Table of Contents
Advertisement
service reference guide
HP Compaq dx2710 MT/dx2718 MT/dx2710 SFF
Business PCs
1st Edition
This 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
Advertisement
Table of Contents
Related Manuals for HP HP COMPAQ DX2710 MT
Summary of Contents for HP HP COMPAQ DX2710 MT
- Page 1 HP Compaq dx2710 MT/dx2718 MT/dx2710 SFF Business PCs 1st Edition This 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.
- 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 Intel is a trademark of Intel Corporation in the U.S. and other countries. The only warranties for HP products and services are set forth in the express warranty statements accompanying 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.
-
Page 4: Table Of Contents
HP Software ........ - Page 5 Contents 5 Identifying the Chassis, Routine Care, and Disassembly Preparation Chassis Designations ............5–1 5.1.1 Microtower (MT)/Small Form Factor (SFF) .
- Page 6 Front I/O Panel Housing Assembly - MT chassis ....... . 6–28 6.10 System Fan .
-
Page 7: Installing The Operating System
To install optional hardware devices after the OS installation is completed, you must install the device drivers for the device you are installing. The I386 directory and its subdirectories provide the HP- or Compaq-specific integration of the operating system for the computer model and include device drivers supported by the operating system. -
Page 8: Converting To Ntfs (Associated With Windows Os)
English and selected other languages, in one of these ways: ■ www.hp.com HP web site at ■ Restore Plus! CD, which is supplied with many Compaq models ✎ Additional HP software may be required in certain situations. 1–2 483941-001 Service Reference Guide... -
Page 9: Setup Utilities And Diagnostics Features
Establish and manage energy-saving timeouts. ✎ All features identified in this chapter may not be available on all HP products. 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: ■... -
Page 10: Computer Setup Utilities
Setup Utilities and Diagnostics Features 2.2 Computer Setup Utilities Use Computer Setup Utilities (F10) to: ■ Modify or restore factory default settings. ■ Set the system date and time. ■ Set, view, change, or verify the system configuration including settings for processor, graphics, memory, audio, storage, communications, and input devices. - Page 11 3. A choice of headings appears in the Computer Setup Utilities menu: System Information, Standard CMOS Features, Advanced BIOS Features, Advanced Chipset Features, Integrated Peripherals, Power Management Setup, PnP/PCI Configurations, Hardware Monitor Setup, Load Defaults Setting, Set Supervisor Password, Set User Password, Save Setting and Exit, and Exit Without Saving.
-
Page 12: Computer Setup Menu
Setup Utilities and Diagnostics Features 2.2.2 Computer Setup Menu Computer Setup Heading Option System System S/N Information Product Name OwnerShip TAG [Press Enter] OwnerShip TAG BIOS Version BIOS Release Date System Chipset Type Processor Type Processor Speed CPU ID Cache Size Memory DIMM1 Memory DIMM2 Memory DIMM3... - Page 13 Computer Setup (Continued) Heading Option Standard SATA Port 0 CMOS SATA Port 1 Features SATA Port 2 (continued) SATA Port 3 Legacy Mode Support (for SATA 0/1 ONLY) Halt On Advanced F11 Prompt BIOS Features Quick Power On Self Test POST Delay Time (seconds) ✎...
- Page 14 Setup Utilities and Diagnostics Features Computer Setup (Continued) Heading Option Advanced Removeable Device Priority BIOS Features (continued) Hard Disk Boot Priority CD-ROM Boot Priority Network Boot Priority First Boot Device Second Boot Device Third Boot Device Fourth Boot Device Boot Other Device Load Boot Menu Selectable APIC Mode Hyper-Threading Technology...
- Page 15 Computer Setup (Continued) Heading Option Advanced PEG/Onchip VGA Control Chipset (VGA Setting) Features On-Chip Frame Buffer Size (VGA Setting DVMT Mode (VGA Setting) DVMT/FIXED Memory Size (VGA Setting) Disable MCHBAR MMIO Init Display First (VGA Setting) ✎ Support for specific Computer Setup options may vary depending on the hardware configuration.
- Page 16 Setup Utilities and Diagnostics Features Computer Setup (Continued) Heading Option Integrated USB Controller Peripherals USB Legacy Support HD Audio Onboard LAN Onboard LAN Boot ROM Onboard FDC Controller Serial Port 1/2 Parallel port Parallel Port Mode ECP Mode Use DMA ✎...
- Page 17 Computer Setup (Continued) Heading Option Power HPET Support Management Setup HPET Mode WDRT Support WDRT Run/Stop WDRT Count ACPI Function ACPI Suspend Type Restore On AC/Power Loss PCI-E Wake on PME Resume On PME Wake On Ring Resume On Alarm Date (of Month) Alarm Time (hh:mm:ss) Alarm PnP/PCI...
- Page 18 Setup Utilities and Diagnostics Features Computer Setup (Continued) Heading Option PnP/PCI Resources Controlled By Configurations (continued) IRQ Resources • IRQ-3 assigned to • IRQ-4 assigned to • IRQ-5 assigned to • IRQ-7 assigned to • IRQ-9 assigned to • IRQ-10 assigned to •...
-
Page 19: Recovering The Configuration Settings
2. In Windows, click Start > Run, type CMD, and click OK. to open a DOS command window. 3. Type N:\folder\BIOS.exe LOAD:ABC001.DAT (where N is the drive letter of the removable storage) to load the custom CMOS setting onto the target system. Service Reference Guide Setup Utilities and Diagnostics Features http://www.hp.com 483941-001 under the Software 2–11... -
Page 20: Desktop Management
Support for specific features described in this guide may vary by model or software version. Initial Configuration and Deployment HP computers come with a preinstalled system software image. After a brief software “unbundling” process, the computer is ready to be used. -
Page 21: Dual-State Power Button
Desktop Management 1. Remove all removable media and turn off the power. 2. Insert a diskette, CD, or USB flash device containing the desired BIOS image file in the root directory. The media must be formatted using the FAT12, FAT16, or FAT32 file system. 3. -
Page 22: World Wide Web Site
HP has made the task of locating, accessing, evaluating, and installing the latest support software easier. You can download the software from the latest device drivers, utilities, and flashable ROM image needed to run the latest Microsoft Windows operating system on your HP computer. -
Page 23: Entering A User Password
Desktop Management 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 Enter Setup. Press ✎ If you do not press the again, and press the If you are using a PS/2 keyboard, you may see a Keyboard Error message—disregard it. - Page 24 To change the supervisor password, as soon as the computer is turned on, press and hold the key until you enter Computer Setup. Press Enter to bypass the title screen, if necessary. ✎ If you do not press the again, and press the If you are using a PS/2 keyboard, you may see a Keyboard Error message—disregard it.
-
Page 25: Surge-Tolerant Power Supply
Desktop Management National Keyboard Delimiter Characters Each keyboard is designed to meet country-specific requirements. The syntax and keys that you use for changing or deleting your password depend on the keyboard that came with your computer. National Keyboard Delimiter Characters Arabic Belgian BHCSY*... -
Page 26: Serial Ata Drive Guidelines And Features
Serial ATA Drive Guidelines and Features ✎ Serial ATA = SATA HP does not support the use of a PATA (IDE) hard drive / optical drive on these models of computer. SATA 3.0 Hard Drives Serial ATA Hard Drive Characteristics... -
Page 27: Sata Hard Drive Cables
4.2 SATA Hard Drive Cables 4.2.1 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. SATA data cables are susceptible to damage if overflexed. Never crease a SATA data cable and never bend it tighter than a 30 mm (1.18 in) radius. -
Page 28: Sata Smart Drives
4.3 SATA 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 prediction and failure indication parameters such as reallocated sector count, spin retry count, and calibration retry count. -
Page 29: Identifying The Chassis, Routine Care, And Disassembly Preparation
Identifying the Chassis, Routine Care, and This chapter provides general service information for the computer. Adherence 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. - Page 30 Identifying the Chassis, Routine Care, and Disassembly Preparation dx2718 MT dx2710SFF Note: dx2718 MT is only for China Market. 5–2 483941-001 Service Reference Guide...
-
Page 31: Electrostatic Discharge Information
5.2 Electrostatic Discharge Information A sudden discharge of static electricity from your finger or other conductor can destroy static- sensitive devices or microcircuitry. Often the spark is neither felt nor heard, but damage occurs. An electronic device exposed to electrostatic discharge (ESD) may not appear to be affected at all and can work perfectly throughout a normal cycle. -
Page 32: Personal Grounding Methods And Equipment
Identifying the Chassis, Routine Care, and Disassembly Preparation 5.2.3 Personal Grounding Methods and Equipment Use the following equipment to prevent static electricity damage to equipment: ■ Wrist straps are flexible straps with a maximum of one-megohm ± 10% resistance in the ground cords. -
Page 33: Routine Care
■ Static awareness labels ■ Wrist straps and footwear straps providing one-megohm +/- 10% resistance ■ Material handling packages ■ Conductive plastic bags ■ Conductive plastic tubes ■ Conductive tote boxes ■ Opaque shielding bags ■ Transparent metallized shielding bags ■... -
Page 34: Cleaning The Keyboard
Identifying the Chassis, Routine Care, and Disassembly Preparation 5.3.3 Cleaning the Keyboard Follow all safety precautions in cleaning the keyboard. To clean the tops of the keys or the keyboard body, follow the procedures described in 5.3.2, “Cleaning the Computer Case.” When cleaning debris from under the keys, review all rules in Safety Precautions,”... -
Page 35: Service Considerations
If an incorrect screw is used during the reassembly process, it can damage the unit. HP strongly recommends that all screws removed during disassembly be kept with the part that was removed, then returned to their proper locations. -
Page 36: Cables And Connectors
Identifying the Chassis, Routine Care, and Disassembly Preparation 5.4.3 Cables and Connectors Most cables used throughout the unit are flat, flexible cables. These cables must be handled with care to avoid damage. Apply only the tension required to seat or unseat the cables during insertion or removal from the connector. -
Page 37: Preparation For Disassembly
Removal and Replacement Procedures— Microtower (MT)/Small Form Factor (SFF) Adherence to the procedures and precautions described in this chapter is essential for proper service. After completing all necessary removal and replacement procedures, run the Diagnostics utility to verify that all components operate properly. ✎... -
Page 38: Remove The Computer Access Panel And Front Bezel (Mt Chassis And Sff Chassis)
Removal and Replacement Procedures— Microtower (MT)/Small Form Factor (SFF) Chassis 6.2 Remove the computer access panel and front bezel MT chassis and SFF chassis 6.2.1 Access Panel (MT Chassis) 1. Prepare the computer for disassembly 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. -
Page 39: Front Bezel (Mt Chassis)
Removal and Replacement Procedures— Microtower (MT)/Small Form Factor (SFF) Chassis 6.2.2 Front Bezel (MT Chassis) 1. Prepare the computer for disassembly 2. Remove the access panel 3. Press outward on the three latches on the right side of the bezel 1, then rotate the right side of the bezel off the chassis 2 followed by the left side. -
Page 40: Removing The Computer Access Panel And Front Bezel (Sff Chassis)
Removal and Replacement Procedures— Microtower (MT)/Small Form Factor (SFF) Chassis 6.2.3 Removing the Computer Access Panel and Front Bezel (SFF chassis) To remove the computer access panel: 1. Turn off the computer properly through the operating system, then turn off any external devices. - Page 41 Removal and Replacement Procedures— Microtower (MT)/Small Form Factor (SFF) Chassis 4. To remove the front bezel, gently pull up all three tabs 1 on the top of the bezel, then pull the bezel 2 away from the chassis. Removing the Front Bezel To reassemble the computer, reverse the above procedure.
-
Page 42: Using The Small Form Factor Computer In A Minitower Configuration
6.3 Using the Small Form Factor Computer in a Minitower Configuration The Small Form Factor computer can be used in either a minitower or desktop configuration. To use it in the minitower configuration, you must purchase a tower stand from HP (part number 316593-001). Ä... -
Page 43: Front Drive Bezels
Removal and Replacement Procedures— Microtower (MT)/Small Form Factor (SFF) Chassis 6.4 Front Drive Bezels 1. Prepare the computer for disassembly 2. Remove the access panel and the front bezel - MT Chassis)” Section 6.2.2, “Front Bezel (MT 3. Remove the access panel and the front bezel -SFF Access Panel and Front Bezel (SFF 6.4.1 Removing a 5.25"... -
Page 44: Memory
Removal and Replacement Procedures— Microtower (MT)/Small Form Factor (SFF) Chassis 6.5 Memory For more information on the memory in this series of computers, refer to 6.5.1 Installing Memory Modules/MT chassis Ä 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. -
Page 45: Installing Ddr2-Sdram Dimms - Sff Chassis
Removal and Replacement Procedures— Microtower (MT)/Small Form Factor (SFF) Chassis ✎ 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. - Page 46 Removal and Replacement Procedures— Microtower (MT)/Small Form Factor (SFF) Chassis 5. Locate the memory module sockets. Å WARNING: To reduce risk of personal injury from hot surfaces, allow the internal system components to cool before touching. 6. Open both latches of the memory module socket 1, then insert the memory module into the socket 2.
-
Page 47: Expansion Cards
Removal and Replacement Procedures— Microtower (MT)/Small Form Factor (SFF) Chassis 6.6 Expansion Cards 6.6.1 Expansion Slot Cover Lock 1. Prepare the computer for disassembly 2. Remove the right access panel bezel (MT chassis and SFF 3. Lay the computer down on its side to make it easier to work on. 4. - Page 48 Removal and Replacement Procedures— Microtower (MT)/Small Form Factor (SFF) Chassis To install an expansion card in an empty slot continue with step 9. 9. With the card aligned so the mounting bracket will fit firmly against the computer backwall 1, slide the expansion card into the expansion socket and press it firmly into place 2.
-
Page 49: Installing An Expansion Card
Removal and Replacement Procedures— Microtower (MT)/Small Form Factor (SFF) Chassis 6.6.3 Installing an Expansion Card The computer has four PCI expansion slots. Each slot can accommodate a half-height PCI or PCI Express expansion card up to 6.6 inches (16.764 cm) in length. ✎... - Page 50 Removal and Replacement Procedures— Microtower (MT)/Small Form Factor (SFF) Chassis 7. Hold the card just above the expansion slot on the system board then move the card toward the rear of the chassis so that the bottom of the bracket on the card slides into the small slot on the chassis.
-
Page 51: Removing An Expansion Card
Removal and Replacement Procedures— Microtower (MT)/Small Form Factor (SFF) Chassis 6.6.4 Removing an Expansion Card To remove 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. -
Page 52: Cable Management
Removal and Replacement Procedures— Microtower (MT)/Small Form Factor (SFF) Chassis 6.7 Cable Management Always follow good cable management practices when working inside the computer. ■ Keep cables away from major heat sources like the heatsink. ■ Do not jam cables on top of expansion cards or memory modules.Printed circuit cards like these are not designed to take excessive pressure on them. -
Page 53: Drives
Removal and Replacement Procedures— Microtower (MT)/Small Form Factor (SFF) Chassis 6.8 Drives The computer supports up to four drives that may be installed in various configurations. This Section describes the procedure for replacing or upgrading the storage drives. A Torx T-15 screwdriver is needed to remove and install the guide screws on a drive. -
Page 54: Removing A Drive
Removal and Replacement Procedures— Microtower (MT)/Small Form Factor (SFF) Chassis Item Description First 5.25-inch, half-height bays for optional drives Second 5.25-inch, half-height bays for optional drives One standard 3.5-inch, one-third height bays (1.44-MB diskette drive shown) One internal 3.5-inch, one-third height bays for hard drives An internal 3.5-inch bracket kit for second hard drives is available as option. - Page 55 Removal and Replacement Procedures— Microtower (MT)/Small Form Factor (SFF) 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.
- Page 56 Removal and Replacement 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 6–20 483941-001...
-
Page 57: Locating Drive Positions - Sff Chassis
Removal and Replacement Procedures— Microtower (MT)/Small Form Factor (SFF) Chassis 9. Remove the four screws that secure the hard disk drive to the hard disk drive cage 1, then slide the hard disk drive out of the hard disk drive cage 2. Removing the Hard Drive 10. -
Page 58: Removing An Optical Drive Or Diskette Drive - Sff Chassis
Removal and Replacement Procedures— Microtower (MT)/Small Form Factor (SFF) Chassis 1 3.5-inch drive bay (1.44-MB diskette drive shown)* 2 5.25-inch drive bay for optional drives 3 3.5-inch, internal, standard hard drive bay *If the computer has a 1.44-MB diskette drive installed, it will be configured with a diskette drive bezel as shown in the illustration. -
Page 59: Installing An Optional Optical Drive - Sff Chassis
Removal and Replacement Procedures— Microtower (MT)/Small Form Factor (SFF) Chassis Removing the Optical Drive or Diskette Drive To replace the drive, reverse the removal procedures. ✎ When replacing the drive, transfer the four screws from the old drive to the new one. The screws take the place of drive rails. - Page 60 Removal and Replacement Procedures— Microtower (MT)/Small Form 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 ✎...
