I connect my macbook pro 2017 from thunderbolt to displayport to my 1440p 144hz monitor. I had no luck with 144hz but 120 worked brilliantly. Recently I have just connected it as normal and the top option is only 85hz? Any idea how I can fix this to get the full 120 again?

  • Adding the make/model of the monitor might help here. – Steve Chambers Apr 30 at 23:49

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