i wonder if this would help my issue, my 165hz monitor is not usable anymore at 165hz it flickers, has weird grainy image and what looks like scan lines. Had to

i wonder if this would help my issue, my 165hz monitor is not usable anymore at 165hz it flickers, has weird grainy image and what looks like scan lines. Had to use it at 144hz for a while as it didn't happen there but after some time i had to go to 120hz and now 120hz is starting to degrade also : (