So I have and amd fx 6300 2016 on 3.50ghz with 1.2v with a gtx 750 ti on an asus m5a78l-m lx3 on a realy cheao unknown brand 550w psu and when i play games and sometimes when idle my cpu goes from 3.5 to 1.3ghz and i dont know how to fix it i already turned off turbo core control cool n' quiet and got my cpu limits minimum 80 and maximun 80 but nothing helped I've also done some stress tests and the temrature is abou 60 to 62 with aftermark cooler Thanks to everyone in addition!!!