Cpu upgrade worse than before.

Dec 31, 2018
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hello, I recently upgraded my amd Athlon 2 quad core to a intel i5 6400 (not k)
i made sure the mother bored was a one that supported the cpu and im also using a gtx 1060 3gb.

The problem is my cpu is hitting 50%+ when not in any games and just idle on desktop, i cant find any solutions myself and was wondering if any of you knew why?
 

It was an install of windows From a pc also with a i5 6400 and I check windows was updating, it wasn’t but thanks