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Power Management
®
The Microsoft
Windows
computer uses when it is on and you are not using it. You can reduce power to just the monitor or the
hard drive, or you can use standby mode or hibernate mode to reduce power to the entire computer.
When the computer exits from a power conservation mode, the Windows desktop is restored to the state
it was in before it entered the mode.
NOTE:
Windows XP Professional includes security and networking features not available in Windows XP Home
Edition. When a Windows XP Professional computer is connected to a network, different options related to security
and networking appear in certain windows.
Standby Mode
Standby mode conserves power by turning off the display and the hard drive after a time-out. When the
computer exits from standby mode, it returns to the operating state it was in before it entered standby
mode.
To set standby mode to automatically activate after a defined period of inactivity:
1 Click the Start button, then click Control Panel.
2 If Switch to Category View appears in the Control Panel in the left of the window, click Switch to
Category View.
3 Under Pick a category, click Performance and Maintenance.
4 Under or pick a Control Panel icon, click Power Options.
5 Under the Power Schemes tab, change the settings in the drop-down boxes to those that you desire,
and then click OK.
To immediately activate standby mode without a period of inactivity, click the Start button, click Turn
Off Computer, and then click Stand by.
To exit from standby mode, press a key on the keyboard or move the mouse.
NOTICE:
If your computer loses power while in standby mode, it may lose data.
Hibernate Mode
Hibernate mode conserves power by copying system data to a reserved area on the hard drive and then
completely turning off the computer. When the computer exits from hibernate mode, the desktop is
restored to the state it was in before it entered hibernate mode.
To activate hibernate mode:
1 Click the Start button, then click Control Panel.
2 Under Pick a category, click Performance and Maintenance.
3 Under or pick a Control Panel icon, click Power Options.
4 Define your hibernate settings on the Power Schemes tab, Advanced tab, and Hibernate tab (see
"Power Options Properties" on page 22).
®
XP power management features can reduce the amount of electricity your
Setting Up and Using Your Computer
21
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