HiDPI refers to a mode in OS X Lion and subsequent versions that forces OS X to render UI elements at double the normal resolution. The mode was disabled until the release of the retina MacBook Pro in the summer of 2012, which has enough pixels to display HiDPI mode correctly

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How do you enable HiDpi mode for unsupported monitors like the Dell P2815Q in Mavericks?

Has anyone figured out how to enable HiDPI mode for the Dell p2815Q on Mac OS X 10.9? I have tried Quartz Debug, default write commands at the terminal and SwitchResX, to no avail.
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MacBook Pro Retina 13": change resolution to 1920x1200 pixels

How can I change the resolution of my MacBook Pro 13" Retina (Late 2013) to 1920x1200 pixels? The MacBook is able to use this resolution! It's e.g. using it, when connecting a second display which ...
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How to enable HiDPI mode on external display in OS X 10.9 Mavericks?

The usual method of using Quartz Debug doesn't seem to work anymore.
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733 views

Is there a way to change the OSX system font size per monitor?

I'm wondering if there is a way to change the OSX system font size per monitor (e.g. larger for Retina and smaller on external display) ? I know how to change it system wide (as covered by How can I ...
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HiDPI on Lion: Most windows blurry

In order to make an app I'm developing Retina compatible, I enabled the "HiDPI" mode on my Mac (OS X 10.7.4 Lion), since I don't have a Retina MBP. The Quartz Developer Tool worked as indended, and I ...
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Screen-saver resizes my windows

I have an iMac(27" from 2010) and while running Lion I tried to HiDPI modes that gives me 1280x720 and larger text. I did change back to 2560x1440 long before upgrading my system to Mountain Lion. If ...
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How can I force specific HiDPI modes?

I have a 13" MBP (Early 2011) plugged it to a Dell U2711 monitor via DisplayPort. I have successfully enabled HiDPI mode, using Quartz Debug the problem is that the screen won't run at the HiDPI ...
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Is it possible to enable 1.5x scaling using HiDPI on OS X?

I use a Mac Mini on a 46" 1080p TV and using native resolution the UI is too small, and using HiDPI the UI is too big. Is there a way to hack the OS X to enable 150% scaling instead of 100% and 200% ...
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Enable All HiDPI Modes

I want to know how to enable all HiDPI modes, particularly the 1280x800 mode for my 1440x900 MacBook Air. How can I do this?
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Enable HiDPI on 23" iMac?

I have a 23" iMac running Lion (10.7.3). I've checked that the "Enable HiDPI display modes" checkbox is enabled in "Quartz Debug" (it was checked the first time I opened it), but there are no HiDPI ...