Trademarks used in this text: Dell™, the DELL logo, and XPS™ are trademarks of Dell Inc.
Microsoft
trademarks of Microsoft Corporation in the United States and/or other countries. Bluetooth
registered trademark owned by Bluetooth SIG, Inc. and is used by Dell under license.
2012 - 10Rev. A01
®
, Windows®, and the Windows start b utton logo are either trademarks or registered
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
Follow the instructions to shut down your computer based on the
operating system installed on your computer.
•Windows 8:
Move your mouse pointer to the upper-right or lower-right corner of
the screen to open the Charms sidebar, and then click
Power
•
Windows 7
Click
→
Shutdown
:
Start
and click
.
Shut Down
.
Settings→
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.
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.
Before you Begin13
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.
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.
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
2
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
16After Working Inside Your Computer
Technical Overview
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: 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 Computer Cover
NOTE: Ensure that you remove the security cable from the security cable slot (if
applicable).
1
Lay the computer on its side with the computer cover facing up.
2
Remove the thumbscrew that secures the computer cover to the chassis,
using a screw driver, if necessary.
4
3
Release the computer cover by sliding it away from the front of the
computer.
4
Lift the cover away from the computer and set it aside in a secure location.
Computer Cover23
1thumbscrew2computer cover
2
1
24Computer Cover
Replacing the Computer Cover
1
2
3
1
Connect all the cables and fold the 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 chassis.
4
Press the computer cover down and slide it towards the front of the computer.
5
Replace the thumbscrew that secures the computer cover to the chassis.
1thumbscrew2slots
3computer cover
6
Place the computer in an upright position.
7
Follow the steps in "After Working Inside Your Computer" on page 15.
Computer Cover25
26Computer Cover
Memory Module(s)
1
2
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.
Prerequisites
1
Remove the computer cover. See "Removing the Computer Cover" on
page 23.
Removing Memory Module(s)
WARNING: The memory module(s) may become very hot during normal operation.
Allow the memory module(s) to cool before touching them.
5
1
Push the securing clips away from the memory module.
2
Grasp the memory module and then gently ease the memory module out
of the memory-module connector.
1securing clip2memory-module connector
Memory Module(s)27
Replacing Memory Module(s)
CAUTION: If the memory module is not installed correctly, your computer may not
boot.
CAUTION: If you remove the original memory module(s) from your computer
during a memory upgrade, keep them separate from any new module(s) that you
may have, even if you purchased the new module(s) from Dell. If possible, do not
pair an original memory module with a new memory module. Otherwise, your
computer may not start properly. The recommended memory configurations are:
matched memory modules installed in DIMM connectors 1 and 2 and another
matched memory modules installed in DIMM connectors 3 and 4.
Recommended memory configuration:
Type
1600 MHz DDR3Slots 1 and 2 or slots 1 through 4
28Memory Module(s)
Slots
1
1
2
4
3
1
Align the notch on the bottom of the memory module with the tab on the
memory-module connector.
1memory module2notch
3tab4cutouts (2)
CAUTION: To avoid damage to the memory module, press the memory module
straight down into the connector while you apply equal force to each end of the
memory module.
2
Insert the memory module into the memory-module connector until the
memory module snaps into position and the securing clip locks in place.
1securing clip (snapped in position)
Memory Module(s)29
Postrequisites
1
Replace the computer cover. See "Replacing the Computer Cover" on
page 25.
2
Follow the steps in "After Working Inside Your Computer" on page 15.
30Memory Module(s)
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