Vista Change power management settings

You can choose basic power settings that can help you conserve energy or enhance your computer’s performance. You can also customize power settings for your computer hardware, such as the hard disk, display, and CPU, and for power-saving states, such as hibernation and sleep. These advanced settings help you fine-tune how your computer manages power.

Note Some settings are managed by your system administrator.
 

To change power management settings

1. Open Power Options by clicking the Start button, clicking Control Panel, clicking System and Maintenance, and then clicking Power Options.
2. On the Select a power plan page, click Change plan settings under the selected plan.
3. On the Change settings for the plan page, next to Turn off the display and Put the computer to sleep, choose the display and sleep settings that you want to use when your computer is running on battery and when it’s plugged in.
4. Click Change advanced power settings.
5. On the Advanced settings tab, expand the category that you want to customize, expand each setting that you want to change, and then choose the value that you want to use when your computer is running on battery and when it’s plugged in.Suppose that you frequently use a mobile PC to give presentations, and you want the display to stay on during the presentations. Consequently, you also want the mobile PC to stay awake while you give your presentations.

To keep the display on during presentations

  • Expand Display, expand Turn off display after, click On battery or Plugged in, and then click the arrow to change the setting to Never. You can also type the word Never in the box.

To prevent the mobile PC from going to sleep during presentations

  • Expand Sleep, expand Sleep after, click On battery or Plugged in, and then click the arrow to change the setting to Never. You can also type the word Never in the box.

 

Click OK, and then click Save changes.

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Microsoft Knowledge Base Article

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