Hi,
I have similar problem when i start usually unity based game or any other 3D game that requires gpu, there is small chance for driver to crash ,similar to error when u get old windows message that driver crashed and recovered ,but without that message , So when that happens it looks like broken screen mosaic for unity or none unity goes blank with one color that was dominant on screen ,all i can do is to prevent this close app super fast with ALT+F4 but even then some apps have its windows text broken, if i don't make it then i have to restart , after restart , all is back to normal , can play games normally but only problem is that still has chance to crash and i don't know why it does that
Win 10 64bit Phenom II x6 1090T , 6gb ram , Rx 470 Red devil