Reproduction of these materials in any manner whatsoever without the written permission of Dell Inc.
is strictly forbidden.
®
Trademarks used in this text: Dell™ and the DELL logo are trademarks of Dell Inc. Alienware
registered trademark of Alienware Corporation. Microsoft
logo 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.
CAUTION: To avoid losing data, save and close all open files and exit all open
programs before you turn off your computer.
1
Save and close all open files and exit all open programs.
2
Click
Start
and click
Microsoft Windows shuts down and then the computer turns off.
NOTE: If you are using a different operating system, see the documentation of
your operating system for shut-down instructions.
3
Disconnect your computer and all attached devices from their electrical
outlets.
4
Disconnect all telephone cables, network cables, and attached devices
from your computer.
5
Press and hold the power button, while the computer is unplugged, to
ground the system board.
Shut Down
.
Safety Instructions
Use the following safety guidelines to protect your computer from potential
damage and ensure your 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 dell.com/regulatory_compliance.
CAUTION: To avoid damaging the computer, ensure that the work surface is flat
and clean.
CAUTION: To avoid damaging the components and cards, handle them by their
edges and avoid touching pins and contacts.
WARNING: Disconnect all power sources before opening the computer cover or
panels. After you finish working inside the computer, replace all covers, panels,
and screws before connecting to the power source.
Before you Begin13
CAUTION: Only a certified service technician is 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.
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.
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 or
thumb-screws that you must disengage before disconnecting the cable. When
disconnecting cables, keep them evenly aligned to avoid bending any connector
pins. When connecting cables, ensure that the connectors and ports are correctly
oriented and aligned.
CAUTION: To disconnect a network cable, first unplug the cable from your
computer and then unplug the cable from the network device.
Recommended Tools
The procedures in this document may require the following tools:
•Small Phillips screwdriver
•Hex nut driver
•Flash BIOS executable update program available at
support.dell.com
14Before you Begin
4
After Working Inside Your Computer
After you complete replacement procedures, ensure the following:
•Replace all screws and ensure no stray screws remain inside your computer
•Connect any external devices, cables, cards, and any other part you
removed before working on your computer
•Connect your computer and all attached devices to their electrical outlets
CAUTION: Before turning on your computer, replace all screws and ensure that
no stray screws remain in the computer. Failure to do so may damage your
computer.
•Turn on your computer.
After Working Inside Your Computer15
16Before you Begin
Technical Overview
7
1
8
11
9
10
2
3
4
5
6
WARNING: Before working inside your computer, read the safety information
that shipped with your computer and follow the steps in "Before You Begin" on
page 13. For additional safety best practices information, see the Regulatory
Compliance Homepage at dell.com/regulatory_compliance.
Front View of Your Computer
1
Technical Overview17
1AlienHead/drive-panel open button 2optical drive
1
2
3
4
5
6
7
89
10
11
12
3optical-drive eject button4optical-drive bay
5media-card reader/optical-drive bay 6drive panel (open)
1System fan connector (SYS FAN)2CPU fan connector (CPU FAN)
3Temperature sensor connector
(TEMP SENSOR)
5CPU pump connector (CPU PUMP)
4Memory fan connector
(MEM FAN)
Technical Overview23
24Technical Overview
Left Side-Panel
WARNING: Before working inside your computer, read the safety information
that shipped with your computer and follow the steps in "Before You Begin" on
page 13. For additional safety best practices information, see the Regulatory
Compliance Homepage at dell.com/regulatory_compliance.
CAUTION: Ensure that sufficient space exists to support the computer with the
computer cover removed—at least 30 cm (1 ft.) of desk top space.
Removing the Left Side-Panel
NOTE: Ensure that you remove the security cable from the security cable slot (if
applicable).
1
Slide the security-cable slot latch to the unlocked position.
2
Lift the release panel to open the left side-panel.
3
Pull and lift the left side-panel away from the chassis.
NOTE: Theater lighting (available only in ALX chassis) turns on automatically when
the left side-panel is removed.
2
Left Side-Panel25
1
2
3
4
1 release panel2 security-cable slot
3 security-cable slot latch4 left side-panel
26Left Side-Panel
Replacing the Left Side-Panel
1
Align the tabs on the left side-panel with the slots on the left side of the
computer and push the panel to lock it in place.
2
Slide the security-cable slot latch to locked position.
3
Follow the steps in "After Working Inside Your Computer" on page 15.
Left Side-Panel27
28Left Side-Panel
Hard Drive(s)
WARNING: Before working inside your computer, read the safety information
that shipped with your computer and follow the steps in "Before You Begin" on
page 13. For additional safety best practices information, see the Regulatory
Compliance Homepage at dell.com/regulatory_compliance.
WARNING: If you remove the hard drive from the computer when the drive is hot,
do not touch
CAUTION: To avoid data loss, do not remove the hard drive while the computer is
on or in Sleep state.
CAUTION: Hard drives are extremely fragile. Exercise care when handling the
hard drive.
Prerequisites
1
Remove the left side-panel. See "Removing the Left Side-Panel" on
page 25.
Removing the Hard Drive(s)
1
Press the release tabs to release the hard drive assembly from the computer.
2
Slide and remove the hard drive from the hard-drive cage.
the metal housing of the hard drive.
3
NOTE: Repeat steps 1 and 2 to remove any other installed hard drives.
Hard Drive(s)29
1 release tabs (2)2 hard-drive
1
2
3
3 hard-drive cage
Replacing the Hard Drive(s)
1
Slide the hard drive into the hard-drive cage until the release tabs snap
into place.
Postrequisites
1
Replace the left side-panel. See "Replacing the Left Side-Panel" on
page 27.
30Hard Drive(s)
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