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When I connect my Macbook Pro 13" 2015 to an external monitor, the quality is horrible. I know it' worse than it should be, as I compared it with my Windows.

This is a common problem, as I have seen hundreds of people asking forums going back years. But they all trace back to one solution: http://www.mathewinkson.com/2013/03/force-rgb-mode-in-mac-os-x-to-fix-the-picture-quality-of-an-external-monitor

But this does not work for me... The problems I have read are identical to mine. Is there any other way this could be fixed? I@m honestly considering returning my Mac at this point...

Kristoffer Søvik
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    What brand is the external monitor? What resolution and refresh rate are you choosing? What connection method are you using on the MBP and the monitor (HDMI, Mini DisplayPort, VGA)? – IconDaemon Aug 10 '16 at 20:56
  • Use a different interface like DVI or Display Port rather than HDMI and you shouldn't have this problem. – Allan Aug 11 '16 at 10:37
  • Have the same problem and I tried HDMI and VGA output. Both displayed very jagged fonts. Tried on three different monitors. When I go into the display settings it appears to be working in RGB, as intended. – levesque Aug 15 '17 at 19:44
  • My HDMI port is not working properly while my mini DP (thunderbolt 2) port is working perfectly with a same monitor. (On Macbook pro 2015 15-inch) – 2017561-1 Jun 10 '22 at 04:40

1 Answers1

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Consider reducing your refresh rate; the blurriness is likely (although not necessarily!) chroma subsampling. (More information is available in this question, and if it's blurry for this same reason then this answer may be a duplicate.)

Glyph
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