How do I Duplicate or Extend my Mac laptop display to a Projector? : Eastern Washington University

How do I Duplicate or Extend my Mac laptop display to a Projector?

Modified on: Thu, Oct 7, 2021 9:39 AM

Ensure your laptop is selected from the touch screen or push button controller, and adapter/cable connections are secure (HDMI or VGA).

Choose Apple menu > System Preferences, click Displays, then click Display. Open the Display pane for me.
Click Arrangement, then select Mirror Displays to DUPLICATE laptop and projector output. Or de-select Mirror Displays to extend displays (two outputs for laptop and projector).
Adjust resolutions as needed for best quality output.

Shortcut key to accomplish this: Command + F1

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