HP Pavilion xh575 HP Pavilion Notebook N5400 and XH500 Series PC's - Reference - Page 50

Managing Power Consumption

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Traveling with Your Computer Managing Power Consumption 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. Windows uses Advanced Configuration and Power Interface (ACPI) to provide manual 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. System hibernation Action When Resume Saves current session to disk, then shuts down. Provides maximum power savings while still allowing you to recover the current session. After being in standby for the specified interval. -ORCritically low battery. Press the blue standby button to recover 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. 50 Reference Guide

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Traveling with Your Computer
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.
Windows uses Advanced Configuration and Power Interface (ACPI) to provide manual
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.
System hibernation
Action
Saves current session to disk, then shuts
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.
Resume
Press the blue standby button to recover
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.