Gigabyte ga-g31m-es2l
i have two above model motherboard with same problem.On pci express with graphic card got display but onboard vga no display.i check bios seetings every thing is ok i also update bios but still same .this motherboard got two bios chips one is m-bios and other is b-bios.what i think is that one is main bios and other is for display and that one also called v-bios but i cant found the file to flash it...........any ideas