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.
Screen 0: minimum 8 x 8, current 2560 x 1440, maximum 32767 x 32767
DP-0 connected 2560x1440+0+0 (normal left inverted right x axis y axis) 597mm x 336mm
2560x1440 59.95*+ 239.96 144.00 120.00
1920x1080 239.76 143.98 119.88 60.00 59.94 50.00
1680x1050 59.95
1600x900 60.00
1440x900 59.89
1280x1024 75.02 60.02
1280x800 59.81
1280x720 60.00 59.94 50.00
1152x864 75.00
1024x768 75.03 70.07 60.00
800x600 75.00 72.19 60.32 56.25
720x576 50.00
720x480 59.94
640x480 75.00 72.81 59.94
DP-1 disconnected (normal left inverted right x axis y axis)
HDMI-0 disconnected (normal left inverted right x axis y axis)
DP-2 disconnected (normal left inverted right x axis y axis)
DP-3 disconnected (normal left inverted right x axis y axis)
HDMI-1 disconnected (normal left inverted right x axis y axis)
DP-4 disconnected (normal left inverted right x axis y axis)
DP-5 disconnected (normal left inverted right x axis y axis)