HP Compaq dx2710 Microtower Service & Reference Manual Download Page 8 | Manualshive

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483941-001

Service Reference Guide

Installing the Operating System

1.2 Converting to NTFS (Associated with Windows OS)

1.2.1 Windows XP Home/XP Professional(Vista downgrade)/

Vista Basic/Vista Business 32

The Windows XP Home/XP Professional (Vista downgrade)/Vista Basic/Vista Business 32
operating systems handle only NTFS-formatted drives. When installed, XP or Vista will, if
necessary, automatically convert a FAT32 drive to NTFS.

1.3 HP

Software

The Microsoft Windows operating system (Windows XP Home or XP Professional(Vista
downgrade) or Vista Basic or Vista Business 32) is preinstalled on the computer and will be
configured automatically the first time the computer is turned on. All other software is 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

www.hp.com

■

Restore Plus!

CD, which is supplied with many Compaq models

✎

Additional HP software may be required in certain situations.

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Summary of Contents for Compaq dx2710 Microtower

Page 1: ...s document provides information on the removal and replacement of all parts as well as information on troubleshooting Desktop Management setup utilities SATA drives safety routine care connector pin assignments POST error messages and diagnostic indicator lights Document Part Number 483941 001 ...

Page 2: ...Service Reference Guide HP Compaq dx2710 MT dx2718 MT dx2710 SFF Business PCs 1st Edition Document Part Number 483941 001 February 2008 ...

Page 3: ...ty 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 Hewlett Packard Company ÅWARNING Text set off in this manner indicates that failure to follow directions c...

Page 4: ...enu 2 4 2 3 Recovering the Configuration Settings 2 11 2 3 1 Backing up the CMOS 2 11 2 3 2 Restoring the CMOS 2 11 3 Desktop Management 3 1 Initial Configuration and Deployment 3 1 3 2 ROM Flash 3 1 3 2 1 FailSafe Boot Block ROM 3 1 3 2 2 Dual State Power Button 3 2 3 2 3 Power Management 3 2 3 2 4 World Wide Web Site 3 3 3 3 Security 3 3 3 3 1 Password Security 3 3 3 3 2 Establishing a Superviso...

Page 5: ...wer MT Small Form Factor SFF Chassis 6 1 Preparation for Disassembly 6 1 6 2 Remove the computer access panel and front bezel MT chassis and SFF chassis 6 2 6 2 1 Access Panel MT Chassis 6 2 6 2 2 Front Bezel MT Chassis 6 3 6 2 3 Removing the Computer Access Panel and Front Bezel SFF chassis 6 4 6 3 Using the Small Form Factor Computer in a Minitower Configuration 6 6 6 4 Front Drive Bezels 6 7 6 ...

Page 6: ...s 6 28 6 10 System Fan 6 29 6 11 Heatsink MT chassis 6 30 6 12 Processor 6 31 6 13 System Board 6 33 6 14 Battery 6 34 6 14 1Battery Holder 6 35 6 15 Power Supply 6 36 A Connector Pin Assignments B Power Cord Set Requirements C POST Error Messages D Troubleshooting Without Diagnostics E Memory ...

Page 7: ...al minutes depending on the system hardware configuration Read and follow the instructions that appear on the screen to complete the installation During this process do not turn off your computer unless you are directed to do so 1 1 1 Installing or Upgrading Device Drivers Only applicable for Windows OS To install optional hardware devices after the OS installation is completed you must install th...

Page 8: ...to NTFS 1 3 HP Software The Microsoft Windows operating system Windows XP Home or XP Professional Vista downgrade or Vista Basic or Vista Business 32 is preinstalled on the computer and will be configured automatically the first time the computer is turned on All other software is user installed Certain drivers and utilities are available only in selected languages You can obtain the latest versio...

Page 9: ...nd 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 modules Diskette drives ...

Page 10: ...wer on Establish a supervisor password that controls access to Computer Setup F10 Utility and the settings described in this section 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 tests on a specified IDE A...

Page 11: ...te heading Use the arrow up and down keys to select the option you want then press Enter To return to the Computer Setup Utilities menu press Esc 5 To apply and save changes select Save Setting and Exit If you have made changes that you do not want applied select Exit Without Saving To reset to factory settings select Load Defaults Setting This option will restore the original factory system defau...

