never immerse any parts in water or cleaning solutions apply any liquids to a clean cloth and then use the cloth on the component 3 Always unplug the computer when cleaning with liquids or damp cloths 4 Always unplug the computer before cleaning the keyboard mouse or air vents 5 Disconn...

Page 37: ...ures Ä CAUTION Use safety glasses equipped with side shields before attempting to clean debris from under the keys Visible debris underneath or between the keys may be removed by vacuuming or shaking Canned pressurized air may be used to clean debris from under the keys Caution should be used as too much air pressure can dislodge lubricants applied under the wide keys If you remove a key use a spe...

Page 38: ... must disconnect the power cord from the power source before opening the computer to prevent system board or component damage 5 4 2 Tools and Software Requirements To service the computer you need the following Torx T 15 screwdriver HP screwdriver with bits PN 161946 001 Torx T 15 screwdriver with small diameter shank for certain front bezel removal Flat bladed screwdriver may sometimes be used in...

Page 39: ...their protective packaging until they are actually mounted in the CPU Avoid dropping drives from any height onto any surface If you are inserting or removing a hard drive turn off the computer Do not remove a hard drive while the computer is on or in standby mode Before handling a drive ensure that you are discharged of static electricity While handling a drive avoid touching the connector For mor...

Page 40: ...5 8 377977 AA1 Service Reference Guide d260 Identifying the Chassis Routine Care and Disassembly Preparation ...

Page 41: ...omputer 4 Turn off the computer and any peripheral devices that are connected to it Ä CAUTION Turn off the computer before disconnecting any cables Ä CAUTION Regardless of the power on state voltage is always present on the system board as long as the system is plugged into an active AC outlet In some systems the cooling fan is on even when the computer is in the Standby or Suspend modes The power...

Page 42: ...f and that the power cord is disconnected from the electrical outlet 2 Remove the two screws that secure the access panel to the computer chassis Some access panels use captive thumbscrews Remove the right access panel to upgrade memory or an expansion card Remove the left and right access panels to upgrade a drive 3 Slide the access panel back about 1 inch 2 5 cm then lift it away from and off th...

Page 43: ... Press fastener as circles shown and pull out to remove the front bezel To install the front bezel insert the top two latches into their respective holes in the chassis and push the bezel in until it is fully seated The front bezel shown may be different than the one on your computer but the removal and replacement procedures are identical When replacing the front bezel ensure that the top of the ...

Page 44: ...n 6 1 2 Remove the access panel Section 6 2 3 Remove the front bezel Section 6 3 6 4 1 5 25 Drive Bezel Blank Press one of the retaining tabs on the inside of the large bezel towards the outer edge of the bezel to release the bezel blank At the same time pull the bezel blank outwards to remove it from the main bezel To install a bezel blank reverse the removal procedure ...

Page 45: ... and Replacement Procedures Microtower Type Chassis 6 4 2 Diskette Drive Bezel Pull the right retaining tab upwards At the same time pull the bezel outwards to remove it from the main bezel To install a diskette drive bezel reverse the removal procedure ...

Page 46: ...ION Static electricity can damage the electronic components of the computer or optional cards Before beginning these procedures ensure that you are discharged of static electricity by briefly touching a grounded metal object Refer to Chapter 5 for more information ÄCAUTION When handling a memory module be careful not to touch any of the contacts Doing so may damage the module 1 Prepare the compute...

Page 47: ...odule and install the modules following the numerical order of the sockets A memory module can be installed in only one way Match the notch on the module with the tab on the memory socket 5 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 6 Repeat steps 4 and 5 for any additional modules that you ...

Page 48: ...ectors 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 If not installing an additional expansion card skip to step 11 9 Remove the expansion slot cover 10 Slide the expansion card into the expansion socket and press it firmly into place When y...

Page 49: ...nstall the guide screws on a drive ÄCAUTION Make sure personal files on the hard drive are backed up to 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 HP factory installed files 6 7 1 Drive Positions Drive Positions Item Description Item Description 1 Opt...

