Dell Dimension U7021 Bedienungsanleitung

www.dell.com | support.dell.com

Dell™ Dimension™ XPS

headphone

connector

microphone

connector

USB 2.0

connectors (2)

IEEE 1394

connector

PCI card (4), PCI Express

x1 card (1), PCI Express

x16 card (1) slots

serial port

parallel port

diagnostic lights

keyboard connector

USB 2.0

connectors (6)

VGA video connector

cover latch release

fans (2)

network adapter connector

security cable slot

fans (2)

sound card connectors

padlock ring

modem connector

power connector

DVI video connector

mouse connector

TV-OUT connector*

Model WHL

*Not present on all computers.

www.dell.com | support.dell.com

Notes, Notices, and Cautions

NOTE: A NOTE indicates important information that helps you make better use of your computer.

NOTICE: A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid the

problem.

CAUTION: A CAUTION indicates a potential for property damage, personal injury, or death.

If you purchased a Dell™ n Series computer, any references in this document to Microsoft

Windows

operating systems are not applicable.

____________________

Information in this document is subject to change without notice.

Reproduction in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden.

Trademarksusedinthistext:Dell,theDELLlogo,Inspiron,DellPrecision,Dimension,OptiPlex,Latitude,PowerEdge,PowerVault,PowerApp,

DellNet, PowerConnect, and Axim are trademarks of Dell Inc.; Intel and Pentium are registered trademarks of Intel Corporation; Microsoft,

Windows, and Outlook are registered trademarks of Microsoft Corporation.

Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products.

Dell Inc. disclaims any proprietary interest in trademarks and trade names other than its own.

Model WHL

March 2005 P/N U7021 Rev. A01

Contents 3

Contents

Finding Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

1 Setting Up and Using Your Computer

Opening the Drive Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Changing the Front-Panel Light Color . . . . . . . . . . . . . . . . . . . . . . 14

Connecting Two Monitors . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Connecting Two Monitors With VGA Connectors . . . . . . . . . . . . . 15

Connecting One Monitor With a VGA connector and

One Monitor With a DVI Connector. . . . . . . . . . . . . . . . . . . . . 16

Connecting a TV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Changing the Display Settings . . . . . . . . . . . . . . . . . . . . . . . 17

About Serial ATA Drives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

About Your RAID Configuration . . . . . . . . . . . . . . . . . . . . . . . . . 17

RAID Level 0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

RAID Level 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Configuring Your Computer for RAID . . . . . . . . . . . . . . . . . . . . 19

Configuring for RAID Using the Intel(R) Option ROM Utility . . . . . . . . 20

Configuring for RAID Using the Intel(R) Application Accelerator . . . . . 21

Transferring Information to a New Computer . . . . . . . . . . . . . . . . . . 25

Playing CDs and Movies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Playing a CD or DVD . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Adjusting the Volume . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Adjusting the Picture . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Copying CDs and DVDs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

How to Copy a CD or DVD. . . . . . . . . . . . . . . . . . . . . . . . . . 29

Using Blank CD-Rs, CD-RWs, DVD+Rs, and DVD+RWs . . . . . . . . . . 29

Helpful Tips . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Network Setup Wizard. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

4Contents

Power Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Standby Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Hibernate Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Power Options Properties . . . . . . . . . . . . . . . . . . . . . . . . . 32

2 Optimizing Performance

Hyper-Threading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Overclocking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

PCI Express Cards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

3 Solving Problems

Troubleshooting Tips. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Battery Problems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Drive Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

CD and DVD drive problems . . . . . . . . . . . . . . . . . . . . . . . . 38

Hard drive problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

E-Mail, Modem, and Internet Problems . . . . . . . . . . . . . . . . . . . . . 39

Error Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

IEEE 1394 Device Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Keyboard Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Lockups and Software Problems . . . . . . . . . . . . . . . . . . . . . . . . 42

The computer does not start up . . . . . . . . . . . . . . . . . . . . . . 42

The computer stops responding . . . . . . . . . . . . . . . . . . . . . . 42

A program stops responding . . . . . . . . . . . . . . . . . . . . . . . . 42

A program crashes repeatedly . . . . . . . . . . . . . . . . . . . . . . . 43

A program is designed for an earlier Windows operating system . . . . . 43

A solid blue screen appears . . . . . . . . . . . . . . . . . . . . . . . . 43

Other software problems . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Memory Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Mouse Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Contents 5

Network Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Power Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Printer Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Scanner Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Sound and Speaker Problems . . . . . . . . . . . . . . . . . . . . . . . . . . 48

No sound from speakers . . . . . . . . . . . . . . . . . . . . . . . . . . 48

No sound from headphones . . . . . . . . . . . . . . . . . . . . . . . . 49

Video and Monitor Problems . . . . . . . . . . . . . . . . . . . . . . . . . . 50

If the screen is blank . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

If the screen is difficult to read . . . . . . . . . . . . . . . . . . . . . . . 50

4 Advanced Troubleshooting

Diagnostic Lights. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

Dell Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

When to Use the Dell Diagnostics . . . . . . . . . . . . . . . . . . . . . 56

Drivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

What Is a Driver? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

Identifying Drivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

Reinstalling Drivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

Using Microsoft®Windows®XP System Restore . . . . . . . . . . . . . . . 61

Creating a Restore Point . . . . . . . . . . . . . . . . . . . . . . . . . . 62

Restoring the Computer to an Earlier Operating State . . . . . . . . . . . 62

Undoing the Last System Restore. . . . . . . . . . . . . . . . . . . . . . 62

Using Dell PC Restore by Symantec . . . . . . . . . . . . . . . . . . . . . . . 63

