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.
____________________
Information in this document is subject to change without notice.
© 2008 Dell Inc. All rights reserved.
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
1
1
3
4
6
7
5
2
8
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
2
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.
1
Shut down the operating system.
2
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.
1
Ensure that the work surface is flat and clean to prevent the computer
cover from being scratched.
2
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.
3
Disconnect all telephone or network cables from the computer.
4
Disconnect your computer and all attached devices from their electrical
outlets.
5
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.
1
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.
2
Place the computer face down on a flat surface.
3
Loosen the two captive screws securing the computer cover.
3
Replacing the Computer Cover 11
4
2
1
Slide the computer cover towards the top and lift it away from the
computer.
1 captive screws (2) 2 computer cover
5
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.
6
Pivot the cover down and into position.
7
Push the cover until it clicks into place.
8
Tighten the two captive screws that secure the computer cover.
9
Connect your computer and all attached devices to electrical outlets, and
turn them on.
12 Replacing the Computer Cover
Replacing the Stand
1
2
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.
1
Follow the procedures in "Before You Begin" on page 9.
2
Remove the computer cover (see "Replacing the Computer Cover" on
page 11).
3
Remove the seven screws securing the stand and lift the stand away from
the computer.
4
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
4
To replace the stand, align the screw holes on the stand with the screw
holes on the chassis.
5
Replace the seven screws that secure the stand.
6
Replace the computer cover (see "Replacing the Computer Cover" on
page 11).
14 Replacing the Stand
Replacing the Top Shield
1
2
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.
1
Follow the procedures in "Before You Begin" on page 9.
2
Remove the computer cover (see "Replacing the Computer Cover" on
page 11).
3
Remove the four screws securing the top shield and lift the top shield away
from the computer..
5
1 screws (4) 2 top shield
4
To replace the top shield, align the screw holes on the top shield with the
screw holes on the chassis.
5
Replace the four screws that secure the top shield.
6
Replace the computer cover (see "Replacing the Computer Cover" on
page 11).
Replacing the Top Shield 15
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