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MCSA/MCSE Self-Paced Training Kit (Exam 70-270): Installing ...

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5-14 Chapter 5 Configuring Windows XP Professional<br />

Note Your hardware must support powering off the monitor and hard disk for you to configure<br />

power schemes. Almost all modern monitors and hard disks support this feature. However,<br />

some applications (particularly older applications) do not respond well to monitors and<br />

hard disks being turned off, causing loss of data or even crashing.<br />

Power schemes allow you to configure Windows XP Professional to turn off the<br />

power to your monitor and your hard disk, conserving energy. In the Power Options<br />

Properties dialog box, click the Power Schemes tab. Windows XP Professional provides<br />

the following six built-in power schemes:<br />

■ Home/Office Desk This power scheme is designed for a desktop computer.<br />

After 20 minutes of inactivity, the monitor is turned off, but the hard disks are never<br />

turned off.<br />

■ Portable/Laptop This power scheme is optimized for portable computers that<br />

will be running on batteries. After 15 minutes of inactivity, the monitor is turned<br />

off; after 30 minutes of inactivity, the hard disks are turned off.<br />

■ Presentation This power scheme is designed for use with presentations for<br />

which the computer display is always to remain on. The monitor and the hard<br />

disks are never turned off.<br />

■ Always On This power scheme is designed for use with personal servers. After<br />

20 minutes of inactivity, the monitor is turned off, but the hard disks are never<br />

turned off.<br />

■ Minimal Power Management This power scheme disables some power management<br />

features such as timed hibernation. After 15 minutes of inactivity, the<br />

monitor is turned off, but the hard disks are never turned off.<br />

■ Max Battery This power scheme is designed to conserve as much battery power<br />

as possible. After 15 minutes of inactivity, the monitor is turned off, but the hard<br />

disks are never turned off.<br />

To select a power scheme, use the following steps:<br />

1. Ensure that you are logged on with a user account that is a member of the Administrators<br />

local group.<br />

2. Click Start, click Control Panel, and then click Performance And Maintenance.<br />

3. Click Power Options.<br />

Windows XP Professional displays the Power Options Properties dialog box with<br />

the Power Schemes tab active.<br />

4. Click the arrow at the end of the Power Schemes box to display the pull-down<br />

menu listing the available power schemes. Click the power scheme you want to use.<br />

5. Click OK to close the Power Options Properties dialog box.

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