i reacently installed windows 10 and updated to latest version so my gpu driver (both internal& external) .But when i play any game now my gpu just go like (60-70)% usage while my cpu doesn't get over 50% and my gpu heat is under than 65c .and it's really effect my frames on games on some games on win 8.1 i got over 60 fps but now it's less than 25 fps !! I really tried every thing but the problem still the same .pls help