Dell XPS 420 (Late 2007) - Manual (Page 99)

Removing and Installing Parts
99
Removing and Installing 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 99
and "Before Working Inside Your Computer" on page 100.
• You have read the safety information in your 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 any work in progress and exit all open
programs before turning 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 Vista™, click the Windows Vista Start button™,
, in the lower-left corner of the desktop, click the arrow in the
lower-right corner of the Start menu as shown below, and then click
Shut Down.
The computer turns off after the operating system shutdown process
is complete.
book.book Page 99 Tuesday, November 27, 2007 10:29 AM