Huge FPS Drop after re-installing Win 8.1

Fathi_2

Commendable
Sep 2, 2016
3
0
1,510
so, i reinstalled win 8.1 yesterday, all drivers up to date everything is same as previous OS, & even ingame temps are nearly the same but i got a massive fps drop..
CS GO : before 250-300 fps
CS GO : now 80-180 fps
Please help !!
Specs :
i7 4720HQ
GTX 960M
16 GB RAM
 
Solution
Install GPU-Z, select the nvidia GPU at the bottom, check the usage on the sensors page that its actually using the correct GpU.