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Use Command-F1 to quickly switch between mirrored and non-mirrored displays

posted May 25, 2011, 10:03 AM by Shanon Doah
Looking for a really fast way to switch between mirroring (same on both screens) and extended desktop (one screen becomes an extension of the other, when mirroring is off) modes when using more than one display with your Mac?  Simply use Command-F1 keyboard shortcut.

How to do this:
  • Hold down the Command key
  • While holding Command, press F1
  • Let go of F1
  • Then, let go of the Command key.
This instantly switches mirroring on/off.  This is useful if, for example, you've connected your MacBook to an external display (like a projector, monitor, or TV) and you want to see the same thing on both screens, but after connecting the Mac to the projector/TV/monitor, you only see a desktop background image (like this) on one of the screens.

You can also turn mirroring on and off in System Preferences, or, you can add a Displays menu to your menu bar and turn mirroring on/off from the menu (click here to see how), but Command-F1 is the quickest way.
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Shanon Doah,
May 25, 2011, 10:43 AM
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Shanon Doah,
May 25, 2011, 10:43 AM
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