I upgraded the mxm graphics card in my clevo p150hm from gtx 460m to a clevo gtx 670mx After the upgrade the booting behavior of the notebook was strange.. The bios screen does not complete when detecting hardware It shows the AMI logo and one line of text "AMIBIOS © 2010 American Megatrends, Inc." It does nothing for 30 seconds, then beeps once. Again it does nothing for 30 seconds then beeps once. And again it does nothing for 30 seconds then beeps once. Then it shows a fl