Resolving a low battery level

Resolving a low battery level when external power is available

Connect an AC adapter.

Connect an optional docking or expansion device.

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 computer.

Resolving a low battery level when the computer cannot exit Hibernation

When the computer lacks sufficient power to exit Hibernation, follow these steps:

1.Connect the AC adapter to the computer and to external power.

2.Exit Hibernation by pressing the power button.

Running on external AC power

For information on connecting to AC power, refer to the Setup Instructions poster provided in the computer box.

The computer does not use battery power when the computer 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 computer, a replacement AC adapter provided by HP, or a compatible AC adapter purchased from HP.

Connect the computer to external AC power under any of the following conditions: WARNING! Do not charge the computer battery while you are onboard aircraft.

When charging or calibrating a battery

When installing or modifying system software

When writing information to a disc (select models only)

When running Disk Defragmenter on computers with internal hard drives

When performing a backup or recovery

When you connect the computer to external AC power:

The battery begins to charge.

The display brightness increases.

The power meter icon on the Windows desktop changes appearance.

Running on external AC power 47