Hp COMPAQ DC5750 Manuale Utente

service reference guideHP Compaq dc5750 Business PC 1st EditionxThis document provides information on the removal and replacement of all parts as well

1–2 437963-001 Service Reference Guide, dc5750Installing the Operating System1.2 Transferring Files and SettingsUse the Microsoft Windows XP Files an

6–32 437963-001 Service Reference Guide, dc5750Removal and Replacement Procedures— Microtower (MT) Chassis6.16 Power SupplyÅWARNING: Voltage is always

Service Reference Guide, dc5750 437963-001 6–33Removal and Replacement Procedures— Microtower (MT) Chassis6.17 System Board 1. Prepare the computer fo

6–34 437963-001 Service Reference Guide, dc5750Removal and Replacement Procedures— Microtower (MT) Chassis6.18 BatteryThe battery that comes with your

Service Reference Guide, dc5750 437963-001 6–35Removal and Replacement Procedures— Microtower (MT) Chassis6.18.1 Type 1 Battery Holder1. Lift the batt

6–36 437963-001 Service Reference Guide, dc5750Removal and Replacement Procedures— Microtower (MT) Chassis6.18.2 Type 2 Battery Holder1. To release th

Service Reference Guide, dc5750 437963-001 6–37Removal and Replacement Procedures— Microtower (MT) Chassis6.18.3 Type 3 Battery Holder1. Pull back on

6–38 437963-001 Service Reference Guide, dc5750Removal and Replacement Procedures— Microtower (MT) Chassis

Service Reference Guide, dc5750 437963-001 7–17Removal and Replacement Procedures—Small Form Factor (SFF) ChassisAdherence to the procedures and preca

7–2 437963-001 Service Reference Guide, dc5750Removal and Replacement Procedures— Small Form Factor (SFF) Chassis7.2 Extern al S e c u rity D evices7.

Service Reference Guide, dc5750 437963-001 7–3Removal and Replacement Procedures— Small Form Factor (SFF) Chassis7.3 A cces s Panel 1. Prepare the co

Service Reference Guide, dc5750 437963-001 2–12Setup Utilities and Diagnostics FeaturesSetup Utilities (F10) and diagnostic features provide informati

7–4 437963-001 Service Reference Guide, dc5750Removal and Replacement Procedures— Small Form Factor (SFF) Chassis7.4 Fron t B ezel1. Prepare the compu

Service Reference Guide, dc5750 437963-001 7–5Removal and Replacement Procedures— Small Form Factor (SFF) Chassis7.5 Front D rive B ezels1. Prepare t

7–6 437963-001 Service Reference Guide, dc5750Removal and Replacement Procedures— Small Form Factor (SFF) Chassis7.6 Cable Management The Small Form F

Service Reference Guide, dc5750 437963-001 7–7Removal and Replacement Procedures— Small Form Factor (SFF) Chassis7.6.1 Cable ConnectionsSystem board c

7–8 437963-001 Service Reference Guide, dc5750Removal and Replacement Procedures— Small Form Factor (SFF) Chassis7.7 Dr ivesA Torx T-15 screwdriver is

Service Reference Guide, dc5750 437963-001 7–9Removal and Replacement Procedures— Small Form Factor (SFF) Chassis7.7.2 O pti cal Drive ÄCAUTION: All

7–10 437963-001 Service Reference Guide, dc5750Removal and Replacement Procedures— Small Form Factor (SFF) Chassis6. Remove the two M3 metric guide sc

Service Reference Guide, dc5750 437963-001 7–11Removal and Replacement Procedures— Small Form Factor (SFF) Chassis8. Connect the power 1 cable and dat

7–12 437963-001 Service Reference Guide, dc5750Removal and Replacement Procedures— Small Form Factor (SFF) Chassis7.7.3 Exte rn al 3. 5- in c h D ri

Service Reference Guide, dc5750 437963-001 7–13Removal and Replacement Procedures— Small Form Factor (SFF) Chassis7. Tilt the left side of the drive d

2–2 437963-001 Service Reference Guide, dc5750Setup Utilities and Diagnostics Features2.2 Computer Setup UtilitiesUse Computer Setup Utilities (F10)

7–14 437963-001 Service Reference Guide, dc5750Removal and Replacement Procedures— Small Form Factor (SFF) Chassis7.7.4 H ard Drive A Torx T-15 screw

