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Chapter 29. Customizing via Control Pane... > Display Properties Energy Usage

Display Properties Energy Usage

In Chapter 28, you found out a great deal about changing the display properties. What you didn't learn about was the energy settings, also known as Energy Star options. Energy Star monitors require an Energy Star-compatible video card in the computer to work properly, but most modern ones comply. With complying hardware, you can cut your energy bill and reduce wear on your CRT by having the screen power down after a predetermined period of inactivity.

Powering down is particularly important for LCD monitors because their backlights have a finite lifetime. CRTs are the gas-guzzlers of computers, consuming far more energy than the typical computer box. A typical computer consumes about 50 watts of power, whereas a CRT at full tilt is more on the order of 120 to 150 watts. In the suspend state, most 17-inch monitors consume only 8 to 10 watts. That's a big difference.


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