[SOLVED] CPU running at 100% suddenly

Feb 13, 2019
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My PC was perfectly fine up until a few days ago. At most, my GPU was running at 40%, and maybe my CPU at 80% if I had multiple extremely heavy loads running, such as games, several windows with dozens of tabs, discord, steam, etc. Now, lighter loads, and even chrome by itself, is eating up almost 70% - God help me if I open Overwatch.

I have zero idea whats going on - and its causing my FPS to dip hard. For a bit, it seemed in reverse, with my GPU running at 100% and my CPU at nearly 0%. I tried slightly changing some fan settings, and my PC nearly bricked, with my monitor not being able to detect anything after BIOS. I'm completely and utterly lost at what to do.

If I need to submit any files, I'd be more than glad to do so.

Edit 1: I have a 3.4Ghz Intel i7 6700, if that helps. I don't know what I did to possibly change everything this much, but I recall it starting while I was playing a match, so I don't know if I even did anything (intentionally).