Page 50: ...In some cases it may be easier to slide the drive part way out of the drive bay before removing the cables 5 Remove the four screws two from each side that secure the drive in the drive cage 1 6 Slide the drive out of the drive cage 2 To install a drive reverse the removal procedure If you are installing a 5 25 drive for the first time into bay 2 you must first remove the drive from bay 1 and then...

Page 51: ...ur screws two from each side that secure the drive in the drive cage 1 6 Slide the drive out of the front of the chassis 2 To replace the diskette drive reverse removal procedure 6 7 4 Removing a 3 5 Hard Drive 1 Prepare the computer for disassembly Section 6 1 2 Remove both the right and left access panels Section 6 2 3 Remove the front bezel section 6 3 4 Disconnect the power and data cables fro...

Page 52: ...6 12 377977 AA1 Service Reference Guide d260 Removal and Replacement Procedures Microtower Type Chassis To replace the drive cage reverse the removal procedure ...

Page 53: ...1 Prepare the computer for disassembly Section 6 1 2 Remove the right access panel Section 6 2 3 Remove the front bezel section 6 3 4 Disconnect the front USB cable from the system board 5 Remove the single screw that secures the front USB device to the chassis 1 then slide the USB housing up to release it from the chassis 2 ...

Page 54: ...screws that secure the USB printed circuit board from the inside of the USB housing and then remove the board The USB board shown is used on the d220 d228 and d230 models the d240 and d248 models have only one capacitor on the board To install the USB board and the USB housing to the chassis reverse the removal procedures ...

Page 55: ...cess panels Section 6 2 3 Lay the computer down on its side to make it easier to work on 4 Remove Heatsink 5 Raise the handle on the ZIF socket to the full open position 6 Grasp the processor by the edges and pull it straight up from the socket 6 9 2 Removing Prescott cooler 1 Prepare the computer for disassembly Section 6 1 2 Remove the right access panels Section 6 2 3 Lay the computer down on i...

Page 56: ...309578 001 and P4 2 4 GHz 533 1MB 394384 001 box CPU the fansink shipped with Box CPU should not be used Please use respective thermal solution created for d260 377348 001 for Cel 2 0 Ghz and 378157 001 for P4 2 4 GHz 533 1MB ...

Page 57: ... drive Section 6 7 3 5 Disconnect the power and data cables from the back of all installed 3 5 drives 6 Remove 3 5 Hard Drive Section 6 7 4 7 Disconnect all cables from the system board 8 Remove the heatsink from the system board Section 6 9 9 Remove the six screws that secure the system board to the chassis 1 10 Lift up the system board to remove it 2 To install the system board reverse the remov...

Page 58: ...battery only with the HP spare designated for this product Ä 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 N Batteries battery packs and accumulators should not be disposed of together with the gene...

Page 59: ...tery 2 When the battery pops up lift it out 3 To insert the new battery 2 slide one edge of the replacement battery under the holder s lip with the positive side up Push the other edge down until the clamp snaps over the other edge of the battery 4 Replace the computer cover or access panel 5 Plug in the computer and turn on power to the computer 6 Reset the date and time your passwords and any sp...

Page 60: ... clip that holds the battery in place 1 2 Lift the battery out of its holder 2 3 Slide the replacement battery into position The battery holder automatically secures the battery in the proper position 4 Replace the computer cover or 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 ...

Page 61: ...om the mass storage devices and from the system board If the chassis has a removable retaining clip lay the chassis down on its side for easy access and continue with step 4 If the chassis does not have a removable retaining clip keep the computer in its upright position and continue with step 5 4 Remove the 4 screws that secure the power supply 1 to the chassis 5 Slide the power supply toward the...

Page 62: ...6 22 377977 AA1 Service Reference Guide d260 Removal and Replacement Procedures Microtower Type Chassis ...

Page 63: ...ectors may not be used on the product being serviced Enhanced 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 1 2 3 4 Transmit Data Transmit Data Receive Data Unused 5 6 7 8 Unused Receive Data Unused Unused ...

