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Windows® 7 Visual™ Quick Tips by Paul McFedries

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11.2. Create a Custom Power Plan to Improve Battery Life

You can improve your notebook PC's battery life or increase your productivity by creating a custom power plan that suits the way you work.

When you use a notebook PC on battery power, you always have to choose between increased battery life and computer performance. For example, to increase battery life, Windows 7 shuts down components such as the display and the hard disk after a short time. This reduces the performance of the notebook because you have to wait for these components to come back on again before you can return to work. Conversely, to increase notebook performance, Windows 7 waits longer to shut down components, which uses up more battery power. These two extremes are controlled ...

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