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DPI scaling options missing

My Mac Mini late 2014 won't show the DPI scaling options in the display preferences panel.  The monitor is a Samsung 4k UE590 connected with HDMI.

Select Default for the display, then hold the Alt (option) key and select Scaled. Keep in mind that the HDMI port may only support a max of 1080p (1920x1080).

If that does not get the full resolution, then you will need to connect it to one of your Mac Mini's Thunderbolt ports using a MiniDisplay Port to Display Port cable. for example: > https://www.amazon.com/StarTech-com-Mini-DisplayPort-Adapter-Cable/dp/B002XVYZ82

I can select resolutions all the way up to 4k.  That's not the problem.  The DPI scaling options are missing.  The Dock and menus are tiny at 4k resolution.  So the scaling lets you blow up the UI to compensate.  And that option is missing int he Display preference panel.

Take a look at > How to Enable HiDPI Mode in Mac OS X - TekRevue

最后更新：2017-08-18 01:11:00

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