Page 12: ...he Size view only Memory DIMM1 view only Memory DIMM2 view only Memory DIMM3 view only Memory DIMM4 view only DDR2 Memory Size view only UUID view only Chassis Serial Number Press Enter When user enter to setup with advanced mode Ctrl A Chassis Serial Number view only Asset TAG Number Press Enter Enter asset tag assigned by the company Asset TAG Number view only Integrated MAC view only Standard C...

Page 13: ...ylinder Head Precomp Landing Zone Sector Legacy Mode Support for SATA 0 1 ONLY Disable Enable Halt On Allows you to set at All Errors No Errors All but Keyboard All but Diskette All but Disk Key Advanced BIOS Features F11 Prompt Allow you to enable or disable this feature Quick Power On Self Test Disables enables the system to skip certain tests while booting Enabling this feature decreases the ti...

Page 14: ...d and third or to disable any of the three Removable Hard Disk CD ROM Network Disabled MS DOS drive lettering assignments may not apply after a non MS DOS operating system has started Boot Other Device Disables enables boot other device Load Boot Menu Selectable Disables enables boot menu selectable APIC Mode Disables enables the APIC mode Modifiable when Hyper Threading Technology is DISABLED Hyp...

Page 15: ...ol is Onchip VGA or Auto 1MB 8MB DVMT Mode VGA Setting Allows you to set DVMT Mode to Fixed DVMT DVMT FIXED Memory Size VGA Setting Allows you to set memory size to Modifiable when PEG Onchip VGA Control is Onchip VGA or Auto 128MB 256MB MAX Disable MCHBAR MMIO Disable enable this feature Init Display First VGA Setting Allows you to set system display priority PCI Slot Onboard Computer Setup Conti...

Page 16: ...s onboard FDC controller Serial Port 1 2 Allows you to select a setting for the onboard serial port Disabled 3F8 IRQ4 2F8 IRQ3 3E8 IRQ4 2E8 IRQ3 Auto Parallel port Allows you to select a setting for the onboard parallel port Disabled 378 IRQ7 278 IRQ5 3BC IRQ7 Parallel Port Mode Allows you to select parallel port mode Standard EPP1 9 SPP ECP EPP1 9 ECP Printer EPP1 7 SPP ECP Mode Use DMA If Parall...

Page 17: ...vior On Off Last State PCI E Wake on PME Disable enable PCI E wake up function Resume On PME Disables enables Resume by PME Wake On Ring Disables enables Resume on Ring Resume On Alarm Disables enables RTC alarm Date of Month Alarm If Resume by Alarm is enabled allows you to select the day of the month for resumption of RTC alarm Time hh mm ss Alarm If Resume by Alarm is enabled allows you to sele...

Page 18: ...ing the interrupt Legacy ISA for devices compliant with the original PC AT bus specification PCI ISA PnP for devices compliant with the Plug and Play standard whether designed for PCI or ISA bus architecture Hardware Monitor Setup CPU Fan Speed view only System Fan Speed view only CPU Fan Fault Detect Disables enables detection of CPU failure during POST SYS Fan Fault Detect Disables enables detec...

Page 19: ...vice a storage device set to emulate a diskette drive and save the diskette or device for possible future use 2 3 1 Backing up the CMOS 1 Make sure the computer to be backed up is turned on Connect the removable storage to the computer 2 In Windows click Start Run type CMD and click OK to open a DOS command window 3 Type N folder BIOS exe SAVE ABC001 DAT where N is the drive letter of the removabl...

Page 20: ...ead only memory By establishing a supervisor password in the Computer Setup F10 utility you can protect the ROM from being unintentionally updated or overwritten This is important to ensure the operating integrity of the computer Should you need or want to upgrade the BIOS you may download the latest BIOS images from the HP driver and support page http www hp com support ÄCAUTION For maximum ROM p...

Page 21: ...ct Control Panel Power Options 2 In the Power Options Properties select the Advanced tab 3 In the Power Button section select the desired power button setting After configuring the power button to function as a suspend button press the power button to put the system in a very low power state suspend Press the button again to quickly bring the system out of suspend to full power status To completel...

