HP Pavilion dm1-4211nr Entertainment Notebook PC - Manual (Page 40)

Maximizing battery life
To maximize battery life:
1. Select Computer > Control Center > Power Management.
2. On the On Battery Power tab:
● Adjust the slider to the right of Put computer to sleep when inactive for to 10 minutes.
● Select the Suspend or Hibernate option to the right of When laptop lid is closed.
● Select the Hibernate or Shutdown option to the right of When battery power is critically
low.
3. Adjust the slider to the right of Put display to sleep when inactive for to 6 minutes, and select
the check box next to Reduce backlight brightness.
4. Click Close.
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 Management in Control
Center. Preferences set using Power Management 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:
● If Hibernation is enabled and the computer is on or in Suspend, the computer initiates
Hibernation.
● If Hibernation is disabled and the computer is on or in Suspend, the computer remains briefly in
Suspend, 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 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.
30 Chapter 6 Power management