Compaq Evo n800c Hardware Guide, Compaq Notebook Series - Page 54

Managing Low-Battery Conditions

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Battery Packs Managing Low-Battery Conditions Some low-battery condition alerts and system responses can be changed in the Power Options window of the operating system. The information in this section describes the alerts and system responses set at the factory. Preferences set in the Power Options window do not affect lights. Identifying Low-Battery Conditions Low-Battery Condition When a battery pack that is the sole power source available to the notebook reaches a low-battery condition (10 percent of a full charge), the battery light blinks. Critical Low-Battery Condition If a low-battery condition is not resolved, the notebook enters a critical low-battery condition (1 percent of a full charge). In a critical low-battery condition: ■ If Hibernation is enabled and the notebook is on or in Standby, the notebook initiates Hibernation. ■ If Hibernation is disabled and the notebook is on or in Standby, the notebook remains briefly in Standby, then shuts down and loses your unsaved work. Hibernation is enabled at the factory. To verify that Hibernation has not been disabled, be sure that the Enable Hibernate Support check box on the Hibernate tab is selected. To access the tab: ■ In Windows 2000 Professional, select Start > Settings > Control Panel. Double-click Power Options. ■ In Windows XP Home or Windows XP Professional, select Start > Control Panel > Performance and Maintenance > Power Options icon. 3-10 Hardware Guide

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3–10
Hardware Guide
Battery Packs
Managing Low-Battery Conditions
Some low-battery condition alerts and system responses can be
changed in the Power Options window of the operating system.
The information in this section describes the alerts and system
responses set at the factory. Preferences set in the Power Options
window do not affect lights.
Identifying Low-Battery Conditions
Low-Battery Condition
When a battery pack that is the sole power source available to the
notebook reaches a low-battery condition (10 percent of a full
charge), the battery light blinks.
Critical Low-Battery Condition
If a low-battery condition is not resolved, the notebook enters a
critical low-battery condition (1 percent of a full charge).
In a critical low-battery condition:
■
If Hibernation is enabled and the notebook is on or in
Standby, the notebook initiates Hibernation.
■
If Hibernation is disabled and the notebook is on or in
Standby, the notebook remains briefly in Standby, then shuts
down and loses your unsaved work.
Hibernation is enabled at the factory. To verify that Hibernation
has not been disabled, be sure that the Enable Hibernate Support
check box on the Hibernate tab is selected. To access the tab:
■
In Windows 2000 Professional, select Start > Settings >
Control Panel. Double-click Power Options.
■
In Windows XP Home or Windows XP Professional, select
Start > Control Panel > Performance and Maintenance >
Power Options icon.