Could you please test this Alt+tab behavior with the driver posted here?

32-bit: http://downloadcenter.intel.com/Detail_Desc.aspx?agr=Y&DwnldID=21839

64-bit: http://downloadcenter.intel.com/Detail_Desc.aspx?agr=Y&DwnldID=21840

This is a test version that should address this problem. Please check it.

I have Dell laptop with intel (R) HD graphic 3000 core i3 2nd generation the driver Version is the latest one 9.17.10.2875 and it cann't open medal of honor

and the os is win 7 -32bit