I've had to use this fix for non-Apple monitors https://www.mathewinkson.com/2013/03/force-rgb-mode-in-mac-os-x-to-fix-the-picture-quality-of-an-external-monito

I've had to use this fix for non-Apple monitors https://www.mathewinkson.com/2013/03/force-rgb-mode-in-mac-os-x-to-fix-the-picture-quality-of-an-external-monitor https://www.mathewinkson.com/2013/03/force-rgb-mode-in-mac-o...