Plutonium

usually it chooses a random color and I cant alt + tab or anything then it goes black after 2 minutes or so then It crashes and i dont use any antivirus but i tried disabling my windows defender but didnt help

my games freeze with a blank colored screen it doesnt give a crashdump since most of the time i have to reset my pc i have 16 gb of ram gtx 970 and plenty of storage