Sams Teach Yourself Microsoft Windows XP in 24 Hours

Sams Teach Yourself Microsoft Windows XP in 24 Hours

By Greg Perry

A Word About Power

Depending on the support your laptop manufacture provides, you might have some or a lot of control over how much power your laptop consumes over time. Power consumption is an important issue for laptop users due to the limited storage of laptop batteries.

When you open your Control Panel and select Power Options, you'll see a window similar to the Power Options Properties window in Figure 17.6. From this window, you can select the power scheme that best suits the way you work. If you change the option to Always On, your laptop battery will be utilized to its fullest because Windows XP will always keep your monitor on and your hard disks spinning. By selecting other options, you can control how long your keyboard sits idle because Windows XP stops your hard disk and blanks out your monitor to save battery life. When you press any key, after one of these power-saving features starts, you will notice a pause while Windows XP brings the disk back to its full speed or powers the monitor once again.

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Figure 17.6 Windows XP supports various power- management options.

Other options that appear in your Power Options Properties window are determined by your laptop's abilities. For example, most laptops can go into a hibernate mode whereby your work session including all open windows and programs and loaded data are stored to your laptop's disk drive before the power goes off. You then can quickly return to the place you last were. The hibernate feature is useful when you need to stop using your laptop but then return to finish what you were doing before. By entering a hibernate mode instead of closing all your windows and then turning off your laptop, your laptop will power on back to the power where you turned it off; you won't have to restart any programs to return to your work.

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