Page 22: ...wide setup password can be established to enable the system administrator to log in to all network systems to perform maintenance without having to know the power on password even if one has been established 3 3 2 Establishing a Supervisor Password Using Computer Setup Establishing a supervisor password through Computer Setup prevents reconfiguration of the computer use of the Computer Setup F10 u...

Page 23: ...s you must turn off the computer then turn it on again before you can continue Entering a Supervisor Password If a supervisor password has been established on the computer you will be prompted to enter it each time you run Computer Setup 1 Turn on or restart the computer If you are in Windows click Start Shut Down Restart 2 As soon as the computer is turned on press and hold the F10 key until you ...

Page 24: ...r for information about the alternate delimiter characters The user password and supervisor password may also be changed using the Security options in Computer Setup Deleting a User or Supervisor Password 1 Turn on or restart the computer If you are in Windows click Start Shut Down Restart To delete the supervisor password run Computer Setup 2 To delete the user password go to step 3 To delete the...

Page 25: ...the computer 3 3 4 Surge Tolerant Power Supply An integrated surge tolerant power supply provides greater reliability when the computer is hit with an unpredictable power surge This power supply is rated to withstand a power surge of up to 410 volts within minimum 1 seconds without incurring any system downtime or data loss National Keyboard Delimiter Characters Arabic Greek Russian Belgian Hebrew...

Page 26: ...ives When attaching the SATA cable to the system board always connect the primary hard drive to SATA 0 Serial ATA Hard Drive Characteristics Number of pins conductors in data cable 7 7 Number of pins in power cable 15 Maximum data cable length 39 37 in 100 cm Data interface voltage differential 400 700 mV Drive voltages 3 3 V 5V 12 V Jumpers for configuring drive N A Data transfer rate 80 GB and g...

Page 27: ...rive As shown in the table each cable has 3 grounds and 4 transmit receive pins 4 2 2 SATA Power Cable Pin Number Usage Device Plug Host Plug P1 Ground Ground Ground P2 A Transmit data Receive data P3 A Transmit data Receive data P4 Ground Ground Ground P5 B Receive data Transmit data P6 B Receive data Transmit data P7 Ground Ground Ground P2 and P3 differential signal pair P5 and P6 differential ...

Page 28: ...rd drive may therefore be subdivided into a number of unique drive partitions in order to make use of all of its space Because of the differences in the way that drive sizes are calculated the size reported by the operating system may differ from 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 calcu...

Page 29: ...edures 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 MT Small Form Factor SFF dx2710 MT ...

Page 30: ...5 2 483941 001 Service Reference Guide Identifying the Chassis Routine Care and Disassembly Preparation Note dx2718 MT is only for China Market dx2718 MT dx2710SFF ...

Page 31: ...e a product 5 2 2 Preventing Electrostatic Damage to Equipment 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 Protec...

Page 32: ...face 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 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 whe...

Page 33: ... computer before cleaning the keyboard mouse or air vents 5 Disconnect the keyboard before cleaning it 6 Wear safety glasses equipped with side shields when cleaning the keyboard 5 3 2 Cleaning the Computer Case Follow all safety precautions in Section 5 3 1 General Cleaning Safety Precautions before cleaning the computer To clean the computer case follow the procedures described below To remove l...

Page 34: ...ts Ä 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 key may be done with a swab moistened with isopropyl alcohol and squeezed out Be careful not to wipe away lubricants necessary for proper key functions Use tweezers to remove any fibers or dirt in confined areas ...

Page 35: ...r Diagnostics software Compaq tamper resistant T 15 wrench Smart Cover FailSafe Key PN 166527 001 or Compaq tamper resistant bits Smart Cover FailSafe Key PN 166527 002 5 4 2 Screws The screws used 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 str...

Page 36: ...tective packaging until they are actually mounted in the system unit 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 more...

Page 37: ...m the computer 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 Th...

Page 38: ... Preparation for Disassembly ÄCAUTION Before removing the computer access panel ensure that the computer is turned off and that the power cord is disconnected from the electrical outlet 2 Disconnect the power cord from the computer and from the power source 3 Remove the screw that secures the access panel to the computer chassis 1 4 Slide the access panel back about 10 mm 3 8 inch then lift it awa...