Service Reference Guide, dc5750 437963-001 7–15Removal and Replacement Procedures— Small Form Factor (SFF) Chassis7. Press down on the lever to the le

7–16 437963-001 Service Reference Guide, dc5750Removal and Replacement Procedures— Small Form Factor (SFF) Chassis✎If the system has only one SATA har

Service Reference Guide, dc5750 437963-001 7–17Removal and Replacement Procedures— Small Form Factor (SFF) Chassis7.8 Mem or y ÄCAUTION: The memory mo

7–18 437963-001 Service Reference Guide, dc5750Removal and Replacement Procedures— Small Form Factor (SFF) Chassis✎A memory module can be installed in

Service Reference Guide, dc5750 437963-001 7–19Removal and Replacement Procedures— Small Form Factor (SFF) Chassis7.9 Expansion Card 7.9.1 Expansion

7–20 437963-001 Service Reference Guide, dc5750Removal and Replacement Procedures— Small Form Factor (SFF) Chassis6. If you are removing an existing P

Service Reference Guide, dc5750 437963-001 7–21Removal and Replacement Procedures— Small Form Factor (SFF) Chassis7.10 Power Supply ÅWARNING: Voltage

7–22 437963-001 Service Reference Guide, dc5750Removal and Replacement Procedures— Small Form Factor (SFF) Chassis7.11 Fan Shroud 1. Prepare the compu

Service Reference Guide, dc5750 437963-001 7–23Removal and Replacement Procedures— Small Form Factor (SFF) Chassis7.12 Front I/O Device 1. Prepare the

Service Reference Guide, dc5750 437963-001 2–3Setup Utilities and Diagnostics Features2.2.1 Using Computer Setup (F10) Utilities Computer Setup can b

7–24 437963-001 Service Reference Guide, dc5750Removal and Replacement Procedures— Small Form Factor (SFF) Chassis7.13 Chassis Fan1. Prepare the compu

Service Reference Guide, dc5750 437963-001 7–25Removal and Replacement Procedures— Small Form Factor (SFF) Chassis7.14 Power Swit c h Assemb ly 1. P

7–26 437963-001 Service Reference Guide, dc5750Removal and Replacement Procedures— Small Form Factor (SFF) Chassis7. Squeeze the switch holder retaini

Service Reference Guide, dc5750 437963-001 7–27Removal and Replacement Procedures— Small Form Factor (SFF) Chassis7.15 Spea ke r 1. Prepare the comput

7–28 437963-001 Service Reference Guide, dc5750Removal and Replacement Procedures— Small Form Factor (SFF) Chassis7.16 Heatsi nk 1. Prepare the comput

Service Reference Guide, dc5750 437963-001 7–29Removal and Replacement Procedures— Small Form Factor (SFF) Chassis7.17 P rocessor 1. Prepare the compu

7–30 437963-001 Service Reference Guide, dc5750Removal and Replacement Procedures— Small Form Factor (SFF) ChassisÄCAUTION: Heatsink retaining screws

Service Reference Guide, dc5750 437963-001 7–31Removal and Replacement Procedures— Small Form Factor (SFF) Chassis7.18 Sys tem B oard 1. Prepare the

7–32 437963-001 Service Reference Guide, dc5750Removal and Replacement Procedures— Small Form Factor (SFF) Chassis7.19 Bat t er yThe battery that come

Service Reference Guide, dc5750 437963-001 7–33Removal and Replacement Procedures— Small Form Factor (SFF) Chassis7.19.1 Type 1 Battery Holder1. Lift

2–4 437963-001 Service Reference Guide, dc5750Setup Utilities and Diagnostics Features2.2.2 Computer Setup MenuHeading Option DescriptionFile System I

7–34 437963-001 Service Reference Guide, dc5750Removal and Replacement Procedures— Small Form Factor (SFF) Chassis7.19.2 Typ e 2 Ba t te ry H ol der1

Service Reference Guide, dc5750 437963-001 7–35Removal and Replacement Procedures— Small Form Factor (SFF) Chassis7.19.3 Type 3 B a ttery Ho lde r1

7–36 437963-001 Service Reference Guide, dc5750Removal and Replacement Procedures— Small Form Factor (SFF) Chassis

Service Reference Guide, dc5750 437963-001 A–1AConnector Pin AssignmentsThis appendix contains the pin assignments for many computer and workstation c

A–2 437963-001 Service Reference Guide, dc5750Connector Pin AssignmentsEthernet RJ-45Connector and Icon Pin Signal1234(+) Transmit Data(-) Transmit Da

Service Reference Guide, dc5750 437963-001 A–3Connector Pin AssignmentsSerial Interface, Powered and Non-PoweredConnector and Icon Pin Signal123Carrie

A–4 437963-001 Service Reference Guide, dc5750Connector Pin AssignmentsLine-Out AudioConnector and Icon (1/8” miniphone) Pin Signal1 (Tip) Audio_Out_L

Service Reference Guide, dc5750 437963-001 A–5Connector Pin AssignmentsATA/ATAPI (IDE) Standard Drive CableConnectorPin Signal Pin Signal Pin Signal12

A–6 437963-001 Service Reference Guide, dc5750Connector Pin Assignments24-Pin MicroFit Power (USDT, SFF, and ST models)ConnectorPin Signal Pin Signal

Service Reference Guide, dc5750 437963-001 A–7Connector Pin Assignments SATA Data and Power Drive ConnectorPin Signal Pin Signal Pin Signal Pin Signal

Service Reference Guide, dc5750 437963-001 2–5Setup Utilities and Diagnostics FeaturesStorage Device ConfigurationLists all installed BIOS-controlled

A–8 437963-001 Service Reference Guide, dc5750Connector Pin AssignmentsPCI Express x1, x4, x8, and x16 PCI Express ConnectorPin APin Signal Pin Signal

Service Reference Guide, dc5750 437963-001 A–9Connector Pin AssignmentsPin BPin Signal Pin Signal Pin Signal Pin Signal Pin Signal12345+12V+12VRSVDGND

A–10 437963-001 Service Reference Guide, dc5750Connector Pin AssignmentsDVI ConnectorConnector and IconPin Signal Pin Signal1234T.M.D.S. Data2-T.M.D.S

Service Reference Guide, dc5750 437963-001 B–1BPower Cord Set RequirementsThe power supplies on some computers have external power switches. The volta

B–2 437963-001 Service Reference Guide, dc5750Power Cord Set RequirementsCountry-Specific RequirementsAdditional requirements specific to a country ar

Service Reference Guide, dc5750 437963-001 C–1CPOST Error MessagesPOST Error MessagesAn error message results if the Power-On Self-Test (POST) encount

C–2 437963-001 Service Reference Guide, dc5750POST Error Messages162-System Options Not SetConfiguration incorrect.RTC (real-time clock) battery may n

Service Reference Guide, dc5750 437963-001 C–3POST Error Messages219 -EC C M emo r y Module Detected. ECC Modules not supported on this platformRecen

C–4 437963-001 Service Reference Guide, dc5750POST Error Messages511-CPU, CPUA, or CPUB Fan not detectedCPU fan is not connected or may have malfuncti

Service Reference Guide, dc5750 437963-001 C–5POST Error Messages918-Front USB Not ConnectedFront USB harness has been detached or unseated from syste

2–6 437963-001 Service Reference Guide, dc5750Setup Utilities and Diagnostics FeaturesStorage (continued)Device Configuration (continued)Multisector T

C–6 437963-001 Service Reference Guide, dc5750POST Error Messages1720 -S M A R T H a rd Drive Detects Imminent FailureHard drive is about to fail. (

Service Reference Guide, dc5750 437963-001 C–7POST Error MessagesNetwork Server Mode Active and No Keyboard AttachedKeyboard failure while Network Ser

C–8 437963-001 Service Reference Guide, dc5750POST Error MessagesPOST Diagnostic Front Panel LEDs and Audible CodesThis section covers the front panel

Service Reference Guide, dc5750 437963-001 C–9POST Error MessagesRed Power LED flashes three times, once every second, followed by a two second pause.

C–10 437963-001 Service Reference Guide, dc5750POST Error MessagesRed Power LED flashes six times, once every second, followed by a two second pause.

Service Reference Guide, dc5750 437963-001 C–11POST Error MessagesRed Power LED flashes nine times, once every second, followed by a two second pause.

