Hi, I have a Asus R9 290.AMD 8150 @ 4.5ghz16gb of 1866mhz ram250 gb SSD2TB HDWin7 64 bitI play Diablo 3 and sometimes the frames are 160 fps and sometimes its 7 fps. Temps are 80 degrees as I run my fan speed up to 70%. I don't know what the issue is...