Page 64: ...2 Acknowledge Busy Paper End 16 17 18 25 Initialize Printer Select IN 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 USB Connector and Icon Pin Signal 1 2 3 4 5 VDC Data Data Grou...

Page 65: ... 1 8 miniphone Pin Signal 1 Tip Audio_Out_Left 2 Ring Audio_Out_Right 3 Shield Ground Monitor Connector and Icon Pin Signal Pin Signal Pin Signal 1 2 3 Red Analog Green Analog Blue Analog 6 7 8 Ground Ground Ground 11 12 13 Not used DDC Serial Data Horizontal Sync 4 5 Not used Ground 9 10 5V DC fused Ground 14 15 Vertical Sync DDC Serial Clock 4 Pin Power for CPU Connector and Icon Pin Signal 1 GN...

Page 66: ...D9 DD5 DD10 DD4 DD11 20 21 22 23 24 Key DMARQ Ground DIOW Ground 34 35 36 37 38 PDIAG cable detect DA0 DA2 CS1FX CS3FX 11 12 13 14 DD3 DD12 DD2 DD13 25 26 27 28 DIOR Ground IORDY CSEL 39 40 DASP Ground 20 Pin Power Connector Pin Signal Pin Signal Pin Signal Pin Signal 1 2 3 4 5 3 3 V 3 3 V GND 5 V GND 6 7 8 9 10 5 V GND PWROK 5V SB 12 V 11 12 13 14 15 3 3 V 12 V GND PSON SLP S5 GND 16 17 18 19 20 ...

Page 67: ...thorized HP dealer reseller or service provider General Requirements The requirements listed below are applicable to all countries 1 The length of the power cord set must be at least 6 00 feet 1 8 m and a maximum of 9 75 feet 3 0 m 2 All power cord sets must be approved by an acceptable accredited agency responsible for evaluation in the country where the power cord set will be used 3 The power co...

Page 68: ...B 2 377977 AA1 Service Reference Guide d260 Country Specific Requirements D260 is only for China Market it is CCC certified ...

Page 69: ...r System halts after displaying this message Reseat memory modules Replace memory modules Boot Failure BIOS could not boot from the device This message is usually followed by information about the specific device Reseat the device data and power cables Replace the device data cable Replace the device Replace the system board Invalid Boot Diskette Diskette in drive A not bootable Replace the disket...

Page 70: ... board S M A R T Capable but Command Failed S M A R T Command Failed BIOS unable to send a S M A R T message to the device Backup the data on the hard drive Replace the hard drive S M A R T Status Bad Backup and replace S M A R T Capable and Status Bad S M A R T capable hard drive detects an imminent failure Backup the data on the hard drive then replace the hard drive DMA 1 Error DMA 2 Error Erro...

Page 71: ...store plug and play data was not used for system configuration in POST Restart the computer use the F10 Key to access Computer Setup Select Load Default Settings Save and Exit Change system board jumper on JP2 to pins 2 3 Unlock then flash the system BIOS Reset the jumper to pins 1 2 Lock Replace the system board Timer Error Error found while programming the count register of channel 2 of the 8254...

Page 72: ...d controller is initialized Reconnect keyboard with computer turned off Check connector for bent or missing pins Ensure that none of the keys are depressed Replace keyboard Replace system board Keyboard Interface Error Keyboard controller failure Reconnect keyboard with computer turned off Check connector for bent or missing pins Ensure that none of the keys are depressed Replace keyboard Replace ...

Page 73: ...nd a single monitor the monitor must be plugged into the monitor connector on the source selected as the primary VGA adapter During boot the other monitor connectors are disabled and if the monitor is connected into these ports the monitor will not function You can select which source will be the default VGA source in Computer F10 Setup Press and hold any key If the system beeps then the keyboard ...

Page 74: ...under Control Panel 2 Replace the RTC battery Computer appears to pause periodically Network driver is loaded and no network connection is established Establish a network connection or use Computer Setup or Microsoft Windows Device Manager to disable the network controller Cursor will not move using the arrow keys on the keypad The Num Lock key may be on Press the Num Lock key The Num Lock key can...

