Guest jimmysofat6864 Posted December 20, 2021 Posted December 20, 2021 I have a LG 27ML600M monitor that supports 75hz but when I set Mac OS to 75hz in the display settings it looks blurry. If I set it back to 60hz it looks normal. Any ideas on why this is happening? It is a 2010 Mac Pro with the AMD 5770 card. Source: MacRumors
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