Recommended Tools
The procedures in this document may require the following tools:
•Small
•Phillips screwdriver
•Plastic scribe
CHAPTER 1: BEFORE YOU BEGIN
Turning Off Your Computer
CAUTION: To avoid losing data, save and close all open files and exit all open programs before you turn off your computer.
1.Save and close all open files and exit all open programs.
2. In Microsoft® Windows®, click Start 
, click the arrow , and then click Shut Down.
The computer turns off after the operating system shutdown process finishes.
3.Ensure that the computer is turned off. If your computer did not automatically turn off when you shut down the operating system, press and hold the power button until the computer turns off.
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