C–12 437963-001 Service Reference Guide, dc5750POST Error MessagesSystem does not power on and LEDs are not flashing.None System unable to power on.Pr

Service Reference Guide, dc5750 437963-001 D–1DTroubleshooting Without DiagnosticsPreliminary ChecklistThis section describes some simple, preliminary

D–2 437963-001 Service Reference Guide, dc5750Troubleshooting Without DiagnosticsSolving Minor ProblemsSolving Minor ProblemsProblem Cause Possible So

Service Reference Guide, dc5750 437963-001 D–3Troubleshooting Without DiagnosticsPoor performance is experienced.Processor is hot. 1. Ensure airflow t

Service Reference Guide, dc5750 437963-001 2–7Setup Utilities and Diagnostics FeaturesStorage (continued)Storage Options (continued)SATA EmulationAllo

D–4 437963-001 Service Reference Guide, dc5750Troubleshooting Without DiagnosticsComputer powered off automatically and the Power LED flashes Red two

Service Reference Guide, dc5750 437963-001 D–5Troubleshooting Without DiagnosticsSolving Power Supply ProblemsSolving Power Supply ProblemsProblem Cau

D–6 437963-001 Service Reference Guide, dc5750Troubleshooting Without DiagnosticsPower LED flashes Red, four times, once every second, followed by a t

Service Reference Guide, dc5750 437963-001 D–7Troubleshooting Without DiagnosticsSolving Diskette ProblemsSolving Diskette ProblemsProblem Cause Solut

D–8 437963-001 Service Reference Guide, dc5750Troubleshooting Without DiagnosticsCannot format diskette.(continued)Legacy diskette writes are disabled

Service Reference Guide, dc5750 437963-001 D–9Troubleshooting Without DiagnosticsSolving Hard Drive ProblemsSolving Hard Drive ProblemsProblem Cause S

D–10 437963-001 Service Reference Guide, dc5750Troubleshooting Without DiagnosticsNonsystem disk/NTLDR missing message(continued)System is trying to s

Service Reference Guide, dc5750 437963-001 D–11Troubleshooting Without DiagnosticsSolving Media Card Reader ProblemsComputer will not boot from hard d

D–12 437963-001 Service Reference Guide, dc5750Troubleshooting Without DiagnosticsUnable to access data on the media card after inserting it into a sl

Service Reference Guide, dc5750 437963-001 D–13Troubleshooting Without DiagnosticsSolving Display ProblemsSolving Display ProblemsProblem Cause Soluti

2–8 437963-001 Service Reference Guide, dc5750Setup Utilities and Diagnostics FeaturesStorage (continued)Boot Order Allows you to:• Specify the order

D–14 437963-001 Service Reference Guide, dc5750Troubleshooting Without DiagnosticsBlank screen (no video).(continued)Monitor settings in the computer

Service Reference Guide, dc5750 437963-001 D–15Troubleshooting Without DiagnosticsBlank screen and the power LED flashes Red seven times, once every s

D–16 437963-001 Service Reference Guide, dc5750Troubleshooting Without DiagnosticsImage is not centered. Position may need adjustment.Press the Menu b

Service Reference Guide, dc5750 437963-001 D–17Troubleshooting Without DiagnosticsSolving Audio ProblemsCertain typed symbols do not appear correct.Th

D–18 437963-001 Service Reference Guide, dc5750Troubleshooting Without DiagnosticsSound does not come out of the speaker or headphones.(continued)Audi

Service Reference Guide, dc5750 437963-001 D–19Troubleshooting Without DiagnosticsSolving Printer ProblemsSound does not come out of the speaker or he

D–20 437963-001 Service Reference Guide, dc5750Troubleshooting Without DiagnosticsSolving Keyboard and Mouse ProblemsPrinter may have failed. Run prin

Service Reference Guide, dc5750 437963-001 D–21Troubleshooting Without DiagnosticsComputer is in standby mode.Press the power button to resume from st

D–22 437963-001 Service Reference Guide, dc5750Troubleshooting Without DiagnosticsComputer is in standby mode.Press the power button to resume from st

Service Reference Guide, dc5750 437963-001 D–23Troubleshooting Without DiagnosticsSolving Hardware Installation ProblemsYou may need to reconfigure th

Service Reference Guide, dc5750 437963-001 2–9Setup Utilities and Diagnostics FeaturesSecurity (continued)Embedded Security (This menu only appears af

D–24 437963-001 Service Reference Guide, dc5750Troubleshooting Without DiagnosticsComputer will not start. Wrong memory modules were used in the upgra

Service Reference Guide, dc5750 437963-001 D–25Troubleshooting Without DiagnosticsSolving Network ProblemsThese guidelines do not discuss the process

