Same problem mentioned here: http://www.ubuntuforums.org/archive/index.php/t-149359.html (Note; I do have the onboard video card disabled in the BIOS as I want the computer to use only my installed Nvidia 128mb PCI card.)
-- Installer Freezes in stage: Starting Gnome Display Manager https://launchpad.net/bugs/50883 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs