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. Right-click the battery status icon and select Power Options.

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

To reset the power button function:
  1. Right-click the battery status icon and select Power Options > Change what the power buttons do.

  2. Change the settings as you prefer.