D–26 437963-001 Service Reference Guide, dc5750Troubleshooting Without DiagnosticsDiagnostics reports a failure.The cable is not securely connected.En

Service Reference Guide, dc5750 437963-001 D–27Troubleshooting Without DiagnosticsNetwork controller stops working without apparent cause.(continued)T

D–28 437963-001 Service Reference Guide, dc5750Troubleshooting Without DiagnosticsSolving Memory ProblemsÄCAUTION: Power may still be supplied to the

Service Reference Guide, dc5750 437963-001 D–29Troubleshooting Without DiagnosticsSolving Processor Problems.Solving Processor ProblemsProblem Cause S

D–30 437963-001 Service Reference Guide, dc5750Troubleshooting Without DiagnosticsSolving CD-ROM and DVD ProblemsSolving CD-ROM and DVD ProblemsProble

Service Reference Guide, dc5750 437963-001 D–31Troubleshooting Without DiagnosticsMovie will not play in the DVD drive.Movie may be regionalized for a

D–32 437963-001 Service Reference Guide, dc5750Troubleshooting Without DiagnosticsSolving Drive Key ProblemsSolving Drive Key ProblemsProblem Cause So

Service Reference Guide, dc5750 437963-001 D–33Troubleshooting Without DiagnosticsSolving Front Panel Component ProblemsSolving Front Panel Component

2–10 437963-001 Service Reference Guide, dc5750Setup Utilities and Diagnostics FeaturesSecurity(continued)Setup Security LevelProvides a method to all

D–34 437963-001 Service Reference Guide, dc5750Troubleshooting Without DiagnosticsSolving Internet Access ProblemsSolving Internet Access ProblemsProb

Service Reference Guide, dc5750 437963-001 D–35Troubleshooting Without DiagnosticsInternet takes too long to download Web sites.Modem is not set up pr

D–36 437963-001 Service Reference Guide, dc5750Troubleshooting Without DiagnosticsSolving Software ProblemsMost software problems occur as a result of

Service Reference Guide, dc5750 437963-001 E–1ESystem Board and Riser Board ReferenceDesignatorsThese reference designators are used on most but not a

E–2 437963-001 Service Reference Guide, dc5750System Board and Riser Board Reference DesignatorsJ68J69J70J71J72Stacked mouse (Top)/keyboard (Bottom) c

Service Reference Guide, dc5750 437963-001 E–3System Board and Riser Board Reference DesignatorsP23P24P25 P26P27Header for front panel audio Header fo

E–4 437963-001 Service Reference Guide, dc5750System Board and Riser Board Reference DesignatorsU6U7U10U11U12Clock chip64 bit BridgeLOM1LOM1 EEPROMLOM

Service Reference Guide, dc5750 437963-001 F–1FMemoryThe dc5750 series computers with AMD-based processors come with double data rate 2 synchronous dy

F–2 437963-001 Service Reference Guide, dc5750MemoryThe system board shown may differ from the one in your product. The system will automatically oper

Service Reference Guide, dc5750 437963-001 Index–1Index4-pin power pin assignments A–624-pin MicroFit power pin assignments A–624-pin power pin assign

Service Reference Guide, dc5750 437963-001 2–11Setup Utilities and Diagnostics FeaturesPower (continued)Thermal Fan idle mode - This bar graph control

Index–2 437963-001 Service Reference Guide, dc5750IndexDdate and time display problems D–2DDR2 memory F–1deleting password 3–20delimiter characters, t

Service Reference Guide, dc5750 437963-001 Index–3Indexhardware, Proactive Change Notification (PCN) 3–7headphone pin assignments A–3heatsinkMT remova

Index–4 437963-001 Service Reference Guide, dc5750Indexoptical driveMT removal and replacement 6–16SFF removal and replacement 7–9 to 7–11overheating,

Service Reference Guide, dc5750 437963-001 Index–5IndexMT padlock 6–3MT PCI expansion card 6–12MT PCI Express expansion card 6–13MT power supply 6–32M

Index–6 437963-001 Service Reference Guide, dc5750IndexSmall Form Factor See SFFSmart Cover Locklocking 3–24unlocking 3–24Smart Cover Sensorprotection

2–12 437963-001 Service Reference Guide, dc5750Setup Utilities and Diagnostics FeaturesAdvanced*(continued)*For advanced users onlyPower-On Options(co