Page 39: ...e right side of the bezel 1 then rotate the right side of the bezel off the chassis 2 followed by the left side 4 Continue to rotate the bezel then push the bezel to the bottom to release the top latches from chassis To reinstall the front bezel reverse the removal procedure 5 Insert the three hooks on the left side of the bezel into the slots on the chassis and rotate the bezel on from left to ri...

Page 40: ... power cord from the power outlet and the computer and disconnect any external devices Ä CAUTION Before removing the computer access panel ensure that the computer is turned off and that the power cord is disconnected from the electrical outlet Lay the computer on its side with the computer access panel facing up before removing the computer access panel and installing hardware 3 Loosen the screw ...

Page 41: ...zel then pull the bezel 2 away from the chassis Removing the Front Bezel To reassemble the computer reverse the above procedure Press down while replacing the access panel Refer to the label on the inside of the access panel for more information To re install the front bezel insert the two bezel bottom tabs then rotate the front bezel forward to snap the three tabs on the top of the bezel in place...

Page 42: ...ower stand from HP part number 316593 001 Ä CAUTION If the computer is in the desktop configuration ensure at least 4 inches 10 2 cm of space on all sides of the computer remains clear and free of obstructions To install the tower stand 1 Rotate the computer into the tower position 1 and align the hole at the base of the computer with the post and thumbscrew in the stand 2 2 Tighten the screw to s...

Page 43: ... be covered by a bezel blank If you add a drive to the option bay you must first remove the bezel blank 1 Turn off the computer properly through the operating system and turn off any external devices 2 Disconnect the power cord from the power outlet and the computer and disconnect any external devices 3 Remove the access panel and front bezel Refer to Section 6 2 Remove the computer access panel a...

Page 44: ...u 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 computer for disassembly Section 6 1 Preparation for Disassembly 2 Remove the access panel Section 6 2 Remove the computer access panel and front bez...

Page 45: ...acts to prevent corrosion and or oxidation resulting from having incompatible metals in contact with each other Ä CAUTION 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 Ä CAUTION When handling a memory module be careful not to...

Page 46: ...DIMM in socket XMM1 and are adding a second DIMM it is recommended that you install an identical DIMM into the XMM2 socket If you are populating all four DIMM sockets use identical DIMMs in each socket Otherwise the computer will not operate in dual channel mode For maximum performance populate the sockets so that the memory capacity of Channel A is equal to the memory capacity of Channel B For ex...

Page 47: ... To remove an expansion card continue with step 1 To install an expansion card in an existing empty slot go to step 9 1 Prepare the computer for disassembly Section 6 1 Preparation for Disassembly 2 Remove the right access panel Section 6 2 Remove the computer access panel and front bezel MT chassis and SFF chassis 3 Lay the computer down on its side to make it easier to work on 4 Remove the slot ...

Page 48: ...mly against the computer backwall 1 slide the expansion card into the expansion socket and press it firmly into place 2 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 10 Reinstall the slot cover lock and its retaining screw 11 Replace the access panel 12 Connect external cables to the installed card...

Page 49: ...pansion slot To install an expansion card 1 Turn off the computer properly through the operating system then turn off any external devices 2 Disconnect the power cord from the power outlet and disconnect any external devices 3 Remove the computer access panel 4 Identify the slot into which you want to insert the expansion card 5 If you are installing an expansion card in a vacant socket remove the...

Page 50: ...ape other components in the chassis when installing an expansion card Installing an Expansion Card 8 Fix the screw to secure the expansion card in place 9 If you are not replacing the old expansion card with a new expansion card install an expansion slot cover to close the open slot Insert the metal slot cover in the open slot then push the expansion slot latch down to secure the slot cover in pla...

Page 51: ...overs by pulling the latch up 5 Carefully rock the card back and forth until the connectors pull free from the socket Pull the expansion card straight up from the socket then away from the inside of the chassis Be sure not to scrape the card against the other components 6 Store the card in anti static packaging 7 If you are not installing a new expansion card install an expansion slot cover to clo...

