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Is it possible to put the display to sleep without putting the whole computer to sleep?

What is the keyboard command to sleep (or turn off) a display, but not actually put the computer to sleep?

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marked as duplicate by Daniel Lawson, Nathan Greenstein Jan 16 '12 at 3:20

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The keyboard command for sleeping all displays is Control ^ + Shift ⇧ + Eject ⏏ . This shortcut doesn't put the computer to sleep, but only shuts off the display.

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Doesn't work on the new MacBook Airs without an eject key. –  Daniel Lawson Jan 16 '12 at 2:42
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At the risk of sounding like a smart-ass, pressing the Power button on the display I wish to "sleep" works for me.

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he means turning off the display whilst the computer is still awake. For example to allow a long download to run overnight without the annoyance of the screen saver or whatever. –  XAleXOwnZX Jan 16 '12 at 2:43
    
Yes, I assumed that's what he meant, and my answer still stands. –  Garrett Albright Jan 22 '12 at 4:53
    
@GarrettAlbright Internal displays don't have separate power buttons and if they're like my work external monitor can cause the Mac to rearrange all the windows to the internal display that you then sleep. If you don't want that to happen, Control-Shift-Eject is the only way. –  CajunLuke Mar 27 '12 at 21:40
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