The problem is that Samsungs Syncmasters are not compatible with the new auto-conf of Xorg. I considered that Xorg 7.3 is unestable espacially for a LTS Ubuntu Ver. How is the "root" xserver o final user?: Repeat bug: #254708
-- dpkg-reconfigure xserver-xorg fails on Dell PowerEdge 400sc with ati and Samsung SyncMaster 570s https://bugs.launchpad.net/bugs/255561 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