Dell Precision T7400 DCDO Manuel utilisateur

www.dell.com | support.dell.com

Dell Precision™ T7400

Quick Reference Guide

Model DCDO

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.

____________________

Information in this document is subject to change without notice.

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

Trademarks used in this text: Dell, the DELL logo, and Dell Precision are trademarks of Dell Inc.;

Microsoft, Windows,and Windows Vista are either trademarks or registered trademarks of Microsoft

Corporation in the United States and/or other countries.

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 DCDO

September 2007 P/N YT561 Rev. A00

Contents 3

Contents

Finding Information . . . . . . . . . . . . . . . . . . . . 5

Setting Up Your Computer . . . . . . . . . . . . . . . . . 9

Changing Between Tower and Desktop

Orientations . . . . . . . . . . . . . . . . . . . . . 9

Installing Your Computer in an Enclosure . . . . . 10

Transferring Information to a New Computer . . . 13

Power Protection Devices . . . . . . . . . . . . . 16

About Your Computer . . . . . . . . . . . . . . . . . . 18

Front View (Tower Orientation) . . . . . . . . . . 18

Back View (Tower Orientation) . . . . . . . . . . 20

Back Panel Connectors . . . . . . . . . . . . . . 21

Cleaning Your Computer . . . . . . . . . . . . . . . . 23

Computer, Keyboard, and Monitor . . . . . . . . . 23

Mouse (Non-Optical) . . . . . . . . . . . . . . . . 23

Floppy Drive . . . . . . . . . . . . . . . . . . . . 24

CDs and DVDs . . . . . . . . . . . . . . . . . . . 24

Troubleshooting Tools . . . . . . . . . . . . . . . . . . 24

Power Lights . . . . . . . . . . . . . . . . . . . . 24

Diagnostic Lights . . . . . . . . . . . . . . . . . . 26

Beep Codes . . . . . . . . . . . . . . . . . . . . 30

System Messages . . . . . . . . . . . . . . . . . 31

Hardware Troubleshooter . . . . . . . . . . . . . 32

Dell Diagnostics . . . . . . . . . . . . . . . . . . 33

Troubleshooting . . . . . . . . . . . . . . . . . . 37

Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

4Contents

Quick Reference Guide 5

Finding Information

NOTE: Some features or media may be optional and may not ship with your

computer. Some features or media may not be available in certain countries.

NOTE: Additional information may ship with your computer.

What Are You Looking For? Find It Here

• A diagnostic program for my computer

• Drivers for my computer

• My device documentation

• Desktop System Software (DSS)

Drivers and Utilities Disc

NOTE: The Drivers and Utilities disc may be

optional and may not ship with your computer.

Documentation and drivers are already

installed on your computer. You can use

the Drivers and Utilities disc to reinstall

drivers (see "Reinstalling Drivers and

Utilities" in your User’s Guide) and to run

the Dell™ Diagnostics (see "Dell

Diagnostics" on page 33).

NOTE: Drivers and documentation updates

can be found at support.dell.com.

• How to remove and replace parts

•Specifications

• How to configure system settings

• How to troubleshoot and solve problems

Dell Precision™ User’s Guide

Microsoft®Windows®XP and Microsoft

Windows Vista™ Help and Support Center

Click

Start

→

Help and Support

→

Dell

User and System Guides

→

System

Guides

Click the

User’s Guide

for your computer.

6Quick Reference Guide

• Warranty information

• Terms and Conditions (U.S. only)

• Safety instructions

• Regulatory information

• Ergonomics information

• End User License Agreement

Dell™ Product Information Guide

• Service Tag and Express Service Code

•Microsoft

Windows

Product Key

Service Tag and Microsoft Windows

Product Key

These labels are located on your computer:

• Use the Service Tag to identify your

computer when you use

support.dell.com

or contact Dell support.

• Enter the Express Service Code to direct

your call when contacting Dell support.

NOTE: As an increased security measure,

the newly designed Microsoft Windows

license label incorporates a missing portion,

or hole, to discourage removal of the label.

What Are You Looking For? Find It Here

Quick Reference Guide 7

• Solutions — Troubleshooting hints and

tips, articles from technicians, online

courses, and frequently asked questions

• Community — Online discussion with

other Dell customers

• Upgrades — Upgrade information for

components, such as the memory, hard

drive, and operating system

• Customer Care — Contact information,

service call and order status, and

warranty and repair information

• Service and support — Service call

status, support history, service contract,

and online discussions with support

• Dell Technical Update Service —

Proactive e-mail notification of software

and hardware updates for your computer

• Reference — Computer documentation,

details on my computer configuration,

product specifications, and white papers

• Downloads — Certified drivers, patches,

and software updates

Dell Support Website — support.dell.com

NOTE: Select your region or business

segment to view the appropriate support site.

