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Before You Begin 111
15
Adding and Replacing Parts
Before You Begin
This section 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 111 and "Before Working
Inside Your Computer" on page 112.
• You have read the safety information in the Dell™
Product Information Guide.
• 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 the following tools:
• Small flat-blade screwdriver
• Phillips screwdriver
• Small plastic scribe
• Flash BIOS update program CD
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:
a
Save and close all open files and exit all open programs.
b
In Microsoft
®
Windows
®
XP
, click
Start
→
Shut Down
→
Shut down
.
In Microsoft Windows Vista
®
,
click the Windows Vista Start button, , click the arrow in
the lower-right corner of the Start menu as shown below, and then click
Shut Down
.