Hello all, I fixed the problem. I boot from live cd and checked: /etc/X11/xorg.conf . Two or three lines were strange so I made a bckup and erase those lines. Boot and it works. However, I'm really afraid to plug back any other screen or projectors. I'm going to test your other advices.
Thank you -- Black screen https://bugs.launchpad.net/bugs/553720 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
