My PC work fine inprowsing or whatching videos but when I play games and in Special moment of game PC restart like monster Hunter world in Special cutscene PC restart and watch dogs 2 when I explode thengs PC restart and many games like that I need to fix this problem please my PC is workstation hp z400 and I have Xeon w3680 rx580 and 8gb ram and I install latest gbu driver so please I need help