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CHAPTER 4: INSTALLING AND REPLACING COMPONENTS
67
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 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 at least 8to10 seconds until the computer
turns off.