I have r290 on my pc, and few days ago i got drop FPS and overall perfomance.
Windows 10 x64
In CS:GO i had 240 fps, now its around 60-70.
Also, r290 about 60 degrees on benchmark test ( before it was about 70 degrees ).
Card isn't work in full power.
And, when i m going to reboot my pc, it's stand about 2 minutes with black screen,and then reboot is beginnig
Any ideas? thx ( and sorry for bad english )