Page 75: ...ly attached System does not power on and the LEDs on the front of the computer are not flashing System unable to power on Press and hold the power button for less than 4 seconds If the hard drive LED turns amber then 1 Check that the voltage selector is set to the appropriate voltage 2 Remove the expansion cards one at a time 3 Replace the system board OR Press and hold the power button for less t...

Page 76: ...Processor thermal protection activated A fan may be blocked or not turning OR The heatsink fan assembly is not properly attached to the processor 1 Ensure that the computer air vents are not blocked and the cooling fan is running 2 Open hood press the power button and see if the processor fan spins If the processor fan is not spinning make sure the fan s cable is plugged onto the system board head...

Page 77: ... attempted to hot plug a removable hard drive that has DriveLock security enabled This feature supported on select models only Shut down the computer Insert the drive into the MultiBay if it is not already inserted Turn on the computer Diskette drive cannot write to a diskette Diskette is not formatted Format the diskette Diskette is write protected Use another diskette or remove the write protect...

Page 78: ...e Invalid system disk message is displayed 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 the Spacebar The computer should start up Diskette error has occurred Restart the computer by pressing the power button Cannot Boot to Diskette Diskette is not bootable Replace with a bootabl...

Page 79: ...ot listed the probable cause is a hardware problem Drive jumper settings may be incorrect If the drive is a secondary drive that has just been installed on the same cable as the primary drive verify that the jumpers for both drives are set correctly Nonsystem disk NTLDR missing message System is trying to start from a non bootable diskette Remove the diskette from the diskette drive System is tryi...

Page 80: ...Hard drive is damaged Observe the beeps and LED lights on the front of the computer See Appendix C POST Error Messages Computer seems to be locked up Program in use has stopped responding to commands 1 Attempt the normal Windows Shut Down procedure 2 Press the power button for four or more seconds to turn off the power 3 Restart the computer using the power button Solving Hard Drive Problems Conti...

Page 81: ... the resolution chosen Computer is in standby mode Press the power button to resume from standby mode ÄCAUTION When attempting to resume from standby mode do not hold down the power button for more than four seconds Otherwise the computer will shut down and you will lose your data Monitor cable plugged into the wrong connector If the computer system has both an integrated graphics connector and an...

Page 82: ... the monitor may be incorrectly adjusted 1 Be sure the monitor cable is securely connected to the computer 2 In a two monitor system or if another monitor is in close proximity be sure the monitors are not interfering with each other s electromagnetic field by moving them apart 3 Fluorescent lights or fans may be too close to the monitor Monitor needs to be degaussed Degauss the monitor Vibrating ...

Page 83: ... 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 Download SoftPaq SP20930 or SP22333 depending on the monitor to assist with the synchronization Certain typed symbols do not appear correct The font you are using does not support that particular symbol Use the Character Map to locate the and select...

Page 84: ...nel select System 2 On the Hardware tab click the Device Manager button 3 Right click on the CD DVD device and select Properties 4 On the Properties tab make sure Enable digital CD audio for this CD ROM device is checked Headphones or devices connected to the line out connector mute the internal speaker Turn on and use headphones or external speakers if connected or disconnect headphones or extern...

Page 85: ...s the Output Mode the internal speaker and external analog speakers will no longer output audio until you switch back to an auto sense or analog mode If you set analog as the Output Mode external digital speakers will not function until you change the output mode back to an auto sense or digital mode Sound cuts in and out Processor resources are being used by other open applications Shut down all ...

Page 86: ...e printer driver If you are on a network you may not have made the connection to the printer Make the proper network connections to the printer Printer may have failed Run printer self test Printer will not turn on The cables may not be connected properly Reconnect all cables Printer prints garbled information The correct printer driver is not installed Install the correct printer driver for the a...

Page 87: ...e 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 Lock key can be disabled or enabled in Computer Setup Mouse does not respond to movement or is too slow Mouse connector is not properly plugged into the back of the computer 1 Shut down the computer using the keyboard 2 Plug the mouse connector into the back of the computer...

