My voltage is way to high when I didn’t even overclock it and I don’t know how to fix it

Apr 6, 2018
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Hi I just got a new GPU and when I installed it I had some trouble connecting the 12v cable when it finally did connect and I tried to boot up my system I got this error https://imgur.com/gallery/K4hBM i don’t know what to do. And when I reconnect my old GPU it says the same thing.
When I go the bios it says my cpu voltage is 2.779. And I know that is way to high but I don’t know how to fix it