Service Reference Guide, dc5750 437963-001 2–13Setup Utilities and Diagnostics FeaturesAdvanced*(continued)*For advanced users onlyBus Options* On som

2–14 437963-001 Service Reference Guide, dc5750Setup Utilities and Diagnostics Features2.2.3 Recovering the Configuration SettingsThis method of recov

Service Reference Guide, dc5750 437963-001 2–15Setup Utilities and Diagnostics Features2.3.1 Accessing HP Insight DiagnosticsYou must boot to the Doc

2–16 437963-001 Service Reference Guide, dc5750Setup Utilities and Diagnostics FeaturesSystem—Shows information about the computer model, processor, c

Service Reference Guide, dc5750 437963-001 2–17Setup Utilities and Diagnostics Features2.3.4 Status TabThe Status tab displays the status of the selec

2–18 437963-001 Service Reference Guide, dc5750Setup Utilities and Diagnostics Features2.3.7 Saving and Printing Information in HP Insight Diagnostics

Service Reference Guide, dc5750 437963-001 3–13Desktop ManagementHP Client Management Solutions provides standards-based solutions for managing and co

Service Reference GuideHP Compaq dc5750 Business PC1st EditionDocument Part Number: 437963-001November 2006

3–2 437963-001 Service Reference Guide, dc5750Desktop Management3.1.1 HP OpenView AgentThe Radia Management Agent (RMA) used by both HP OpenView Clie

Service Reference Guide, dc5750 437963-001 3–3Desktop Management3.2 Remote System InstallationRemote System Installation allows you to start and set u

3–4 437963-001 Service Reference Guide, dc5750Desktop ManagementWhen HP Client Management Interface is used in conjunction with system management soft

Service Reference Guide, dc5750 437963-001 3–5Desktop Management HP Knowledgebase—link to expert information Automated SoftPaq collection and delive

3–6 437963-001 Service Reference Guide, dc5750Desktop Management Altiris Migration Suite Altiris Local Recovery ProFor more information about the HP

Service Reference Guide, dc5750 437963-001 3–7Desktop Management3.3.9 Proactive Change NotificationThe Proactive Change Notification program uses the

3–8 437963-001 Service Reference Guide, dc5750Desktop Management✎The computer must be powered on, or turned on through Remote Wakeup, to take advantag

Service Reference Guide, dc5750 437963-001 3–9Desktop Management3.4.2 HPQFlashThe HPQFlash utility is used to locally update or restore the system BIO

3–10 437963-001 Service Reference Guide, dc5750Desktop Management3.4.4 Replicating the SetupThe following procedures give an administrator the ability

Service Reference Guide, dc5750 437963-001 3–11Desktop ManagementCopying to Multiple ComputersÄCAUTION: A setup configuration is model-specific. File

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

3–12 437963-001 Service Reference Guide, dc5750Desktop ManagementCreating a Bootable DeviceSupported USB Flash Media DeviceSupported devices have a pr

Service Reference Guide, dc5750 437963-001 3–13Desktop Management10. At the A:\ prompt, enter FORMAT /S X: where X represents the drive letter noted b

3–14 437963-001 Service Reference Guide, dc5750Desktop Management6. Go to Advanced > PCI Devices to disable both the PATA and SATA controllers. Whe

Service Reference Guide, dc5750 437963-001 3–15Desktop ManagementAfter configuring the power button to function as a standby button, press the power b

3–16 437963-001 Service Reference Guide, dc5750Desktop Managementremovable media boot capability, you can protect valuable data assets. Memory Change

Service Reference Guide, dc5750 437963-001 3–17Desktop ManagementDevice Security Enables/disables serial ports, parallel port, front USB ports, system

3–18 437963-001 Service Reference Guide, dc5750Desktop Management3.5.1 Password SecurityThe power-on password prevents unauthorized use of the compute

Service Reference Guide, dc5750 437963-001 3–19Desktop Management3.5.3 Establishing a Power-On Password Using Computer SetupEstablishing a power-on pa

3–20 437963-001 Service Reference Guide, dc5750Desktop ManagementChanging a Power-On or Setup PasswordIf the system is equipped with an embedded secur

Service Reference Guide, dc5750 437963-001 3–21Desktop ManagementNational Keyboard Delimiter CharactersEach keyboard is designed to meet country-speci

Sercice Reference Guide, dc5750 437963-001 iiiContents1 Installing the Operating System1.1 Installing or Upgrading Device Drivers . . . . . . . . . .

