So..i have r9 290 water cooled gpu,i bought it used,and i noticed that if i stress it it,i will get black screen and crash..I have tried allmost everything that i read from internet inc: lowering clock speed+memory speed(works) but has huge peformance hit,tried flash it to newer bios(didint work)and all so i tried to delete all amd related things expect drivers (didint work) So if someone could help me i would be thankfull.