User's Manual

Troubleshooting
If the screen is blank but you have not turned off the computer, one or
more of these settings may be the cause:
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The device may be in the Sleep state. To exit Sleep, briefly press the power
button. Sleep is an energy-saving feature that turns off the display. Sleep can be
initiated by the system while the computer is on but is not in use, or when the
computer has reached a low battery level. To change these and other power
settings, right-click the Battery icon on the Windows desktop in the notification
area, at the far right of the taskbar, and then click Preferences.
Software is functioning abnormally
If the software is unresponsive or responds abnormally, restart the
computer by point/touch to the right side of the screen. When the charms
display, click Settings. Click the Power icon, and then click Shut down. If
you cannot restart the computer using this procedure, see the previous
section, The computer is on but not responding.
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