I have the same problem on Natty using an nvidia card and the Nouveau drivers. See the following logs.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/655800 Title: External monitor connected via displayport is not recognized To manage notifications about this bug go to: https://bugs.launchpad.net/nouveau/+bug/655800/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
