Users Guide
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CHAPTER 5: INSTALLING ADDITIONAL OR REPLACEMENT COMPONENTS
Before You Begin
is section provides procedures for removing and installing the components in
your desktop. Unless otherwise noted, each procedure assumes that the following
conditions exist:
You have performed the steps in “Turning O Your Desktop” and “Before •
Working Inside Your Desktop” in this section.
You have read the safety information that shipped with your desktop.•
A component can be replaced or—if purchased separately—installed by •
performing the removal procedure in reverse order.
e procedures in this section may require the following tools:
Small at-blade screwdriver•
Phillips screwdriver•
BIOS executable update program available at • support.dell.com
Turning O Your Desktop
CAUTION: To avoid losing data, save and close all open les and exit all
open programs before you turn o your desktop.
Save and close all open les and exit all open programs. 1.
Click 2. Start → Shut Down.
e desktop turns o after the operating system shutdown process nishes.
Ensure that the desktop and any attached devices are turned o. If your 3.
desktop and attached devices do not automatically turn o when you shut
down your operating system, press and hold the power button for at least
8 to 10 seconds until the desktop turns o.