DELL NX046 User Manual

Adding and Replacing Parts

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 

• You have read the safety information in the Dell™ Product Information 

• A component can be replaced or—if purchased separately—installed by 

performing the removal procedure in reverse order.

The procedures in this document may require the following tools:

• Small flat-blade screwdriver
• Small Phillips screwdriver
• Small plastic scribe

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:

Save and close all open files and exit all open programs.

 XP operating system, click Start→ Shut 

Down→ Shut down.