How to toggle projection settings (Mac)

Follow these instructions after you connect your MacBook Pro to a projector or second monitor at your desk.


  • Click on the Apple icon in the top left corner of the screen
  • Select System Preferences
  • Select Displays
  • Click on the Arrangement tab

Click Arrangement Tab

  • To use the projector or monitor as a secondary display (“extend” mode), uncheck the Mirror Displays box and drag the displays in the arrangement window.
  • Check the Mirror Displays box to duplicate the content on your laptop screen onto the projector or secondary monitor

Arrange your windows, or select "Mirror Displays"

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Last modified: March 29, 2019