3–22 437963-001 Service Reference Guide, dc5750Desktop ManagementUsing DriveLockWhen one or more hard drives that support the ATA Security command set

Service Reference Guide, dc5750 437963-001 3–23Desktop Management3.5.5 Smart Cover SensorCover Removal Sensor, available on some models, is a combinat

3–24 437963-001 Service Reference Guide, dc5750Desktop ManagementLocking the Smart Cover LockTo activate and lock the Smart Cover Lock, complete the f

Service Reference Guide, dc5750 437963-001 3–25Desktop Management3.5.7 Fingerprint Identification TechnologyEliminating the need to enter user passwor

3–26 437963-001 Service Reference Guide, dc5750Desktop Management

Service Reference Guide, dc5750 437963-001 4–14Serial and Parallel ATA Drive Guidelines andFeatures✎Serial ATA = SATAParallel ATA = PATAHP only suppor

4–2 437963-001 Service Reference Guide, dc5750Serial and Parallel ATA Drive Guidelines and Features4.2 SATA Hard Drive Cables4.2.1 SATA Data CableAlw

Service Reference Guide, dc5750 437963-001 4–3Serial and Parallel ATA Drive Guidelines and Features4.3 PATA Device InformationNo PATA drives are suppo

4–4 437963-001 Service Reference Guide, dc5750Serial and Parallel ATA Drive Guidelines and Features

Service Reference Guide, dc5750 437963-001 5–15Identifying the Chassis, Routine Care, andDisassembly PreparationThis chapter provides general service

iv 437963-001 Service Reference Guide, dc5750Contents3.4.1 Remote ROM Flash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5–2 437963-001 Service Reference Guide, dc5750Identifying the Chassis, Routine Care, and Disassembly Preparation5.1.2 Microtower (MT)

Service Reference Guide, dc5750 437963-001 5–3Identifying the Chassis, Routine Care, and Disassembly Preparation5.2 Electrostatic Discharge Informatio

5–4 437963-001 Service Reference Guide, dc5750Identifying the Chassis, Routine Care, and Disassembly Preparation5.2.3 Personal Grounding Methods and E

Service Reference Guide, dc5750 437963-001 5–5Identifying the Chassis, Routine Care, and Disassembly Preparation Static awareness labels Wrist strap

5–6 437963-001 Service Reference Guide, dc5750Identifying the Chassis, Routine Care, and Disassembly Preparation2. Never immerse any parts in water or

Service Reference Guide, dc5750 437963-001 5–7Identifying the Chassis, Routine Care, and Disassembly Preparation5.4.4 Cleaning the Monitor Wipe the m

5–8 437963-001 Service Reference Guide, dc5750Identifying the Chassis, Routine Care, and Disassembly Preparation5.5.3 ScrewsThe screws used in the com

Service Reference Guide, dc5750 437963-001 5–9Identifying the Chassis, Routine Care, and Disassembly Preparation5.5.6 Lithium Coin Cell BatteryThe bat

5–10 437963-001 Service Reference Guide, dc5750Identifying the Chassis, Routine Care, and Disassembly Preparation

Service Reference Guide, dc5750 437963-001 6–16Removal and Replacement Procedures—Microtower (MT) ChassisAdherence to the procedures and precautions d

Service Reference Guide, dc5750 437963-001 vContents5.5.2 Tools and Software Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6–2 437963-001 Service Reference Guide, dc5750Removal and Replacement Procedures— Microtower (MT) Chassis6.2 External Security Devices6.2.1 Installin

Service Reference Guide, dc5750 437963-001 6–3Removal and Replacement Procedures— Microtower (MT) Chassis6.2.2 Installing a Padlock A padlock may be u

6–4 437963-001 Service Reference Guide, dc5750Removal and Replacement Procedures— Microtower (MT) Chassis6.3 Access Panel 1. Prepare the computer for

Service Reference Guide, dc5750 437963-001 6–5Removal and Replacement Procedures— Microtower (MT) Chassis6.4 Front Bezel 1. Prepare the computer for d

6–6 437963-001 Service Reference Guide, dc5750Removal and Replacement Procedures— Microtower (MT) ChassisTo reinstall the front bezel:1. Position the

Service Reference Guide, dc5750 437963-001 6–7Removal and Replacement Procedures— Microtower (MT) Chassis6.5 Front Drive Bezels Follow these steps be

