Managing Low Battery Levels; Identifying Low Battery Levels; Resolving A Low Battery Level; Resolving A Low Battery Level When External Power Is Available - HP ProBook 4525s - Notebook PC Reference Manual

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 or critical battery level, the
following behavior occurs:
●
The battery light (select models only) indicates a low or critical battery level.
NOTE:
– or –
●
The power meter icon in the notification area shows a low or critical battery notification.
NOTE:
on page
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.
28 Chapter 4 Power management
For additional information about the battery light, refer to the Getting Started guide.
For additional information about the power meter, refer to
23.
Using the power meter