I meanwhile found the problem. It was the monitors.xml, which contained a wrong resolution (too high). I had to manually change them with a text editor. This solved the problem.
regards -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1080869 Title: No persistent change of screen resolution To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xfce4/+bug/1080869/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
