User's Manual

Resolving a low battery level
Resolving a low battery level when external power is available
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Connect an AC adapter.
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Connect an optional power adapter purchased as an accessory from HP.
Resolving a low battery level when no power source is available
Save your work and shut down the tablet.
Resolving a low battery level when the tablet cannot exit Hibernation
When the tablet lacks sufficient power to exit Hibernation, follow these steps:
1. Connect the AC adapter to the tablet and to external power.
2. Exit Hibernation by pressing the power button.
Running on external AC power
For information about connecting to AC power, refer to the Setup Instructions poster provided in the tablet
box.
The tablet does not use battery power when the tablet is connected to AC external power with an approved
AC adapter or an optional docking/expansion device.
WARNING! To reduce potential safety issues, use only the AC adapter provided with the tablet, a
replacement AC adapter provided by HP, or a compatible AC adapter purchased from HP.
Connect the tablet to external AC power under any of the following conditions:
WARNING! Do not charge the tablet battery while you are onboard aircraft.
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When charging or calibrating a battery
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When installing or modifying system software
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When writing information to a disc (select models only)
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When performing a backup or recovery
When you connect the tablet to external AC power:
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The battery begins to charge.
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The screen brightness increases.
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The power meter icon on the Windows desktop changes appearance.
When you disconnect external AC power, the following events occur:
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The tablet switches to battery power.
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The screen brightness automatically decreases to save battery life.
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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:
Running on external AC power 27