In fact no, problem still there. It worked only one time. Now I'm back in the situation described in the #6 comment
-- [RV380] dual monitor not working - M24 1P [Radeon Mobility X600] https://bugs.launchpad.net/bugs/544525 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