Page 52: ...the folds on these cables Do not bend any cable sharply A sharp bend can break the internal wires Never bend a SATA data cable tighter than a 30 mm 1 18 in radius Never crease a SATA data cable Do not rely on components like the drive cage power supply or computer cover to push cables down into the chassis Always position the cables to lay properly by themselves When removing the power supply powe...

Page 53: ...storage drives A Torx T 15 screwdriver is needed to remove and install 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 Compaq factory installed files 6 8 1 Loc...

Page 54: ... the back of the drive as indicated in the following illustrations 4 Remove all the screws that secures the drives in the drive bay Slide the drive disk forward and out of the bay Removing the Drives Drive Positions Item Description 1 First 5 25 inch half height bays for optional drives Second 5 25 inch half height bays for optional drives 2 One standard 3 5 inch one third height bays 1 44 MB disk...

Page 55: ...Chassis 5 Removing the Hard Disk remove the two screws that secure the hard disk drive cage to the chassis Removing the Hard disk 6 Push down the latch on the side of the hard disk drive cage 1 then slide the hard disk drive cage away from the bottom of the chassis 2 as shown below Releasing the Hard Drive Cage ...

Page 56: ...acement Procedures Microtower MT Small Form Factor SFF Chassis 7 Lift the hard disk drive cage out of the chassis Removing the Hard Drive Cage 8 Disconnect the power cable 1 and data cable 2 from the back of the hard drive Disconnecting the Hard Drive Cables ...

Page 57: ...disk drive cage 1 then slide the hard disk drive out of the hard disk drive cage 2 Removing the Hard Drive 10 Remove one guide screws Floppy Drive only from the old drive You will need these screws to install a new drive ÅWARNING There may be sharp edges on the insides of the bay opening after the shield has been removed 6 8 3 Locating Drive Positions SFF chassis Desktop Drive Positions ...

Page 58: ...ccess drive bay to the upright position 5 Disconnect the audio signal and drive power cables The other end of the audio cable should remain connected to the audio connector on the system board Only Linux systems will have an audio cable connected to the optical drive 6 Return the Easy Access drive bay to the up position 1 3 5 inch drive bay 1 44 MB diskette drive shown 2 5 25 inch drive bay for op...

Page 59: ...en replacing the drive transfer the four screws from the old drive to the new one The screws take the place of drive rails 6 8 5 Installing an Optional Optical Drive SFF chassis To install an optional optical drive 1 Remove the optical drive if present 2 Install the guide screws as indicated Ä CAUTION Use only 3 16 inch or 5 mm long screws as guide screws Longer screws can damage the internal comp...

Page 60: ...Factor SFF Chassis Installing Guide Screws in the Optical Drive 3 Position the guide screws on the drive into the J slots in the drive bay 1 Then slide the drive toward the rear of the computer 2 Installing the Optical Drive The drive release latch automatically locks in place when installing a drive ...

Page 61: ... to the rear of the optical drive Only Linux systems require an audio cable to be connected to the optical drive 6 Return the Easy Access drive bay to the down position Be sure not to pinch the cables in the chassis when lowering the Easy Access drive bay 7 Replace the front bezel and computer access panel The system automatically recognizes the drive and reconfigures the computer Ä CAUTION When s...

Page 62: ...re removing it so that you can install the data onto the new hard drive The preinstalled 3 5 inch hard drive is located on the right side of the computer To remove and replace the hard drive 1 Turn off the computer properly through the operating system then turn off any external devices 2 Disconnect the power cord from the power outlet and disconnect any external devices 3 Remove the computer acce...

Page 63: ...wer MT Small Form Factor SFF Chassis 6 Press the latch 1 7 Slide the drive to the right of the bay 2 Removing the Hard Drive 8 To install a hard drive reverse the above procedure 9 Connect the power cable 1 and data cable 2 to the hard drive Connecting the Power Cable and Data Cable ...

Page 64: ...nd rotate the computer so the system board is parallel to the table to make it easier to work on Section 6 1 Preparation for Disassembly 3 Disconnect two attaching cables from the system board the power switch LED cable and the front USB cable 4 Remove the two screws 1 that secure the housing to the chassis and then pull the housing 2 away from the chassis To install the housing assembly reverse t...

