I seem to have the same problem with a Samsung SyncMaster 225BW on a Macbook2,1. To be sure, I've posted a video of the problem here http://youtube.com/watch?v=H0fIacaO-_U and attached my /var/log/Xorg.0.log
** Attachment added: "Xorg.0.log" http://launchpadlibrarian.net/15016217/Xorg.0.log -- External monitor on with panel off causes screen distortion https://bugs.launchpad.net/bugs/209528 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs