Removing and Installing Parts 77
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 page77 and "Before Working
Inside Your Computer" on page78.
• You have read the safety information in your Dell™
Product Information Guide.
• A component can be replaced 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
• Flash BIOS update program (download from
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
Shut down the operating system:
a
Save and close any open files, exit any open programs, click
Start
, and then click
Turn Off
Computer
.
b
In the
Turn off computer
window, click
Turn of f
.
The computer turns off after the operating system shutdown process finishes.
2
Ensure that the computer and any attached devices are turned off. If your computer and attached
devices did not automatically turn off when you shut down your operating system, press and hold
the power button for 4 seconds.
DIM_book.book Page 77 Monday, October 15, 2007 11:04 AM