rtx 270 super msi gaming x

I have a msi RTX 2070 super gaming x trio I have tried this GPU with my previous motherboard x99 with a i7 5820k CPU and it did the same thing. I now have a brand new x570 asus prime motherboard with a ryzen 5 3600x with watercooler. Every time i start a game, after about 2 mins my screen goes...