6–8 437963-001 Service Reference Guide, dc5750Removal and Replacement Procedures— Microtower (MT) Chassis6.6 Cable ManagementAlways follow good cable

Service Reference Guide, dc5750 437963-001 6–9Removal and Replacement Procedures— Microtower (MT) Chassis6.6.1 Cable ConnectionsSystem board connector

6–10 437963-001 Service Reference Guide, dc5750Removal and Replacement Procedures— Microtower (MT) Chassis6.7 MemoryÄCAUTION: The memory module socket

Service Reference Guide, dc5750 437963-001 6–11Removal and Replacement Procedures— Microtower (MT) Chassis6.8 Expansion Cards1. Prepare the computer f

vi 437963-001 Service Reference Guide, dc5750Contents7.7.2 Optical Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6–12 437963-001 Service Reference Guide, dc5750Removal and Replacement Procedures— Microtower (MT) Chassis4. Before installing an expansion card, remo

Service Reference Guide, dc5750 437963-001 6–13Removal and Replacement Procedures— Microtower (MT) Chassisc. If removing a PCI Express x16 card, pull

6–14 437963-001 Service Reference Guide, dc5750Removal and Replacement Procedures— Microtower (MT) Chassis7. If replacing or adding a new expansion ca

Service Reference Guide, dc5750 437963-001 6–15Removal and Replacement Procedures— Microtower (MT) Chassis6.9 DrivesThe computer supports up to five d

6–16 437963-001 Service Reference Guide, dc5750Removal and Replacement Procedures— Microtower (MT) Chassis6.9.2 Removing an External Drive 1. Remove a

Service Reference Guide, dc5750 437963-001 6–17Removal and Replacement Procedures— Microtower (MT) ChassisDisconnecting Diskette Drive Cables Releasin

6–18 437963-001 Service Reference Guide, dc5750Removal and Replacement Procedures— Microtower (MT) Chassis6.9.3 Installing an External Drive ÄCAUTION:

Service Reference Guide, dc5750 437963-001 6–19Removal and Replacement Procedures— Microtower (MT) Chassis2. Slide the drive into the drive bay, makin

6–20 437963-001 Service Reference Guide, dc5750Removal and Replacement Procedures— Microtower (MT) ChassisConnecting Diskette Drive Cables4. Install t

Service Reference Guide, dc5750 437963-001 6–21Removal and Replacement Procedures— Microtower (MT) Chassis4. Remove the front bezel (Section 6.4).5. D

Service Reference Guide, dc5750 437963-001 1–11Installing the Operating SystemÄCAUTION: Do not add optional hardware or third-party devices to your co

6–22 437963-001 Service Reference Guide, dc5750Removal and Replacement Procedures— Microtower (MT) Chassis7. Release the drive by pulling the green re

Service Reference Guide, dc5750 437963-001 6–23Removal and Replacement Procedures— Microtower (MT) Chassis10. Slide the drive into the drive bay, maki

6–24 437963-001 Service Reference Guide, dc5750Removal and Replacement Procedures— Microtower (MT) Chassis✎If your system only has one SATA hard drive

Service Reference Guide, dc5750 437963-001 6–25Removal and Replacement Procedures— Microtower (MT) Chassis6.10 Chassis Fan 1. Prepare the computer for

6–26 437963-001 Service Reference Guide, dc5750Removal and Replacement Procedures— Microtower (MT) Chassis6.11 Front Shroud 1. Prepare the computer fo

Service Reference Guide, dc5750 437963-001 6–27Removal and Replacement Procedures— Microtower (MT) Chassis6.12 Front I/O Panel Housing Assembly 1. Pr

6–28 437963-001 Service Reference Guide, dc5750Removal and Replacement Procedures— Microtower (MT) Chassis6.13 Heatsink 1. Prepare the computer for di

Service Reference Guide, dc5750 437963-001 6–29Removal and Replacement Procedures— Microtower (MT) Chassis6.14 Processor 1. Prepare the computer for d

6–30 437963-001 Service Reference Guide, dc5750Removal and Replacement Procedures— Microtower (MT) ChassisÄCAUTION: Heatsink retaining screws should b

Service Reference Guide, dc5750 437963-001 6–31Removal and Replacement Procedures— Microtower (MT) Chassis6.15 Speaker 1. Prepare the computer for dis