Managing low battery levels

The information in this section describes the alerts and system responses set at the factory. Some low- battery alerts and system responses can be changed using Power Options in Windows Control Panel. Preferences set using Power Options do not affect lights.

Identifying low battery levels

When a battery that is the sole power source for the computer reaches a low battery level, the battery light blinks.

If a low battery level is not resolved, the computer enters a critical battery level, and the battery light continues to blink.

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

CAUTION: To reduce the risk of losing information when the computer reaches a critical battery level and has initiated Hibernation, do not restore power until the power lights turn off.

Resolving a low battery level when external power is available

▲Connect one of the following devices:

●AC adapter

●Optional expansion product

●Optional power adapter

Resolving a low battery level when a charged battery is available

1.Turn off the computer or initiate Hibernation.

2.Remove the discharged battery, and then insert a charged battery.

3.Turn on the computer.

Resolving a low battery level when no power source is available

▲Initiate Hibernation.

– or –

Save your work and shut down the computer.

Managing low battery levels 13

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