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@simX
Created July 28, 2012 04:58
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Enable HiDPI mode in Mountain Lion w/o Quartz Debug
sudo defaults write /Library/Preferences/com.apple.windowserver DisplayResolutionEnabled -bool YES;
sudo defaults delete /Library/Preferences/com.apple.windowserver DisplayResolutionDisabled;
// by the way, you need to logout and log back in for this to take effect. Or at least that's what
// Quartz Debug says. Who knows, maybe it's lying?
// P.S. Go to [Apple menu --> System Preferences --> Displays --> Display --> Scaled] after logging
// back in, and you'll see a bunch of "HiDPI" resolutions in the list to choose from.
@brett-white
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I tried this and have completely lost my display on my MacBook Pro, the only way I can see anything at all is to hook up to an external display and close the laptop screen. Is there a way to reverse this process?

@34r7h
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34r7h commented Apr 8, 2014

this doesn't seem to affect my air on 10.9.. doing an upgrade to 10.9.3 to see if that the tickie

@SoundBlaster
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Super! It works with my Mac mini on 10.9.3 and FullHD monitor.

@evie404
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evie404 commented Jun 8, 2014

does not appear to work with rMBP and external display :<

@akoss
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akoss commented Jun 6, 2015

This worked well on my late 2009 iMac with ATI HD4670 on Yosemite. Thanks!

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