HP Compaq dx2700 MT Technické informace

service reference guideHP Compaq dx2700 MT/dx2708 MT/dx2700 SFF Business PCs1st EditionThis document provides information on the removal and replacem

2–2 431672-001 Service Reference GuideSetup Utilities and Diagnostics Features2.2 Computer Setup UtilitiesUse Computer Setup Utilities (F10) to: Mo

D–20 431672-001 Service Reference GuideTroubleshooting Without DiagnosticsUnable to connect to the Internet. (continued)Cable/DSL service is not avail

Service Reference Guide 431672-001 D–21Troubleshooting Without DiagnosticsInternet takes too long to download Web sites.Modem is not set up properly.V

D–22 431672-001 Service Reference GuideTroubleshooting Without DiagnosticsDiagnostic Front Panel LEDs and Audible CodesDiagnostic Front Panel LEDs and

Service Reference Guide 431672-001 D–23Troubleshooting Without DiagnosticsRed Power LED flashes 8 times, one every second, followed by a 2 second paus

D–24 431672-001 Service Reference GuideTroubleshooting Without DiagnosticsSystem does not power on and LEDs are not flashing.None System unable to pow

Service Reference Guide 431672-001 D–25Troubleshooting Without DiagnosticsRestoring the SoftwareThe Windows operating system and software can be resto

D–26 431672-001 Service Reference GuideTroubleshooting Without DiagnosticsContacting Customer SupportFor help and service, contact an authorized resel

Service Reference Guide 431672-001 E–1EMemoryComputers equipped with Intel-based processors come with double data rate synchronous dynamic random acce

Service Reference Guide 431672-001 2–3Setup Utilities and Diagnostics Features3. A choice of headings appears in the Computer Setup Utilities menu: Sy

2–4 431672-001 Service Reference GuideSetup Utilities and Diagnostics Features2.2.2 Computer Setup MenuComputer Setup Heading Option DescriptionSystem

Service Reference Guide 431672-001 2–5Setup Utilities and Diagnostics FeaturesStandard CMOS Features(continued)SATA Port 0SATA Port 1SATA Port 2SATA P

2–6 431672-001 Service Reference GuideSetup Utilities and Diagnostics FeaturesAdvanced BIOS Features(continued)Hard Disk Boot Priority Allows you to s

Service Reference Guide 431672-001 2–7Setup Utilities and Diagnostics FeaturesAdvanced Chipset FeaturesPEG/Onchip VGA Control(VGA Setting)Allows you t

2–8 431672-001 Service Reference GuideSetup Utilities and Diagnostics FeaturesIntegrated PeripheralsUSB Controller Disables/enables USB controller.USB

Service Reference Guide 431672-001 2–9Setup Utilities and Diagnostics FeaturesPower Management SetupACPI Function Enables/disables ACPI functions. Cha

2–10 431672-001 Service Reference GuideSetup Utilities and Diagnostics FeaturesPnP/PCI Configurations(continued)IRQ Resources•IRQ-3 assigned to•IRQ-4

Service Reference Guide 431672-001 2–11Setup Utilities and Diagnostics Features2.3 Recovering the Configuration SettingsRecovering the configuration

Service Reference GuideHP Compaq dx2700 MT/dx2708 MT/dx2700 SFF Business PCs1st EditionDocument Part Number: 431672-001September 2006

Service Reference Guide 431672-001 3–13Desktop Management✎Support for specific features described in this guide may vary by model or software version.

3–2 431672-001 Service Reference GuideDesktop Management1. Remove all removable media and turn off the power.2. Insert a diskette, CD, or USB flash de

Service Reference Guide 431672-001 3–3Desktop Management3.2.4 World Wide Web SiteWhen making the transition to new or revised operating systems, it is

3–4 431672-001 Service Reference GuideDesktop Management1. Turn on or restart the computer. If you are in Windows, click Start > Shut Down > Res

Service Reference Guide 431672-001 3–5Desktop ManagementTo change the supervisor password, as soon as the computer is turned on, press and hold the F1

3–6 431672-001 Service Reference GuideDesktop ManagementNational Keyboard Delimiter CharactersEach keyboard is designed to meet country-specific requi

Service Reference Guide 431672-001 4–14Serial ATA Drive Guidelines and Features✎Serial ATA = SATA HP does not support the use of a PATA (IDE) hard dr

4–2 431672-001 Service Reference GuideSerial ATA Drive Guidelines and Features4.2 SATA Hard Drive Cables4.2.1 SATA Data CableAlways use an HP approve

