Which version are installed on your grapich card?
If you got the newest version, you could downgrade your drivers, as JRd1st have done with his computer.
I'm running fine with 285.62
(but sometimes before the login screen comes up, a green screen shows up for 1-2 sec and then it's back to normal).
Asus G73SW-91058V 3D
- Intel Centrino Ultimate-N 6300
- BIOS 205