User's Manual

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CHAPTER 4: INSTALLING ADDITIONAL OR REPLACEMENT COMPONENTS
Before You Begin
is section provides procedures for removing and installing the components in
your laptop. Unless otherwise noted, each procedure assumes that the following
conditions exist:
• You have performed the steps in “Turning Off Your Computer” and “Before
Working Inside Your Computer” in this section.
• You have read the safety information that shipped with your computer.
• A component can be replaced or—if purchased separately—installed by
performing the removal procedure in reverse order.
Turning Off Your Computer
CAUTION: To avoid losing data, save and close all open les and exit all
open programs before you turn off your laptop.
1. Save and close all open les and exit all open programs.
2. Click Start → Shut Down.
e laptop turns off after the operating system shutdown process nishes.
3. Ensure that the computer is turned off. If your computer did not
automatically turn off when you shut down your operating system, press
and hold the power button until the computer turns off.