For me it also does not work, when I boot up with both screens turned on. Try booting it up with the ThinkPad's display closed, then it should work.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/732050 Title: Dual display blanks both screens . Can only see the cursor -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs