Hello, for some reason my monitor can’t use 240hz anymore. It hass HUGE black bars and is stretched. When I am on Windows it works just fine. I have a Samsung LC27G74TQSUXZG. 144Hz and below works just fine. I have tried all options in my monitor. I think its just an OS problem at this point. I al…

The question was intended to make you think about what (you?) changed on the system not how the issue presents itself. Did you check all cables? Unplug und replug them.

240hz does not work

Support Graphics & Display

Yochanan 28 June 2021 20:23 2

Welcome to the forum!

Please post your system info as outlined here:

Please also post the output of:

xrandr