Change the power settings

For ENERGY STAR® compliant computers, the following power plan takes effect when your computer has been idle for a specified duration:
To reset the power plan:
  1. Go to Control Panel and view by Large icons or Small icons.

  2. Click Power Options.

  3. Choose or customize a power plan of your preference.

To reset the power button function:
  1. Go to Control Panel and view by Large icons or Small icons.

  2. Click Power Options, and then click Choose what the power buttons do on the left pane.

  3. Change the settings as you prefer.