My pc reboots when playing games i have this pc for 2 months now and first i can play al the games now bf4 reboots pc after i did a driver update for the GPU my gpu is r7 370 nitro from sapphire psu is more then enough and is new crossair vs650 all the other games like gta5 and rainbowsix seige works fine but some games reboots my pc and every time a driver update happends some games work agian and it will not make a crash report i have looked on sites posts and i have found no awnser can some one help me plz