Page 88: ...ly connected and that pins in the cable or connector are not bent down Power switch of new external device is not turned on Turn off the computer turn on the external device then turn on the computer to integrate the device with the computer system When the system advised you of changes to the configuration you did not accept them Reboot the computer and follow the instructions for accepting the c...

Page 89: ...d by computer beeps Memory is installed incorrectly or is bad 1 Reseat DIMMs 2 Replace DIMMs one at a time to isolate the faulty module 3 Replace third party memory with HP memory 4 Replace the system board Solving Hardware Installation Problems Continued Problem Cause Solution ...

Page 90: ...ot properly loaded Reinstall network drivers System cannot autosense the network Disable auto sensing capabilities and force the system into the correct operating mode Diagnostics reports a failure The cable is not securely connected Ensure that both ends of the data cable are securely connected The cable is attached to the incorrect connector Ensure that the cable is attached to the correct conne...

Page 91: ...settings for the board Network controller stops working without apparent cause The files containing the network drivers are corrupted Reinstall the network drivers using the Restore Plus CD The cable is not securely connected Ensure that both ends of the cable are securely attached to the correct devices The network controller is defective Replace the NIC or replace the system board if the NIC is ...

Page 92: ...ce Manager to check memory configuration You have run out of memory to run the application Check the application documentation to determine the memory requirements Memory count during POST is wrong The memory modules may not be installed correctly Check that the memory modules have been installed correctly and that proper modules are used Insufficient memory error during operation Too many Termina...

Page 93: ...sor Problems Problem Cause Solution Poor performance is experienced Processor is hot 1 Make sure the airflow to the computer is not blocked 2 Make sure the fans are connected and working properly some fans only operate when needed 3 Make sure the processor heatsink is installed properly ...

Page 94: ...nstall decoder software Cannot eject compact disc tray load unit Disc not properly seated in the drive 1 Turn off the computer and insert a thin metal rod into the emergency eject hole and push firmly 2 Slowly pull the tray out from the drive until the tray is fully extended then remove the disc CD ROM CD RW DVD ROM or DVD R RW drive cannot read a disc or takes too long to start CD has been insert...

Page 95: ...not available Change the default drive letter for the Drive Key in Windows XP The computer boots to DOS after making a bootable Drive Key Drive Key is bootable Install the Drive Key after the operating system boots Solving Internet Access Problems Problem Cause Solution Unable to connect to the Internet Internet Service Provider ISP account is not set up properly Verify Internet settings or contac...

Page 96: ...cable between the cable modem and the computers s RJ 45 connector If the connection is good the PC LED light on the front of the cable DSL modem will be on IP address is not configured properly Contact the ISP for the correct IP address Cookies are corrupted Windows XP 1 Select Start Control Panel 2 Double click Internet Options 3 On the General tab click the Delete Cookies button Cannot automatic...

Page 97: ...ick the Hardware tab 4 In the Device Manager area click the Device Manager button 5 Double click Ports COM LPT 6 Right click the COM port your modem uses then click Properties 7 Under Device status verify that the modem is working properly 8 Under Device usage verify the modem is enabled 9 If there are further problems click the Troubleshoot button and follow the on screen instructions Solving Int...

Page 98: ...D 26 377977 AA1 Service Reference Guide d260 ...

Page 99: ...l memory capability The DIMMs used must be industry standard 184 pin unbuffered PC2100 266 MHz PC2700 333 MHz or PC3200 400 MHz compliant select models 2 5 volt DDR SDRAM DIMMs The following features are required CAS latency 2 2 5 or 3 CL 2 CL 2 5 CL 3 Modules must contain the mandatory Joint Electronic Device Engineering Council JEDEC Serial Presence Detect SPD information 128Mbit 256 Mbit and 51...