Page 65: ...n for Disassembly 2 Remove the access panel Section 6 2 Remove the computer access panel and front bezel MT chassis and SFF chassis 3 Disconnect the cable that connects the system fan to the system board 4 Remove the four screws that secure the fan to the chassis and remove the fan To install the fan reverse the removal procedures Note Similar installtion procedure is lying on SFF for System Fan ...

Page 66: ...its side to keep from contaminating the work area with thermal grease When reinstalling an existing heatsink make sure that its bottom has been cleaned with an alcohol wipe and fresh thermal grease has been applied to the top of the processor New heatsinks come from the factory with fresh thermal grease already applied Position the heatsink so that fan wiring is closest to the memory module Check ...

Page 67: ...the processor from the socket 3 ÄCAUTION Do NOT handle the pins in the processor socket These pins are very fragile and handling them could cause irreparable damage Once pins are damaged it may be necessary to replace the system board ÄCAUTION 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 processo...

Page 68: ...the heatsink control cable to the system board ÄCAUTION Heatsink retaining 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 After installing a new processor onto the system board always update the system...

Page 69: ...the power and data cables from the back of all installed drives 5 Disconnect all cables from the system board 6 Remove the heatsink from the system board Section 6 11 Heatsink MT chassis 7 Remove the 6 screws that secure the system board to the chassis 8 Slide the system board towards the front of the chassis then angle the back of the board up to remove it The system board in the computer may loo...

Page 70: ...lace the battery only with the HP Compaq 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 togeth...

Page 71: ...ttery pops up lift it out 1 2 To insert the new battery slide one edge of the replacement battery under the holder s lip with the positive side up 2 Push the other edge down until 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...

Page 72: ...et before opening the computer 1 Prepare the computer for disassembly Section 6 1 Preparation for Disassembly 2 Remove the access panel Section 6 2 Remove the computer access panel and front bezel MT chassis and SFF chassis 3 Disconnect all power cables from the mass storage devices and from the system board 4 Remove the 4 screws 1 that secure the power supply to the chassis 5 Slide the power supp...

Page 73: ...tors 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 74: ...ledge 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 Ground Micro...

Page 75: ...In_Left 2 Ring Audio_In_Right 3 Shield Ground Line Out Audio Connector and Icon 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 Vertic...

Page 76: ...in Signal Pin Signal Pin Signal 1 2 3 4 5 6 7 3 3 V 3 3 V GND 5 V GND 5 V GND 8 9 10 11 12 13 13 1 P G 5 VSB 12 V 12 V 3 3 V 3 3 V 3 3 VS 14 15 16 17 18 19 20 12 V GND PSON GND GND GND NI 21 22 23 24 5 V 5 V 5 V GND 4 Pin Power for CPU Connector and Icon Pin Signal 1 GND 2 GND 3 12 V 4 12 V 24 12 13 1 ...

Page 77: ...rized 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 1 8 m 6 00 feet and a maximum of 3 0 m 9 75 feet 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 cord ...

Page 78: ...he BIOS code may have become corrupt Replace the BIOS CMOS battery failed The CMOS battery is no longer functional Replacement battery CMOS checksum error Defaults loaded Checksum of CMOS is incorrect so the system loads the default equipment configuration A checksum error may indicate that CMOS has become corrupt A weak battery may have caused this error Check the battery and replace if necessary...

Page 79: ... memory areas being tested No action request Memory test fail If POST detects an error during memory testing additional information appears giving specifics about the type and location of the memory error Reseat memory modules Replace memory modules Override enabled Defaults loaded If the system cannot boot using the current CMOS configuration the BIOS can override the current configuration with a...

Page 80: ...eated or installed 3 If fan is plugged in and seated properly but is not spinning then replace processor fan 4 Reseat processor heatsink and verify that the fan assembly is properly attached 5 Contact an authorized reseller or service provider Warning System Fan has failed For Thermal Protection System will be shut down Please contact Service Centre System Fan weak RPM 700 or not turning Display W...

Page 81: ...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 is ...

Page 82: ... cables may not be properly connected Reseat drive data and power supply cables The unit temperature was exceeded The fan may be blocked 1 Unit is in an exceedingly hot environment Let it cool down 2 Ensure that computer air vents are not blocked and the internal fan is running 3 Contact an HP authorized reseller or service provider Computer appears locked up and will not turn off when the power b...

Page 83: ...he Num Lock key can be disabled or enabled in Computer Setup Poor performance is experienced Processor is hot 1 Ensure airflow to the computer is not blocked Leave a 4 inch 10 2 cm clearance on all vented sides of the computer and monitor to permit required airflow 2 Ensure fans are connected and working properly some fans only operate when needed 3 Ensure the processor heatsink is installed prope...

Page 84: ...een blanking utility installed or energy saver features are enabled Press any key or click the mouse button and if set type your password 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 any unsaved d...

Page 85: ... 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 changes A plug and play board may not automatically configure...

Page 86: ...ing POST that do not necessarily have an error code or text message associated with them If you see flashing LEDs on a PS 2 keyboard look for flashing LEDs on the front panel of the computer and refer to the following table to determine the front panel LED codes Recommended actions in the following table are listed in the order in which they should be performed Replace the system board or power su...

Page 87: ...tal scan rate as 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 ...

Page 88: ...not be loaded Install the video drivers included in the upgrade kit Monitor is not capable of displaying requested resolution Change requested resolution The picture is broken up rolls jitters or flashes The monitor connections may be incomplete or 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 monit...

Page 89: ...circuits may be unable to correctly interpret the output synchronization of the graphics card 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 NOTE Use the monitor model number when searching for the SoftPaq Certain typed symbols do not appear correct The font you are using does not su...

Page 90: ... the Control Panel 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 headp...

Page 91: ...ou set digital as 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 application...

Page 92: ... works reload the 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 ...

Page 93: ...n the keypad The Num Lock key may be on Press the Num Lock key The Num Lock light should not be on if you want to use the arrow keys The Num 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 ...

Page 94: ...ly Network driver is not 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 attache...

Page 95: ...e 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 i...

Page 96: ...mory 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 Terminate and Stay Resident p...

Page 97: ...s Solving Processor 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 98: ... not installed Install 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...

Page 99: ...sical drive is 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 set...

Page 100: ...he CAT5 10 100 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 C...

Page 101: ...ick System 3 Click 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 instructi...

Page 102: ...en hood press 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 header Ensure the fan is fully properly seated or installed 3 If fan is plugged in and seated properly but is not spinning then replace processor fan 4 Reseat processor heatsink and verify that the fan assembly is properly attached 5 Contact ...

Page 103: ...based on bad checksum 1 Reflash the system ROM with the latest BIOS image 2 Replace the system board Inclining beeps when password entered Rapid incline Incorrect password entered Enter the correct password Declining beeps when password entered Rapid decline Correct password entered No action required Diagnostic Front Panel LEDs and Audible Codes Continued Activity Beeps Possible Cause Recommended...

Page 104: ...place the system board OR Press and hold the power button for less than 4 seconds If the hard drive LED does not turn green then 1 Check that the unit is plugged into a working AC outlet 2 Open hood and check that the power button harness is properly connected to the system board 3 Check that both power supply cables are properly connected to the system board 4 Check to see if the 5V_aux light on ...

Page 105: ...ystem access was authorized and press F1 to continue Continu ous beepfor 5 seconds The chassis side cover is open or would have been removed after previous power on 1 Make sure that the Chassis side cover is closed if not fix it as directed in the assembling guide 2 Ensure that any system access was authorized check all the hardware ensuring that no hardware has been changed or removed Then enter ...

Page 106: ... or dealer To locate a reseller or dealer near you visit www hp com If you take the computer to an authorized reseller dealer or service provider for service remember to provide the setup and power on passwords if they are set Refer to the number listed in the warranty or in the Worldwide Telephone Numbers Guide on the Library CD for technical assistance ...

Page 107: ...ith up to 4GB of memory configured in a high performing dual channel mode For proper system operation the computer supports DDR2 SDRAM DIMMs The DIMMs must be industry standard 240 pin unbuffered PC2 5300 667MHz or 6400 800MHz MHz compliant 1 8 volt DDR2 SDRAM DIMMs The DDR2 SDRAM DIMMs must also support PC2 5300 667MHz or 6400 800MHz contain the mandatory JEDEC SPD information In addition the com...

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