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Adding and Replacing Parts 151
12
Adding and Replacing Parts
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 151
and "Before Working Inside Your Computer" on page 152.
• 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
• Small Phillips screwdriver
• Small plastic scribe
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 the Microsoft
®
Windows
®
XP operating system
, click
Start
→
Shut
Down
→
Shut down
.