NOTE: For additional information about the power meter, refer to Using the power meter on page 24.

The computer takes the following actions for a critical battery level:

If Hibernation is enabled and the computer is on or in the Sleep state, the computer initiates Hibernation.

If Hibernation is disabled and the computer is on or in the Sleep state, the computer remains briefly in the Sleep state, and then shuts down and loses any unsaved information.

Resolving a low battery level

Resolving a low battery level when external power is available

Connect one of the following devices:

AC adapter

Optional docking or expansion device

Optional power adapter purchased as an accessory from HP

Resolving a low battery level when a charged battery is available

1.Turn off the computer or initiate Hibernation.

2.Replace the discharged battery with a charged battery.

3.Turn on the computer.

Resolving a low battery level when no power source is available

Initiate Hibernation.

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.Replace the discharged battery with a charged battery, or connect the AC adapter to the computer and to external power.

2.Exit Hibernation by pressing the power button.

Conserving battery power

Select low power-use settings through Power Options in Windows Control Panel.

Turn off wireless and LAN connections and exit modem applications when you are not using them.

Disconnect unused external devices that are not plugged into an external power source.

Stop, disable, or remove any external media cards that you are not using.

Using battery power 29

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HP LQ164AW, WX557AV, LQ174AW, LJ527UT manual Conserving battery power, Resolving a low battery level