Dell Alienware Area 51 (Late 2009) - Manual (Page 36)

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CHAPTER 5: INSTALLING ADDITIONAL OR REPLACEMENT COMPONENTS
Before You Begin
This 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 Off 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.
Turning Off Your Desktop
CAUTION: To avoid losing data, save and close all open files and exit all
open programs before you turn off your desktop.
Save and close all open files and exit all open programs. 1.
Click 2. Start → Shut Down.
The desktop turns off after the operating system shutdown process finishes.
Ensure that the desktop and any attached devices are turned off. If your
3.
desktop and attached devices do not automatically turn off when you shut
down your operating system, press and hold the power button for at least
8 to 10 seconds until the desktop turns off.