Before You Begin 9
1
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 9
and "Before Working Inside Your Computer" on page 10.
• You have read the safety information in the Dell™
Product I nformat ion
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
• Hex nut driver
• 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
Save and close all open files and exit all open programs.
2
Shut down the operating system:
Windows
®
XP:
Click
Start
→
Shut Down
→
Shut down
.