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Before You Begin | 9

Before You Begin

Turn Off Your Computer and Connected Devices

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 Shut down your computer.

Windows 8:

a Point your mouse pointer to the upper-right or lower-right corner of the

screen to open the Charms sidebar.

b In the Charms sidebar, click Settings→ Power→ Shut down.

Windows 7:

Click Start and click Shut down.

Microsoft Windows shuts down and then the computer turns off.

NOTE: If you are using a different operating system, see the documentation

of your operating system for shut-down instructions.

3 Disconnect your computer and all attached devices from their electrical outlets.

4 Disconnect all telephone cables, network cables, and attached devices from your

computer.

5 After you unplug all the cables from the computer, press and hold the power

button for 5 seconds to ground the system board.

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Dell 17-3721 Bedienungshandbuch Seite 9