HP pavilion n5400 服务手册
Traveling with Your Computer
Managing Power Consumption
Managing Power Consumption
50 Reference
Guide
Managing Power Consumption
When you are not using your computer, you will want to maximize battery operating
time without compromising performance. It is not necessary to turn the computer off in
order to reduce power consumption and extend battery life.
time without compromising performance. It is not necessary to turn the computer off in
order to reduce power consumption and extend battery life.
Windows uses Advanced Configuration and Power Interface (ACPI) to provide manual
and automated tools for reducing power consumption.
and automated tools for reducing power consumption.
• You can set power management options to occur automatically, based on timeout
values entered.
• You can also invoke power management options manually at any time by pressing the
appropriate key. See “To use manual power management,” below.
To use automated power management
System hibernation, standby, monitor, and hard disk timeouts automatically occur based
on the values set under Power Options in Control Panel. The following tables describe
the power management timeouts you can set in Windows.
on the values set under Power Options in Control Panel. The following tables describe
the power management timeouts you can set in Windows.
System hibernation
Action
Saves current session to disk, then shuts
down. Provides maximum power savings
while still allowing you to recover the
current session.
down. Provides maximum power savings
while still allowing you to recover the
current session.
When
After being in standby for the specified
interval.
-OR-
Critically low battery.
interval.
-OR-
Critically low battery.
Resume
Press the blue standby button to recover
your current session. This may take
several minutes.
your current session. This may take
several minutes.
When battery power reaches a critically low level, see “To respond to a low-battery
warning” on page 55.
warning” on page 55.