The EFI problem is with virtualbox; just don't use EFI mode. The graphical problem is with one of the video cards it emulates. Try changing the emulated video setting. I think it was cirrus that had this problem.
The EFI problem is with virtualbox; just don't use EFI mode. The graphical problem is with one of the video cards it emulates. Try changing the emulated video setting. I think it was cirrus that had this problem.