Dell XPS 420 owner manual Before You Begin, Recommended Tools, Turning Off Your Computer

book.book Page 99 Tuesday, November 27, 2007 10:29 AM

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.

1Shut 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.

Removing and Installing Parts

99