My driver has some strange issues

Hello,


I just bought an asus g70 gaming laptop, and apparently there is something wrong with my drivers i have deleted everything on it and reinstalling the drivers and different drivers but it keeps having the same problem. if i play League Of Legends i see some small graphical errors and my screen sometimes goes black and then comes back on with the message "the driver did not respond but have been fixed" (or something along those lines). but when i play bigger games there is more graphical errors and the screen goes black and doesnt show the game again so i need too restart the PC. any advice?
Thanks