Dell PP22L Adding and Replacing Parts

Adding and Replacing Parts 161
13
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 161
and "Before Working Inside Your Computer" on page 162.
• You have read the safety information in your 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
• Flash BIOS update (see the Dell Support website at
support.dell.com )
Turning Off Your Computer
NOTICE: To avoid losing data, save and close any open files and exit any 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 .