- Page 61 Removal and Replacement Procedures— Microtower (MT)/Small Form Factor (SFF) Chassis 4. Raise the Easy Access drive bay to the upright position and connect the flat ribbon cable and audio cable to the system board. Connecting the Flat Ribbon Cable and Audio Cable 5.
-
Page 62: Upgrading The Hard Drive - Sff Chassis
Removal and Replacement Procedures— Microtower (MT)/Small Form Factor (SFF) Chassis 6.8.6 Upgrading the Hard Drive - SFF chassis Removing and Replacing the Hard Drive ✎ Only a serial advanced technology attachment (SATA) hard drive can be installed on this computer. ✎... - Page 63 Removal and Replacement Procedures— Microtower (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.
-
Page 64: Front I/O Panel Housing Assembly - Mt Chassis
Removal and Replacement Procedures— Microtower (MT)/Small Form Factor (SFF) Chassis 6.9 Front I/O Panel Housing Assembly - MT chassis 1. Prepare the computer for disassembly 2. Remove the access panel and rotate the computer so the system board is parallel to the table to make it easier to work on 3. -
Page 65: System Fan
Removal and Replacement Procedures— Microtower (MT)/Small Form Factor (SFF) Chassis 6.10 System Fan 1. Prepare the computer for disassembly 2. Remove the access panel (MT chassis and SFF 3. Disconnect the cable that connects the system fan to the system board. 4. -
Page 66: Heatsink - Mt Chassis
Removal and Replacement Procedures— Microtower (MT)/Small Form Factor (SFF) Chassis 6.11 Heatsink - MT chassis 1. Prepare the computer for disassembly 2. Remove the access panel (MT chassis and SFF 3. Lay the computer down on its side to make it easier to work on. 4. -
Page 67: Processor
Removal and Replacement Procedures— Microtower (MT)/Small Form Factor (SFF) Chassis 6.12 Processor 1. Prepare the computer for disassembly 2. Remove the access panel cover bezel (MT chassis and SFF 3. Disconnect the heatsink control cable from the system board and remove the heatsink. Section 6.11, “Heatsink - MT chassis”... - Page 68 After installing a new processor onto the system board, always update the system ROM to ensure that the latest version of the BIOS is being used on the computer. The latest system ROMPaq can be found on the Web at: http:\\h18000.www1.hp.com/support/files. 6–32...
-
Page 69: System Board
Removal and Replacement Procedures— Microtower (MT)/Small Form Factor (SFF) Chassis 6.13 System Board 1. Prepare the computer for disassembly 2. Remove the access panel (MT chassis and SFF 3. Remove the front bezel 4. Disconnect the power, and data cables from the back of all installed drives. 5. -
Page 70: Battery
Batteries, battery packs, and accumulators should not be disposed of together with the general household waste. In order to forward them to recycling or proper disposal, please use the public collection system or return them to HP/Compaq, their authorized partners, or their agents. Ä... -
Page 71: Battery Holder
Removal and Replacement Procedures— Microtower (MT)/Small Form Factor (SFF) Chassis 6.14.1 Battery Holder 1. To release the battery from its holder, squeeze the metal clamp that extends above one edge of the battery. When the battery pops up, lift it out 1. 2. -
Page 72: Power Supply
Removal and Replacement Procedures— Microtower (MT)/Small Form Factor (SFF) Chassis 6.15 Power Supply Å WARNING: Voltage is always present on the system board when the computer is plugged into an active AC outlet. To avoid possible personal injury and damage to the equipment the power cord should be disconnected from the computer and/or the AC outlet before opening the computer. -
Page 73: Connector Pin Assignments
This appendix contains the pin assignments for many computer and workstation connectors. Some of these connectors may not be used on the product being serviced. Enhanced Keyboard Connector and Icon Mouse Connector and Icon Ethernet RJ-45 Connector and Icon Service Reference Guide Connector Pin Assignments Signal Data... -
Page 74: Parallel Interface
Connector Pin Assignments Parallel Interface Signal Strobe Data Bit 0 Data Bit 1 Data Bit 2 Data Bit 3 Data Bit 4 Serial Interface, Powered and Non-Powered Connector and Icon Connector and Icon Microphone Connector and Icon (1/8" miniphone) 1 2 3 1 2 3 A–2 Connector and Icon... - Page 75 Headphone Connector and Icon (1/8" miniphone) 1 2 3 Line-In Audio Connector and Icon (1/8" miniphone) 1 2 3 Line-Out Audio Connector and Icon (1/8" miniphone) 1 2 3 Monitor Signal Red Analog Green Analog Blue Analog Not used Ground Service Reference Guide Signal 1 (Tip)
- Page 76 Connector Pin Assignments 24-Pin Power Signal +3.3 V +3.3 V +5 V +5 V 13-1 4-Pin Power (for CPU) Connector and Icon A–4 Connector Signal Signal -12 V +5 VSB +12 V PSON +12 V +3.3 V +3.3 V +3.3 VS Signal +12 V +12 V...
