Computer randomly restarting,

[Dark Cloud]

First off, my specs: https://pcpartpicker.com/list/sjFxWX
The last thing I did to my Pc was i installed the Corsair H60 CPU Liquid Cooler.
That was a few weeks ago. and I havent done anything since. Yesterday, I was playing Overwatch (a game) and my pc restarted itself twice in 10 mins during my match. then it started happening more and more frequently until it happened once ever few seconds. Then i left it off for a bit and it didnt happen for about 45 mins. then i went to bed, woke up, and it didnt happen for 1.5 hours. now its happening more and more frequently.
I swapped to my old GPU (a GT 720) and it still happened.
I swapped power supplies with my brother, it still happened.
I swapped from my current SSD to my HDD, both of which are always installed, and the problem persisted.
When it restarts, I believe its my GPU, but i'm not certain, a fan in my PC speeds up then slows down. if that tells you anything.

P.S. is there a chance that its my outlet is messed up somehow? I sincerely hope that's all it is.
Also with as many times as my pc has unexpectedly shut itself down, i'm beginning to lose some data on my pc... Please help me

 

[mrmike_49]

sounds like a temperature issue, have you monitored your cpu and gpu temps?? Maybe try a stress test first thing in the morning to see if mb or psu is a problem: If stress test makes it fail FAST, then it may be a cpu or gpu issue; if it still takes a 'while' to fail, possible mb or psu issue

 

[Dark Cloud]

@mrmike_49, my pc restarts before I can even begin the test and sometimes before I can even launch anything. I will swap mobos and cpus with my brother and see if that's the issue.

 

[mrmike_49]

you can usually check cpu temp in Bios, monitor it.

 

[Dark Cloud]

So while i was in my BIOS i was watching my temp and just before it shut down there wasnt a temp spike. heres a pic. https://gyazo.com/6b3de4fab9c9601ea4afd03fcab652f2

 

[Dark Cloud]

so it appears that heating isn't the issue. i have a feeling its my cpu voltages. got any info on that?