Service Reference Guide 431672-001 4–3Serial ATA Drive Guidelines and Features4.3 SATA SMART DrivesThe Self Monitoring Analysis and Recording Technolo

4–4 431672-001 Service Reference GuideSerial ATA Drive Guidelines and Features4.5.1 Legacy ModeThe Legacy mode is used to access devices attached to a

© Copyright 2006 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice. Microsoft, MS-DOS, Wi

Service Reference Guide 431672-001 5–15Identifying the Chassis, Routine Care, and Disassembly PreparationThis chapter provides general service informa

5–2 431672-001 Service Reference GuideIdentifying the Chassis, Routine Care, and Disassembly PreparationNote: dx2708 MT is only for China Market.dx270

Service Reference Guide 431672-001 5–3Identifying the Chassis, Routine Care, and Disassembly Preparation5.2 Electrostatic Discharge InformationA sudd

5–4 431672-001 Service Reference GuideIdentifying the Chassis, Routine Care, and Disassembly Preparation5.2.3 Personal Grounding Methods and Equipment

Service Reference Guide 431672-001 5–5Identifying the Chassis, Routine Care, and Disassembly Preparation Static awareness labels Wrist straps and fo

5–6 431672-001 Service Reference GuideIdentifying the Chassis, Routine Care, and Disassembly Preparation5.3.3 Cleaning the KeyboardFollow all safety p

Service Reference Guide 431672-001 5–7Identifying the Chassis, Routine Care, and Disassembly Preparation5.4 Service ConsiderationsListed below are som

5–8 431672-001 Service Reference GuideIdentifying the Chassis, Routine Care, and Disassembly Preparation5.4.3 Cables and ConnectorsMost cables used th

Service Reference Guide 431672-001 6–16Removal and Replacement Procedures— Microtower (MT)/Small Form Factor (SFF) ChassisAdherence to the procedures

6–2 431672-001 Service Reference GuideRemoval and Replacement Procedures— Microtower (MT)/Small Form Factor (SFF) Chassis6.2 Remove the computer acce

Service Reference Guide 431672-001 iiiContents1 Installing the Operating System1.1 Microsoft Windows XP/Redflag Linux . . . . . . . . . . . . . . . .

Service Reference Guide 431672-001 6–3Removal and Replacement Procedures— Microtower (MT)/Small Form Factor (SFF) Chassis6.2.2 Front Bezel (MT Chassis

6–4 431672-001 Service Reference GuideRemoval and Replacement Procedures— Microtower (MT)/Small Form Factor (SFF) Chassis6.2.3 Removing the Computer A

Service Reference Guide 431672-001 6–5Removal and Replacement Procedures— Microtower (MT)/Small Form Factor (SFF) Chassis4. To remove the front bezel,

6–6 431672-001 Service Reference GuideRemoval and Replacement Procedures— Microtower (MT)/Small Form Factor (SFF) Chassis6.3 Using the Small Form Fac

Service Reference Guide 431672-001 6–7Removal and Replacement Procedures— Microtower (MT)/Small Form Factor (SFF) Chassis6.4 Front Drive Bezels1. Pre

6–8 431672-001 Service Reference GuideRemoval and Replacement Procedures— Microtower (MT)/Small Form Factor (SFF) Chassis6.5 Memory For more informati

Service Reference Guide 431672-001 6–9Removal and Replacement Procedures— Microtower (MT)/Small Form Factor (SFF) Chassis✎A memory module can be insta

6–10 431672-001 Service Reference GuideRemoval and Replacement Procedures— Microtower (MT)/Small Form Factor (SFF) Chassis5. Locate the memory module

Service Reference Guide 431672-001 6–11Removal and Replacement Procedures— Microtower (MT)/Small Form Factor (SFF) Chassis6.6 Expansion Cards 6.6.1 Ex

6–12 431672-001 Service Reference GuideRemoval and Replacement Procedures— Microtower (MT)/Small Form Factor (SFF) ChassisTo install an expansion card

iv 431672-001 Service Reference GuideContents5 Identifying the Chassis, Routine Care, and Disassembly Preparation5.1 Chassis Designations . . . . . .

