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13.13. Energy Saver

The Energy Saver program helps you and your Mac in a number of ways. By blacking out the screen after a period of inactivity, it prolongs the life of your monitor. By putting the Mac to sleep half an hour after you've stopped using it, Energy Saver cuts down on electricity costs and pollution. On a laptop, Energy Saver extends the length of the battery charge by controlling the activity of the hard drive and screen. You even have the option to have your computer turn off each night automatically, and turn on again at a specified time in anticipation of your arrival at the desk.

13.13.1. Sleep Tab

The Energy Saver controls are very different on a laptop Mac and a desktop. On a desktop Mac, you see a pair of sliders; on a laptop, you have to click Show Details to see them (Figure 13-10).


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