Dell XPS One 20 User Manual

XPS One™ Service Manual

Model MTG24

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.

____________________

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

Trademarks used in this text: Dell, the DELL logo, and XPS One are trademarks of Dell Inc.; Microsoft and Windows are either trademarks or registered trademarks of Microsoft Corporation in the United States and/or other countries; Bluetooth is a registered trademark owned by Bluetooth SIG, Inc. and is used by Dell under license.

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 MTG24

June 2008 Rev. A00

Contents

1 Technical Overview . . . . . . . . . . . . . . . . . . 7

Inside View of Your XPS One™ A2420 Computer . . . . . 7

2 Before You Begin. . . . . . . . . . . . . . . . . . . . 9

Recommended Tools. . . . . . . . . . . . . . . . . . . . 9

Turning Off Your Computer. . . . . . . . . . . . . . . . . 9

Safety Instructions

. . . . . . . . . . . . . . . . . . . . . 9

3 Replacing the Computer Cover . . . . . . . . 11

4 Replacing the Stand . . . . . . . . . . . . . . . . 13

5 Replacing the Top Shield

. . . . . . . . . . . . . 15

6 Replacing Memory Module(s) . . . . . . . . . 17

7 Replacing Drives . . . . . . . . . . . . . . . . . . . 19

Replacing the Hard Drive . . . . . . . . . . . . . . . . 19

Replacing the Optical Drive

. . . . . . . . . . . . . . . 21

Contents 3

8 Replacing Cards. . . . . . . . . . . . . . . . . . . 25

Replacing the WLAN Card . . . . . . . . . . . . . . . . 25

Replacing the TV Tuner Card

. . . . . . . . . . . . . . . 26

Replacing the Graphics Card . . . . . . . . . . . . . . 28

Replacing the Internal Card With Bluetooth

Replacing the RF Module

Wireless Technology . . . . . . . . . . . . 30

. . . . . . . . . . . . . . . . 31

9 Replacing the Processor Heat Sink

Assembly . . . . . . . . . . . . . . . . . . . . . . . . . 33

10 Replacing the Processor . . . . . . . . . . . . 37

11 Replacing the Battery . . . . . . . . . . . . . . 41

12 System Setup . . . . . . . . . . . . . . . . . . . . . 43

Overview . . . . . . . . . . . . . . . . . . . . . . . . . 43

4 Contents

Entering System Setup

System Setup Screens

System Setup Options

Boot Sequence

Option Settings

. . . . . . . . . . . . . . . . . . 43

. . . . . . . . . . . . . . . 43

. . . . . . . . . . . . . . . . . . 45

. . . . . . . . . . . . . . . . . . . . . . 47

. . . . . . . . . . . . . . . . . . . 47

Changing Boot Sequence for the Current Boot

. . . . . . . . . . . . . . . . . . 48

Changing Boot Sequence for Future Boots

. . . . . 48

Clearing CMOS Settings . . . . . . . . . . . . . . . . . 49

Contents 5

6 Contents

Technical Overview

CAUTION: Before working inside your computer, read the safety information that

shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.

Inside View of Your XPS One™ A2420 Computer

1 optical drive 2 internal card with Bluetooth®

wireless technology

3 hard drive 4 WLAN card

5 memory modules 6 processor heat sink assembly

7 RF module 8 graphics card heat sink

Technical Overview 7

8 Technical Overview

Before You Begin

This chapter provides procedures for removing and installing the components in your computer. Unless otherwise noted, each procedure assumes that the following conditions exist:

• You have performed the steps in "Turning Off Your Computer" on page 9 and "Safety Instructions" on page 9.

• You have read the safety information that shipped with your computer

• A component can be replaced or—if purchased separately—installed by performing the removal procedure in reverse order.

Recommended Tools

The procedures in this document may require a small Phillips screwdriver.

Turning Off Your Computer

NOTICE: To avoid losing data, save and close all open files and exit all open

programs before you turn off your computer.

Shut down the operating system.

