My motherbord is an asrock x470 master sli.All my drivers,bios are up to date i forgot to metion that i went in msconfing->boot->advanced and at the numbers of cores i selected 4 and thats the cause i think.I did that last night after work so i was tired and didnt know what i didMake and model of your motherboard? Are you on the latest BIOS update for your motherboard?