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 Dimension 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.
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.
WARNING: 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.
This manual 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 11
and "Safety Instructions" on page 12.
•You have read the safety information that ships with your computer
•A component can be replaced or—if purchased separately—installed by
performing the removal procedure in reverse order.
Technical Specifications
For information on technical specifications of your computer, see the Setup
Guide that shipped with your computer or see the Dell Support website at
support.dell.com/manuals.
Recommended Tools
The procedures in this document may require the following tools:
•Small Phillips screwdriver
•Small flat-blade screwdriver
.
Turning Off Your Computer
CAUTION: 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.
Before You Begin11
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.
WARNING: 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: Only a certified service technician should perform repairs on your
computer. Damage due to servicing that is not authorized by Dell is not covered by
your warranty.
CAUTION: 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.
CAUTION: 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 11).
CAUTION: 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.
12Before You Begin
CAUTION: 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.
Before You Begin13
14Before You Begin
Computer Cover
WARNING: 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.
WARNING: To guard against electrical shock, always unplug your computer from
the electrical outlet before removing the cover.
WARNING: Do not operate your equipment with any cover(s) (including computer
CAUTION: Ensure that sufficient space exists to support the system with the
cover removed—at least 30 cm (1 ft.) of desk top space.
Removing the Computer Cover
1
Follow the procedures in "Before You Begin" on page 11.
2
Lay your computer on its side with the computer cover facing up.
3
Remove the two screws securing the cover, using a screwdriver.
3
Computer Cover15
1front of computer2computer cover3screws (2)
3
2
1
4
Release the computer cover by pulling it away from the front of the
computer and lifting it up.
5
Set the cover aside in a secure location.
NOTE: To remove the computer cover on the other side, lay the computer on its
side with the unremoved cover facing up, and then perform step 3 to step 5.
Replacing the Computer Cover
1
Ensure that all cables are connected, and fold cables out of the way.
2
Ensure that no tools or extra parts are left inside the computer.
3
Align the tabs at the bottom of the computer cover with the slots located
along the edge of the computer.
4
Press the computer cover down and slide it towards the front of the computer
until you feel a click or feel the computer cover securely installed.
16Computer Cover
5
3
4
1
2
Ensure that the cover is seated correctly.
6
Replace the two screws that secure the computer cover, using a screwdriver.
1front of the computer2computer cover
3screws (2)4slot
7
Place the computer in an upright position.
CAUTION: Ensure that none of the system air-vents are blocked. Blocking them
would cause serious thermal problems.
Computer Cover17
18Computer Cover
Front Bezel
WARNING: 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.
WARNING: To guard against electrical shock, always unplug your computer from
the electrical outlet before removing the cover.
WARNING: Do not operate your equipment with any cover(s) (including computer
Follow the procedures in "Before You Begin" on page 11.
2
Remove the computer cover from both the sides (see "Removing the
Computer Cover" on page 15).
3
Place the computer in an upright position.
4
Press out the six front bezel clamps to release it from the front panel.
4
Front Bezel19
5
Pull the front bezel away from the front of the computer to release it from
the front bezel inserts.
6
Set aside the front bezel in a secure location.
Replacing the Front Bezel
1
Align the clamps of the front bezel to the front panel and press it towards
the computer until the front bezel clamps snap into place.
2
Replace the computer cover on both the sides (see "Replacing the
Computer Cover" on page 16).
20Front Bezel
Memory Module(s)
2
1
WARNING: 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.
WARNING: To guard against electrical shock, always unplug your computer from
the electrical outlet before removing the cover.
WARNING: Do not operate your equipment with any cover(s) (including computer