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Computer restarting randomly without warning

Tyler_162

Prominent
Jul 21, 2017
4
0
510
So I built this PC about 3 weeks ago. Everything was fine up until last week when it started randomly restarting. At first it was once a day, now its once every few hours. Not sure whats causing this. I disabled the PC from restarting when there is a problem and it still restarts. I disabled my graphics card under device manager to see if it was the problem: http://imgur.com/a/4uDw7 but I still got a restart about 2 hours after this so if I'm not mistaken that must mean it can't be the gpu.
Here are my specs: http://imgur.com/a/rZfYg My Power Supply: EVGA - SuperNOVA NEX 650W 80+ Gold Certified.
I've also turned this off: http://imgur.com/a/kjkWs But still.. restarts.
Any help would be greatly appreciated.
edit: forgot to mention, during a game of overwatch I noticed I was getting 100% cpu usage in task manager which was super odd but I remembered that being a problem with windows 10 on a previous build so not really sure what to think about that