I see nearly the exact problem on Dell XPS 15, which is Intel+Nvidia GeForce GT 630M, should be similar to the Samsung's Intel+GEforce 640M.
I have the Nvidia driver working, both outputs work, but not at the same time. See http://askubuntu.com/questions/501379/cant-use-both-display-outputs-on-xps-laptop -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1304627 Title: Can't enable third screen on Samsung NP700Z5C To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/unity-control-center/+bug/1304627/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