-
Page 77: General Requirements
Power cord sets for use in other countries must meet the requirements of the country where you use the computer. For more information on power cord set requirements, contact your authorized HP dealer, reseller, or service provider. General Requirements The requirements listed below are applicable to all countries: 1. -
Page 78: Post Error Messages
An error message results if the Power-On Self-Test (POST) encounters a problem. This test runs when the system is turned on, checking assemblies within the computer and reporting any errors found. Not all computers use all of the codes listed. Recommended Actions are to be taken in incremental steps. - Page 79 POST Error Messages POST Error Messages Screen Message Keyboard error or no keyboard present Memory Test: Memory test fail Override enabled - Defaults loaded C–2 Probable Cause Cannot initialize the Make sure the keyboard is attached keyboard. correctly and no keys are pressed during POST.
- Page 80 POST Error Messages Screen Message Error: Non-System disk or disk error Replace and press any key when ready Warning: CPU Fan has failed. For Thermal Protection, System will be shut down. Please contact Service Centre. Warning: System Fan has failed. For Thermal Protection, System will be shut down.
-
Page 81: Preliminary Checklist
Troubleshooting Without Diagnostics Preliminary Checklist This section describes some simple, preliminary tests and guidelines for troubleshooting the computer without using the diagnostics. ■ Are the computer and monitor connected to a working electrical outlet? ■ Is the voltage select switch is set to the appropriate voltage for your region (115V or 230V)? ■... -
Page 82: Solving General Problems
You may be able to easily resolve the minor problems described in this section. If a problem persists and you are unable to resolve it yourself or if you feel uncomfortable about performing the operation, contact your HP authorized reseller or service provider. Problem Computer will not turn on. - Page 83 Problem Computer date and time display is incorrect. Cursor will not move using the arrow keys on the keypad. Poor performance is experienced. Poor performance is experienced (continued). Service Reference Guide Cause RTC (real-time clock) First, reset the Date and Time battery may need to be Properties in the Control Panel replaced.
- Page 84 Troubleshooting Without Diagnostics Problem Blank screen (no video). Blank screen (no video) (continued). Ä CAUTION: 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 data.
-
Page 85: Solving Hardware Installation Problems
Solving Hardware Installation Problems You may need to reconfigure the computer when you add or remove hardware, such as an additional drive or expansion card. If you install a plug and play device, Windows XP Home/ Professional will automatically recognize the device and configure the computer. If you install a non–plug and play device, you must reconfigure the computer after completing installation of the new hardware. -
Page 86: Interpreting Diagnostic Lights And Audible Codes
Troubleshooting Without Diagnostics Interpreting Diagnostic Lights and Audible Codes This section covers the front panel LED codes as well as the audible codes that may occur before or during POST that do not necessarily have an error code or text message associated with them. ✎... -
Page 87: Solving Display Problems
Solving Display Problems Solving Display Problems Problem Blank screen (no video). Ä CAUTION: 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. Service Reference Guide Cause Solution... - Page 88 Troubleshooting Without Diagnostics Solving Display Problems (Continued) Problem Power LED flashes Red six times, once every second, followed by a two second pause, and the computer beeps six times. Monitor does not function properly when used with energy saver features. Dim characters.
- Page 89 Solving Display Problems (Continued) Problem High pitched noise coming from inside a flat panel monitor. Fuzzy focus; streaking, ghosting, or shadowing effects; horizontal scrolling lines; faint vertical bars; or unable to center the picture on the screen. (flat panel monitors using an analog VGA input connection only) Certain typed symbols do...
-
Page 90: Solving Audio Problems
Troubleshooting Without Diagnostics Solving Audio Problems Solving Audio Problems Problem Sound does not come out of the speaker or headphones. Ä CAUTION: 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. - Page 91 Solving Audio Problems (Continued) Problem Noise or no sound comes out of the speakers or headphones. ✎ If you 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.
-
Page 92: Solving Printer Problems
Troubleshooting Without Diagnostics Solving Printer Problems Solving Printer Problems Problem Printer will not print. Printer will not turn on. Printer prints garbled information. Printer is offline. D–12 Cause Solution Printer is not turned on Turn the printer on and make sure it and online. -
Page 93: Solving Keyboard And Mouse Problems
Solving Keyboard and Mouse Problems Solving Keyboard Problems Problem Keyboard commands and typing are not recognized by the computer. Ä CAUTION: 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. -
Page 94: Solving Network Problems
Troubleshooting Without Diagnostics Solving Network Problems These guidelines do not discuss the process of debugging the network cabling. Solving Network Problems Problem Wake-on-LAN feature is not functioning. Network driver does not detect network controller. Network status link light does not turn on or it never flashes. - Page 95 Solving Network Problems (Continued) Problem Diagnostics passes, but the computer does not communicate with the network. (continued) Network controller stopped working when an expansion board was added to the computer. Network controller stops working without apparent cause. New network card will not boot.
-
Page 96: Solving Memory Problems
Troubleshooting Without Diagnostics Solving Memory Problems Ä CAUTION: For those systems that support ECC memory, HP does not support mixing ECC and non-ECC memory. Otherwise, the system will not boot the operating system. Solving Memory Problems Problem System will not boot or... -
Page 97: Solving Processor Problems
Solving Processor Problems Solving Processor Problems Problem Poor performance is experienced. Service Reference Guide Cause Solution 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). - Page 98 Troubleshooting Without Diagnostics Solving CD-ROM and DVD Problems Solving CD-ROM and DVD Problems Problem System will not boot from CD-ROM or DVD drive. CD-ROM or DVD devices are not detected or driver is not loaded. Movie will not play in the DVD drive.
-
Page 99: Solving Drive Key Problems
Solving CD-ROM and DVD Problems (Continued) Problem Recording audio CDs is difficult or impossible. Solving Drive Key Problems Solving DiskOnKey Problems Problem Drive Key is not seen as a drive letter in Windows XP. The computer boots to DOS after making a bootable Drive Key. - Page 100 Troubleshooting Without Diagnostics Solving Internet Access Problems (Continued) Problem Unable to connect to the Internet. (continued) Cannot automatically launch Internet programs. D–20 Cause Solution Cable/DSL service is Try connecting to the Internet at a not available or has later time or contact your ISP. (If the been interrupted due to cable/DSL service is connected, the bad weather.
- Page 101 Solving Internet Access Problems (Continued) Problem Internet takes too long to download Web sites. Service Reference Guide Cause Solution Modem is not set up Verify that the correct modem speed properly. and COM port are selected. For Windows XP 1. Select Start > Control Panel.
-
Page 102: Diagnostic Front Panel Leds And Audible Codes
1. Reseat DIMMs. Power on the system. 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. 1. Reseat the graphics card. Power on the system. 2. Replace the graphics card. - Page 103 Diagnostic Front Panel LEDs and Audible Codes (Continued) Activity Red Power LED flashes 8 times, one every second, followed by a 2 second pause. Also 8 simultaneous beeps will be heard. Inclining beeps when password entered. Declining beeps when password entered.
- Page 104 Troubleshooting Without Diagnostics Diagnostic Front Panel LEDs and Audible Codes (Continued) Activity System does not power on and LEDs are not flashing. D–24 Beeps Possible Cause Recommended Action None System unable to Press and hold the power button for power on. less than 4 seconds.
-
Page 105: Restoring The Software
Diagnostic Front Panel LEDs and Audible Codes (Continued) Activity System gives an error message stating that “Error 912 - computer cover or side panel has been removed. Make sure that any system access was authorized and press F1 to continue”. Restoring the Software The Windows operating system and software can be restored to the original state that they were when you purchased the computer by using the Restore Plus! CD. -
Page 106: Contacting Customer Support
Troubleshooting Without Diagnostics Contacting Customer Support For help and service, contact an authorized reseller or dealer. To locate a reseller or dealer near www.hp.com you, visit ✎ 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. - Page 107 Computers equipped with Intel-based processors come with double data rate synchronous dynamic random access memory (DDR2) dual inline memory modules (DIMMs). The memory sockets on the system board can be populated with up to four industry-standard DIMMs. These memory module slots are populated with at least one preinstalled memory module.