"probably required kernel module "vboxvideo" is missing in the Live DVD"
would appear to be the case, from the Xorg log [ 225.827] (II) LoadModule: "vboxvideo" [ 225.827] (WW) Warning, couldn't open module vboxvideo [ 225.827] (II) UnloadModule: "vboxvideo" [ 225.827] (II) Unloading vboxvideo [ 225.827] (EE) Failed to load module "vboxvideo" (module does not exist, 0) -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-vesa in Ubuntu. https://bugs.launchpad.net/bugs/1365336 Title: Lightdm update=No desktop To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/fglrx-installer/+bug/1365336/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp