i see in bios but there is an auto mode to use graphic card or onboard sharing.i think dis was OK can i hav another option. i hav ami bios and i hav palit n73 motherboard.i play games with gt 220 but after 10min screen goes white and check signal cable error show if i don't play games pc is ok.so i was very confused wat is the real problem bro ..........can u plz help me .....? ? ? ?