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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.
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pexcil Jan 6, 2014

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?

pexcil commented Jan 6, 2014

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?

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irthos 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

irthos 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

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SoundBlaster May 16, 2014

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

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

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rickypai Jun 8, 2014

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

rickypai commented Jun 8, 2014

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

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akoss Jun 6, 2015

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

akoss commented Jun 6, 2015

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

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