This wikiHow will teach you how to set your desktop Mac computer to restart after a power failure.

Steps

  1. 1
    Open System Preferences. There are two ways of doing this:
    • Click on the Apple Menu in the top left-hand corner and select System Preferences....
    • Open System Preferences from its icon in the Dock.
  2. 2
    Click "Energy Saver".
    Advertisement
  3. 3
    Select the “Power” tab.
  4. 4
    Check the checkbox next to “Start up automatically after a power failure”.
  5. Advertisement

Community Q&A

  • Question
    How can I get my iMac to power up after power outage?
    Community Answer
    Community Answer
    Try plugging it back in and turning it on. If you heard a pop, it's a failure in the PSU.
Advertisement

Warnings

Advertisement

About This Article

Tested by:
wikiHow Technology Team
wikiHow is a “wiki,” similar to Wikipedia, which means that many of our articles are co-written by multiple authors. To create this article, volunteer authors worked to edit and improve it over time. This article has been viewed 55,983 times.
How helpful is this?
Co-authors: 3
Updated: March 29, 2019
Views: 55,983
Categories: Mac OS X
Advertisement