How To: Adjust Screen Brightness on a Mac

I walk up to many Mac users and notice that their screens are very dim and the brightness seems to be turned down very low. Funny thing is that they have no idea! I couldn’t stand that for 5 seconds so I am clueless as to how they are working for hours that way.

Regardless, if you have found this article, you are most likely asking yourself the question “how can I adjust my screens brightness on my Mac?”. So here is a quick walk through to show you how to adjust the brightness on you Mac’s screen/display. And optionally keep it from Automatically changing.

Keyboard shortcuts:

  1. F1 will decrease brightness (you might need to hold the function key “fn”)
  2. F2 will increase brightness (you might need to hold the function key “fn”)
The long way:
  1. Open System Preferences by clicking on the Apple logo in the top left corner of your screen.
  2. Next you will want to go to the Display settings by clicking on the Display icon within System Preferences.
  3. Finally you will see the sliding bar across the bottom where you can adjust the brightness of your screen. Slide it to the right to make your screen brighter and slide it to the left to decrease the brightness of your screen. Also, if you would like to keep your Mac from automatically adjusting the brightness for you, you can uncheck that box at the bottom.
  4. If you want to go a step further to keep your screen from automatically adjusting, you can go back to your main System Preferences area and click on “Energy Saver”. From there you can uncheck the box that automatically reduces your screens brightness before going to sleep.

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