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5.
Press and hold the power button while the computer is unplugged to ground the system board.
6.
Remove the cover.
CAUTION: Before touching anything inside your computer, ground yourself by touching an unpainted metal
surface, such as the metal at the back of the computer. While you work, periodically touch an unpainted
metal surface to dissipate static electricity, which could harm internal components.
Turning off your computer
Turning off your computer — Windows 8
CAUTION: To avoid losing data, save and close all open files and exit all open programs before you turn off your
computer.
1.
Turning off your computer:
•
In Windows 8 (using a touch enabled device):
1.
Swipe in from the right edge of the screen, opening the Charms menu and select Settings.
2.
Tap
and then tap Shut down
•
In Windows 8 (using a mouse):
1.
Point to upper-right corner of the screen and click Settings.
2.
Click
and then click Shut down.
2.
Ensure that the computer and all 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 about 6
seconds to turn them off.
Turning off your computer — Windows 7
CAUTION: To avoid losing data, save and close all open files and exit all open programs before you turn off your
computer.
1.
Click Start.
2.
Click Shut Down.
NOTE: Ensure that the computer and all 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 about 6 seconds to turn them off.
After working inside your computer
After you complete any replacement procedure, ensure that you connect any external devices, cards, and cables before
turning on your computer.
1.
Replace the cover.
CAUTION: To connect a network cable, first plug the cable into the network device and then plug it into the
computer.
2.
Connect any telephone or network cables to your computer.
3.
Connect your computer and all attached devices to their electrical outlets.
6
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