Page 100: ... J24 Channel A sockets must be identical DIMMs in the J25 and J28 Channel B sockets must also be identical Therefore if you have one preinstalled DIMM in J23 and are adding a second DIMM it is recommended that you install an identical DIMM into the J25 socket for optimum dual channel performance If you are populating all four memory sockets in dual channel mode you must use four identical DIMMs fo...

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Page 102: ...VGA monitor Connector in rear One 3 5 standard floppy diskette drive Other I O Serial Parallel PS2 Keyboard mouse IDE 2 IDE 1 for HDD 1 for Optical drive System BIOS Winbond W49LF004A4M BAward BIOS code ACPI supported S3 will be default Hardware are monitor supported Power Management Wake on USB from ACPI S1 S3 Wake on PS 2 Keyboard mouse from ACPI S1 S3 S4 and S5 Energy Star compliant Features Co...

Page 103: ...Service Reference Guide d260 377977 AA1 F 3 Mainboard Layout Orientation Label Component BAT1 Battery CD_IN CD IN Connector CLS_CMOS Clear CMOS COM1 Serial Port CPU_FAN CPU connector ...

Page 104: ...B connector PCI1 2 3 PCI Slot PIDE Primary IDE connector PRT Parallel Print port PWR1 Main power connector SIDE Secondery IDE connector U16 CPU Slot U27 BIOS Firmware U17 North Bridge Chipset U6 South Bridge Chipset U28 Super I O Controler VGA VGA Slot U48 Realtek LAN IC U2 Realtek Audio IC CN36 LAN disable enable header JP10 Boot Block Lock jumper PWR2 12V connector position FAN2 System Fan posit...

Page 105: ...r CMOS Hearder Pin Signal Names 1 2 Clear CMOS 2 3 Normal degault LAN Disable Header Pin Signal Names 1 GPIO 2 GPIO LAN DISABLEJ ATX Power Connector Pin Signal Names Pin Signal Names 1 3 3V 2 3 3V 3 Ground 4 5V 5 Ground 6 5V 7 Ground 8 PWROK 9 5V SB 10 12V 11 3 3V 12 12V 13 Ground 14 SLP S5 15 Ground 16 Ground 17 Ground 18 N C 19 20 5V ...

Page 106: ...or ATX 12V Connector Pin Signal Names Pin Signal Names 1 Ground 2 Ground 3 12V 4 12V CPU_FAN Pin Signal Names 1 Ground 2 FANPWM1 3 FANIO1 FAN2 Pin Signal Names 1 Ground 2 FANPWM2 3 FANIO2 CD IN Connector Pin Signal Names 1 CD L 2 CD GND 3 CD GND 4 CD R Keyboard Mouse Pin Signal Names 1 7 Data 2 8 CD GND ...

Page 107: ... Clock 6 12 No connector Keyboard Mouse Pin Continued Signal Names Continued J10 CMOS 1pin 2pin Lock Boot Block EMPTY Unlock LAN LED Color Definition Solid green LAN Power on Blinking orange The system is communicating Over the LAN if LED off indicated no LAN activity LAN USB2 Pin Signal Name 1 5 Power Fused 2 6 USBP0 USBP1 3 7 USBP0 USBP1 4 8 Ground 10 T D ...

Page 108: ... 21 22 Yellow LED LAN USB2 Continued Pin Continued Signal Name Continued Parallel Port Pin Signal Names Pin Signal Names 1 Strobe 14 Auto Feed 2 Data bit 0 15 Fault 3 Data bit 1 16 INIT 4 Data bit 2 17 SLCT IN 5 Data bit 3 18 Ground 6 Data bit 4 19 Ground 7 Data bit 5 20 Ground 8 Data bit 6 21 Ground 9 Data bit 7 22 Ground 10 ACK 23 Ground 11 Busy 24 Ground 12 Error 25 Ground 13 Select ...