• Desktop System Software (DSS) — If you

reinstall the operating system for your

computer, you should also reinstall the

DSS utility. DSS automatically detects

your computer and operating system and

installs the updates appropriate for your

configuration, providing critical updates

for your operating system and support for

processors, optical drives, USB devices, for

example. DSS is necessary for correct

operation of your Dell computer.

To download Desktop System Software:

Go to

support.dell.com

, select your

country/region, and then click

Drivers

& Downloads

Click

Select Model

Enter a Tag

make the appropriate selections or enter

the appropriate information for your

computer, and then click

Confirm

Scroll down to

System and Configuration

Utilities

→

Desktop System Software

and then click

Download Now

NOTE: The support.dell.com user interface

may vary depending on your selections.

What Are You Looking For? Find It Here

8Quick Reference Guide

• How to use Windows XP

• How to use Windows Vista

• How to work with programs and files

• How to personalize my desktop

Windows Help and Support Center

Click

Start

→

Help and Support

Type a word or phrase that describes

your problem and click the arrow icon.

Click the topic that describes

your problem.

Follow the instructions on the screen.

• How to reinstall my operating system

Operating System Disc

The operating system is already installed

on your computer. To reinstall your

operating system, use the Operating System

disc that came with your computer (see

"Restoring Your Operating System" in your

User’s Guide).

After you reinstall your operating system,

use the optional Drivers and Utilities disc

to reinstall drivers for the devices that

came with your computer.

Your operating system product key label is

located on your computer.

NOTE: The color of your operating system

installation disc varies according to the

operating system you ordered.

What Are You Looking For? Find It Here

Quick Reference Guide 9

Setting Up Your Computer

Changing Between Tower and Desktop Orientations

CAUTION: Before you begin any of the procedures in this section, follow the

safety instructions in the

Product Information Guide

NOTE: To change your computer to either the tower or the desktop orientation, you

must use an optional kit available from Dell. See "Product Information" in your

User’s Guide for more details on ordering from Dell.

NOTE: The tower computer supports one more 3.5-inch drive in the front than does

the desktop computer.

Follow the procedures in "Before You Begin" in your

User’s Guide

Remove the computer cover (see "Removing the Computer Cover" in your

User’s Guide

Remove the front panel (see "Removing the Front Panel" in your

User’s Guide

Remove the drive panel and prepare the drive panel by adding or removing

inserts, as needed (see "Drive Panels" in your

User’s Guide

Switching From Tower to Desktop Orientation

Remove all installed floppy drives or media card readers by following the steps

in "Removing a Floppy Drive or Media Card Reader (Tower Computer)" in

your

User’s Guide

, and then reinstall a single floppy drive or media card reader

by following the steps in "Installing a Floppy Drive or Media Card Reader

(Desktop Computer)" in your

User’s Guide

Remove all installed optical drives by following the steps in "Removing an

Optical Drive (Tower Computer)" in your

User’s Guide

, and then reinstall

the drives by following the steps in "Installing an Optical Drive (Desktop

Computer)" in your

User’s Guide

• How to use Linux

• E-mail discussions with users of Dell

Precision products and the Linux

operating system

• Additional information regarding Linux

and my Dell Precision computer

Dell Supported Linux Sites

• linux.dell.com

• lists.us.dell.com/mailman/listinfo/linux-

precision

What Are You Looking For? Find It Here

10 Quick Reference Guide

Switching From Desktop to Tower Orientation

Remove the floppy drive or media card reader (if installed) by following

the steps in "Removing a Floppy Drive or a Media Card Reader (Desktop

Computer)" in your

User’s Guide

, and then reinstall the floppy drive or

media card reader by following the steps in "Installing a Floppy Drive or

Media Card Reader (Tower Computer)" in your

User’s Guide

Remove all installed optical drives by following the steps in "Removing an

Optical Drive (Desktop Computer)" in your

User’s Guide

, and reinstall the

drives by following the steps in "Installing an Optical Drive (Tower Computer)"

in your

User’s Guide

Installing Your Computer in an Enclosure

Installing your computer in an enclosure can restrict airflow, can cause your

computer to overheat, and may impact your computer’s performance. Follow

the guidelines below when installing your computer in an enclosure.

NOTICE: The operating temperature specified in this manual reflects the maximum

ambient operating temperature. The ambient room temperature must be a consideration

when installing your computer in an enclosure. For details about your computer’s

specifications, see "Specifications" in your User’s Guide.

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