Service Reference Guide 431672-001 6–13Removal and Replacement Procedures— Microtower (MT)/Small Form Factor (SFF) Chassis6.6.3 Installing an Expansio

6–14 431672-001 Service Reference GuideRemoval and Replacement Procedures— Microtower (MT)/Small Form Factor (SFF) Chassis7. Install the expansion car

Service Reference Guide 431672-001 6–15Removal and Replacement Procedures— Microtower (MT)/Small Form Factor (SFF) Chassis6.6.4 Removing an Expansion

6–16 431672-001 Service Reference GuideRemoval and Replacement Procedures— Microtower (MT)/Small Form Factor (SFF) Chassis6.7 Cable Management Always

Service Reference Guide 431672-001 6–17Removal and Replacement Procedures— Microtower (MT)/Small Form Factor (SFF) Chassis6.8 DrivesThe computer suppo

6–18 431672-001 Service Reference GuideRemoval and Replacement Procedures— Microtower (MT)/Small Form Factor (SFF) Chassis6.8.2 Removing a Drive 1. Tu

Service Reference Guide 431672-001 6–19Removal and Replacement Procedures— Microtower (MT)/Small Form Factor (SFF) Chassis5. Hard disk is inserted or

6–20 431672-001 Service Reference GuideRemoval and Replacement Procedures— Microtower (MT)/Small Form Factor (SFF) ChassisTo verify the type, size, an

Service Reference Guide 431672-001 6–21Removal and Replacement Procedures— Microtower (MT)/Small Form Factor (SFF) Chassis7. Remove the screws 1 that

6–22 431672-001 Service Reference GuideRemoval and Replacement Procedures— Microtower (MT)/Small Form Factor (SFF) ChassisInstalling Guide Screws in t

Service Reference Guide 431672-001 vContents 6.9 Front I/O Panel Housing Assembly - MT chassis . . . . . . . . . . . . . . . . . . . . . . . . . .

Service Reference Guide 431672-001 6–23Removal and Replacement Procedures— Microtower (MT)/Small Form Factor (SFF) Chassis4. Raise the Easy Access dri

6–24 431672-001 Service Reference GuideRemoval and Replacement Procedures— Microtower (MT)/Small Form Factor (SFF) Chassis6.8.6 Upgrading the Hard Dri

Service Reference Guide 431672-001 6–25Removal and Replacement Procedures— Microtower (MT)/Small Form Factor (SFF) Chassis6. Remove the screw 1. 7. S

6–26 431672-001 Service Reference GuideRemoval and Replacement Procedures— Microtower (MT)/Small Form Factor (SFF) Chassis6.9 Front I/O Panel Housing

Service Reference Guide 431672-001 6–27Removal and Replacement Procedures— Microtower (MT)/Small Form Factor (SFF) Chassis6.10 System Fan1. Prepare th

6–28 431672-001 Service Reference GuideRemoval and Replacement Procedures— Microtower (MT)/Small Form Factor (SFF) Chassis6.11 Heatsink - MT chassis1

Service Reference Guide 431672-001 6–29Removal and Replacement Procedures— Microtower (MT)/Small Form Factor (SFF) Chassis6.12 Processor 1. Prepare th

6–30 431672-001 Service Reference GuideRemoval and Replacement Procedures— Microtower (MT)/Small Form Factor (SFF) Chassis5. Go to step 7.6. If using

Service Reference Guide 431672-001 6–31Removal and Replacement Procedures— Microtower (MT)/Small Form Factor (SFF) Chassis6.13 System Board 1. Prepare

6–32 431672-001 Service Reference GuideRemoval and Replacement Procedures— Microtower (MT)/Small Form Factor (SFF) Chassis6.14 BatteryThe battery that

Service Reference Guide 431672-001 1–11Installing the Operating SystemDepending on the model, Microsoft Windows XP Home, Windows XP Professional or Re

Service Reference Guide 431672-001 6–33Removal and Replacement Procedures— Microtower (MT)/Small Form Factor (SFF) Chassis6.14.1 Battery Holder1. To r

6–34 431672-001 Service Reference GuideRemoval and Replacement Procedures— Microtower (MT)/Small Form Factor (SFF) Chassis6.15 Power SupplyÅWARNING: V

Service Reference Guide 431672-001 A–1AConnector Pin AssignmentsThis appendix contains the pin assignments for many computer and workstation connector

A–2 431672-001 Service Reference GuideConnector Pin AssignmentsParallel InterfaceConnector and IconPin Signal Pin Signal Pin Signal1 2 3Strobe Data Bi

