have you tried a HDMI cable yet? I haven't noticed any of the issues you seem to get.
Also what are you trying to do? I set mine at 10 bit, full colour, 4k ,144hz and left it since day 1. No reason to try and faff about with weird resolutions or frame rates.
Also what are you trying to do? I set mine at 10 bit, full colour, 4k ,144hz and left it since day 1. No reason to try and faff about with weird resolutions or frame rates.