Resolving Software and Hardware Incompatibilities . . . . . . . . . . . . . 64

Reinstalling Microsoft®Windows®XP. . . . . . . . . . . . . . . . . . . . . 64

Before You Begin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

Reinstalling Windows XP . . . . . . . . . . . . . . . . . . . . . . . . . . 65

6Contents

5 Removing and Installing Parts

Before You Begin. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

Recommended Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

Turning Off Your Computer . . . . . . . . . . . . . . . . . . . . . . . . . 67

Before Working Inside Your Computer . . . . . . . . . . . . . . . . . . . 68

Front and Back View of the Computer . . . . . . . . . . . . . . . . . . . . . . 69

Front View. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69

Front View (Doors Open) . . . . . . . . . . . . . . . . . . . . . . . . . . 70

Back View. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71

Opening the Computer Cover . . . . . . . . . . . . . . . . . . . . . . . . . . 73

Inside View of Your Computer . . . . . . . . . . . . . . . . . . . . . . . . . . 74

System Board Components. . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

Memory. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76

Installing Memory. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77

Removing Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79

Cards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79

PCI Cards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80

PCI Express Cards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83

Drives. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88

General Installation Guidelines . . . . . . . . . . . . . . . . . . . . . . . 88

Connecting Drive Cables . . . . . . . . . . . . . . . . . . . . . . . . . . 89

Hard Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90

Removing a Hard Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . 90

Installing a Hard Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . 91

Adding a Second Hard Drive . . . . . . . . . . . . . . . . . . . . . . . . 94

Floppy Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95

Removing a Floppy Drive . . . . . . . . . . . . . . . . . . . . . . . . . . 96

Installing a Floppy Drive . . . . . . . . . . . . . . . . . . . . . . . . . . 96

CD/DVD Drive. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98

Removing a CD/DVD Drive . . . . . . . . . . . . . . . . . . . . . . . . . 98

Installing a CD/DVD Drive. . . . . . . . . . . . . . . . . . . . . . . . . . 99

Processor Airflow Shroud . . . . . . . . . . . . . . . . . . . . . . . . . . . 102

Removing the Processor Airflow Shroud. . . . . . . . . . . . . . . . . 102

Installing the Processor Airflow Shroud . . . . . . . . . . . . . . . . . 103

Contents 7

Processor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103

Removing the Processor . . . . . . . . . . . . . . . . . . . . . . . . . 103

Installing the Processor . . . . . . . . . . . . . . . . . . . . . . . . . 106

Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108

Removing the Front Panel. . . . . . . . . . . . . . . . . . . . . . . . . 108

Replacing the Front Panel . . . . . . . . . . . . . . . . . . . . . . . . 109

Drive Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110

Removing the Drive Door . . . . . . . . . . . . . . . . . . . . . . . . . 110

Replacing the Drive Door . . . . . . . . . . . . . . . . . . . . . . . . . 111

Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113

Replacing the Battery. . . . . . . . . . . . . . . . . . . . . . . . . . . 113

Closing the Computer Cover . . . . . . . . . . . . . . . . . . . . . . . . . . 114

6 Appendix

Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115

System Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119

Entering System Setup . . . . . . . . . . . . . . . . . . . . . . . . . . 120

System Setup Options. . . . . . . . . . . . . . . . . . . . . . . . . . . 121

Boot Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124

Clearing Forgotten Passwords. . . . . . . . . . . . . . . . . . . . . . . . . 126

Clearing CMOS Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127

Cleaning Your Computer . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127

Computer, Keyboard, and Monitor . . . . . . . . . . . . . . . . . . . . 127

Mouse. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128

Floppy Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128

CDs and DVDs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128

Dell Technical Support Policy (U.S. Only) . . . . . . . . . . . . . . . . . . . 129

Definition of "Dell-Installed" Software and Peripherals . . . . . . . . . 129

Definition of "Third-Party" Software and Peripherals. . . . . . . . . . . 129

8Contents

FCC Notices (U.S. Only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129

Class A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130

Class B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130

FCC Identification Information . . . . . . . . . . . . . . . . . . . . . . 131

Contacting Dell. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131

Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149

Finding Information 9

Finding Information

What Are You Looking For? Find it Here

• How to access tutorials and other how to information

• How to get a copy of my invoice

• How to extend my warranty

• How to access Dell Support on my Microsoft

Windows

desktop (U.S. only)

• Additional documentation, tools, troubleshooting

information, and links to online support resources

Dell Solution Center

On your Windows desktop

• A diagnostic program for my computer

• Drivers for my computer

• My computer documentation

• My device documentation

ResourceCD

Documentation and drivers are already installed on your

computer. You can use the CD to reinstall drivers (see

page 60), run the Dell Diagnostics (see page 56), or

access your documentation.

Readme files may be

included on your CD to

provide last-minute

updates about technical

changes to your

computer or advanced

technical-reference

material for technicians

or experienced users.

• Additional information about setting up my computer

• How to troubleshoot and solve problems

• How to remove and install parts

• Technical specifications

• How to contact Dell

Dimension Owner’s Manual

NOTE: This document is available as a PDF at

support.dell.com.

10 Finding Information

www.dell.com | support.dell.com

• Warranty information

• Safety instructions

• Regulatory information

• Ergonomics information

• End User License Agreement

Dell™ Product Information Guide

• How to set up my computer

Setup Diagram

• Service Tag and Express Service Code

• Microsoft Windows License Label

Service Tag and Microsoft Windows License

These labels are located on your computer.

• Use the Service Tag to

identify your computer

when you use

support.dell.com

contact technical

support.

• Enter the Express Service Code to direct your call when

contacting technical support. The Express Service Code

is not available in all countries.

What Are You Looking For? Find it Here

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