Ensure that the computer and all attached devices are turned off. If your computer and attached devices did not automatically turn off when you shut down your operating system, press and hold the power button for about 4 seconds to turn them off.

Safety Instructions

Use the following safety guidelines to help protect your computer from potential damage and to help to ensure your own personal safety.

CAUTION: Before working inside your computer, read the safety information that

shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.

Before You Begin 9

NOTICE: Only a certified service technician are authorized to remove the computer

cover and access any of the components inside the computer. See the safety instructions for complete information about safety precautions, working inside your computer, and protecting against electrostatic discharge.

NOTICE: When you disconnect a cable, pull on its connector or on its pull-tab, not

on the cable itself. Some cables have connectors with locking tabs; if you are disconnecting this type of cable, press in on the locking tabs before you disconnect the cable. As you pull connectors apart, keep them evenly aligned to avoid bending any connector pins. Also, before you connect a cable, ensure that both connectors are correctly oriented and aligned.

NOTICE: To avoid damaging the computer, perform the following steps before you

begin working inside the computer.

Ensure that the work surface is flat and clean to prevent the computer cover from being scratched.

Turn off your computer (see "Turning Off Your Computer" on page 9).

NOTICE: To disconnect a network cable, first unplug the cable from your computer

and then unplug the cable from the network device.

Disconnect all telephone or network cables from the computer.

Disconnect your computer and all attached devices from their electrical outlets.

Press and hold the power button while the system is unplugged to ground the system board.

NOTICE: Before touching anything inside your computer, ground yourself by

touching an unpainted metal surface, such as the metal at the back of the computer. While you work, periodically touch an unpainted metal surface to dissipate static electricity, which could harm internal components.

10 Before You Begin

Replacing the Computer Cover

CAUTION: Before working inside your computer, read the safety information that

shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.

CAUTION: To guard against electrical shock, always unplug your computer from

the electrical outlet before removing the cover.

NOTICE: Ensure that sufficient space exists to support the system with the cover

removed—at least 30 cm (1 ft.) of desk top space.

Follow the procedures in "Before You Begin" on page 9.

NOTICE: Before opening your computer, ensure that you place the computer on a

soft cloth or clean surface to avoid any scratches on the display.

Place the computer face down on a flat surface.

Loosen the two captive screws securing the computer cover.

Replacing the Computer Cover 11

Slide the computer cover towards the top and lift it away from the computer.

1 captive screws (2) 2 computer cover

To replace the computer cover, ensure that all the cables are connected and that no tools or extra parts (including screws) are left inside the computer.

Pivot the cover down and into position.

Push the cover until it clicks into place.

Tighten the two captive screws that secure the computer cover.

Connect your computer and all attached devices to electrical outlets, and turn them on.

12 Replacing the Computer Cover

Replacing the Stand

CAUTION: Before working inside your computer, read the safety information that

shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.

Follow the procedures in "Before You Begin" on page 9.

Remove the computer cover (see "Replacing the Computer Cover" on page 11).

Remove the seven screws securing the stand and lift the stand away from the computer.

1 stand 2 screws (7)

NOTE: Ensure that you remove the labels from the existing stand and affix them on

the new stand.

Replacing the Stand 13

To replace the stand, align the screw holes on the stand with the screw holes on the chassis.

Replace the seven screws that secure the stand.

Replace the computer cover (see "Replacing the Computer Cover" on page 11).

14 Replacing the Stand

Replacing the Top Shield

CAUTION: Before working inside your computer, read the safety information that

shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.

CAUTION: Ensure that you disconnect the power cable before removing the top

shield.

Follow the procedures in "Before You Begin" on page 9.

Remove the computer cover (see "Replacing the Computer Cover" on page 11).

Remove the four screws securing the top shield and lift the top shield away from the computer..

1 screws (4) 2 top shield

To replace the top shield, align the screw holes on the top shield with the screw holes on the chassis.

Replace the four screws that secure the top shield.

Replace the computer cover (see "Replacing the Computer Cover" on page 11).

Replacing the Top Shield 15

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