Hi guys i have Issue with my laptop asus k53s i only use intel HD3000 gpu but i have gt540m wich i have issue with " Windows has stopped this device because it has reported problems. (Code 43)" on divice menager yelow triangle and the message above. I have reinstall windows Installed all new drivers.. old one's and everything but still the same? can anyone help me ? plz i use windows 7 64bit. And i have tryed older versions of nvidia Drivers still the same....