Sudden Frame Drop for no reason?

Oshino Shinobu

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Aug 23, 2015
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So just two days ago I was getting perfectly fine fps on all of my games (gpu is a nvidia gtx 970). Yesterday I didn't get to play any due to work and when I got back today all of my games suddenly run super poorly. I am getting like 40 fps in cs:go, where as two days ago i was getting 300. Anyone have any idea why this might be happening?