Page 109: ...2 40 pin IDE Headers Pin Signal Names Pin Signal Names 1 Reset IDE 2 Ground 3 Host Data 7 4 Host Data 8 5 Host Data 6 6 Host Data 9 7 Host Data 5 8 Host Data 10 9 Host Data 4 10 Host Data 11 11 Host Data 3 12 Host Data 12 13 Host Data 2 14 Host Data 13 15 Host Data 1 16 Host Data 14 17 Host Data 0 18 Host Data 15 19 Ground 20 Key 21 DDRQ0 DDRQ1 22 Ground 23 I O Write 24 Ground ...

Page 110: ...aders Pin Signal Names Pin Signal Names 1 Ground 2 DRVDEN0 3 Key 4 Reserved 5 Ground 6 DRVDEN1 7 Ground 8 Index 9 Ground 10 Motor Enable A 11 Ground 12 Drive Select B 13 Ground 14 Drive Select A 15 Ground 16 Motor Enable B 17 Ground 18 DIR 19 Ground 20 STEP 21 Ground 22 Write Data 23 Ground 24 Write Gate 25 Ground 26 Track 00 27 Ground 28 Write Protect 29 Ground 30 Read Data 2 40 pin IDE Headers C...

Page 111: ...4 and Celeron Cel 2 0 GHz 3 06 GHz P4 2 4 GHz 3 4GHz ...

Page 112: ...combination as long as they match the above specifications Controls and Indicators 1 Power Switch 1 Dual color LED for Power Green Suspend Orange 1 Single color LED for HDD Front I O connector 2 USB 2 0 ports 1 Headphone out 1 Mic IN Rear I O connector 1 PS 2 keyboard port 1 PS 2 mouse port 1 RJ45 1 Parallel Port 1 Serial Port 2 USB ports 1 VGA Monitor Connector depends on MB candidate 1 Line in 1...

Page 113: ...Service Reference Guide d260 377977 AA1 F 13 Block Diagram ...

Page 114: ...s front panel consists of the following Label Icon Color Description 1 Optical driver 2 Black USB ports 3 Pink Microphone in port front 4 Lime Speaker out Line out port 5 Floppy drive eject button 6 Power Button 7 HDD LED 8 Power LED 9 HP Logo 10 FDD LED 1 2 3 4 5 6 7 8 9 ...

Page 115: ...ists of the following 1 3 2 4 5 6 q 8 7 9 Label Icon Color Description 1 Power code socket 2 Green PS 2 mouse port 3 Purple PS 2 keyboard port 4 Tear or Turquoise Serial port 5 Burgundy Parallel printer port 6 Gold CRT LCD Monitor port 7 White Network port 8 Pink Microphone in port rear ...

Page 116: ...F 16 377977 AA1 Service Reference Guide d260 9 Light Blue Audio in Line in jack 10 Lime Audio out Line out jack 11 12 White USB Port Label Icon Continued Color Description Continued ...

Page 117: ...e computer cleaning 5 5 pauses D 2 Computer Setup Advanced CMOS Setup 2 4 heading exit without saving 2 7 hardware monitor 2 6 load default settings 2 7 password option 2 7 save settings and exit 2 7 system information 2 4 Standard CMOS Setup 2 4 utilities 2 2 connector pin assignments A 1 to country specific power cord set requirements B 2 D date and time display D 2 device drivers installing upg...

Page 118: ...replacement 6 10 front USB device removal and replacement 6 13 heatsink removal and replacement 6 15 memory removal and replacement 6 6 power supply removal and replacement 6 21 preparation for disassembly 6 1 processor removal and replacement 6 15 system board removal and replacement 6 17 monitor blank screen D 9 blurry video D 10 checking connections D 1 cleaning 5 5 dim characters D 10 pin assi...

Page 119: ...d tools and software 5 6 S safety precautions 5 4 safety precautions cleaning 5 4 save settings and exit Computer Setup 2 7 screws correct size 5 6 serial interface pin assignments A 2 service considerations 5 6 setup software 1 2 windows 1 1 software Computer Setup Utilities 2 1 protecting 2 7 required 5 6 setup 1 2 spare part number wrench tamper resistant 5 6 static electricity 5 2 system board...

Page 120: ...Service Reference Guide d260 377977 AA1 Index 4 Index ...

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