Service Reference Guide 431672-001 A–3Connector Pin AssignmentsHeadphoneConnector and Icon (1/8" miniphone) Pin Signal1 (Tip) Audio_Left2 (Ring)

A–4 431672-001 Service Reference GuideConnector Pin Assignments24-Pin Power ConnectorPin Signal Pin Signal Pin Signal Pin Signal1 2 3 4 5 6 7+3.3 V +3

Service Reference Guide 431672-001 B–1BPower Cord Set RequirementsThe voltage select switch feature on the computer permits it to operate from any lin

Service Reference Guide 431672-001 C–1CPOST Error MessagesAn error message results if the Power-On Self-Test (POST) encounters a problem. This test ru

C–2 431672-001 Service Reference GuidePOST Error MessagesPrimary Master/Slave Hard Disk ErrorPrimary Master/Slave hard drive could not be initialized

Service Reference Guide 431672-001 C–3POST Error MessagesMicrocode Error BIOS could not find or load the CPU microcode update to the CPU.Ensure the sy

1–2 431672-001 Service Reference GuideInstalling the Operating System1.2 Converting to NTFS (Associated with WinXP OS)1.2.1 Windows XP Home and XP P

C–4 431672-001 Service Reference GuidePOST Error MessagesCMOS Checksum Bad CMOS contents failed the Checksum check.Restart the computer, use the F10 K

Service Reference Guide 431672-001 D–1DTroubleshooting Without DiagnosticsPreliminary ChecklistThis section describes some simple, preliminary tests a

D–2 431672-001 Service Reference GuideTroubleshooting Without DiagnosticsSolving General ProblemsYou may be able to easily resolve the minor problems

Service Reference Guide 431672-001 D–3Troubleshooting Without DiagnosticsComputer date and time display is incorrect.RTC (real-time clock) battery may

D–4 431672-001 Service Reference GuideTroubleshooting Without DiagnosticsSome software applications, especially games, are stressful on the graphics s

Service Reference Guide 431672-001 D–5Troubleshooting Without DiagnosticsSolving Hardware Installation ProblemsYou may need to reconfigure the compute

D–6 431672-001 Service Reference GuideTroubleshooting Without DiagnosticsInterpreting Diagnostic Lights and Audible CodesThis section covers the front

Service Reference Guide 431672-001 D–7Troubleshooting Without DiagnosticsSolving Display ProblemsSolving Display Problems Problem Cause SolutionBlank

D–8 431672-001 Service Reference GuideTroubleshooting Without DiagnosticsPower LED flashes Red six times, once every second, followed by a two second

Service Reference Guide 431672-001 D–9Troubleshooting Without DiagnosticsHigh pitched noise coming from inside a flat panel monitor.Brightness and/or

Service Reference Guide 431672-001 2–12Setup Utilities and Diagnostics FeaturesSetup Utilities (F10) and diagnostic features provide information neede

D–10 431672-001 Service Reference GuideTroubleshooting Without DiagnosticsSolving Audio ProblemsSolving Audio Problems Problem Cause SolutionSound doe

Service Reference Guide 431672-001 D–11Troubleshooting Without DiagnosticsNoise or no sound comes out of the speakers or headphones.1. If using digita

D–12 431672-001 Service Reference GuideTroubleshooting Without DiagnosticsSolving Printer ProblemsSolving Printer Problems Problem Cause SolutionPrint

Service Reference Guide 431672-001 D–13Troubleshooting Without DiagnosticsSolving Keyboard and Mouse ProblemsSolving Keyboard ProblemsProblem Cause So

D–14 431672-001 Service Reference GuideTroubleshooting Without DiagnosticsSolving Network ProblemsThese guidelines do not discuss the process of debug

Service Reference Guide 431672-001 D–15Troubleshooting Without DiagnosticsDiagnostics passes, but the computer does not communicate with the network.

D–16 431672-001 Service Reference GuideTroubleshooting Without DiagnosticsSolving Memory ProblemsÄCAUTION: For those systems that support ECC memory,

Service Reference Guide 431672-001 D–17Troubleshooting Without DiagnosticsSolving Processor Problems.Solving Processor ProblemsProblem Cause SolutionP

D–18 431672-001 Service Reference GuideTroubleshooting Without DiagnosticsSolving CD-ROM and DVD ProblemsSolving CD-ROM and DVD Problems Problem Cause

Service Reference Guide 431672-001 D–19Troubleshooting Without DiagnosticsSolving Drive Key ProblemsSolving Internet Access ProblemsRecording audio CD