How to change Power Settings on a MacBook

Description: To extend the life of the MacBook battery, change the settings to best adjust to normal usage.

  1. Click the System Preferences icon along the dock.
  2. Click Energy Saver.
  3. This will display the power settings for the computer. The default settings that appear are for when the computer is on battery. Slide to adjust the settings to the desired length of time.
  4. Click the Power Adapter tab and repeat the process for the settings for when the computer is plugged in.
  5. When completed, click the Lock in the bottom left to prevent unauthorized changes from being made.

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