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When charging or calibrating a battery
●
When installing or modifying system software
●
When performing a backup or recovery
●
When you connect the tablet to external AC power:
The battery begins to charge.
●
The screen brightness increases.
●
The power meter icon on the Windows desktop changes appearance.
●
When you disconnect external AC power, the following events occur:
The tablet switches to battery power.
●
The screen brightness automatically decreases to save battery life.
●
The power meter icon on the Windows desktop changes appearance.
●
Troubleshooting power problems
Test the AC adapter if the tablet exhibits any of the following symptoms when it is connected to AC
power:
The tablet does not turn on.
●
The display does not turn on.
●
The power lights are off.
●
To test the AC adapter:
1.
Shut down the tablet.
2.
Connect the AC adapter to the tablet, and then plug it into an AC outlet.
3.
Turn on the tablet.
If the power lights turn
●
If the power lights remain
●
the connection from the AC adapter to the AC outlet to be sure that the connections are
secure.
If the connections are secure and the power lights remain
●
functioning and should be replaced.
Contact support for information about obtaining a replacement AC power adapter.
Shutting down (turning off) the tablet
CAUTION:
before shutting down the tablet.
The Shut down command closes all open programs, including the operating system, and then turns
off the display and tablet.
Shut down the tablet under any of the following conditions:
on
, the AC adapter is working properly.
Unsaved information is lost when the tablet shuts down. Be sure to save your work
off
, check the connection from the AC adapter to the tablet and
off
, the AC adapter is not
Shutting down (turning off) the tablet
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