I think it is a hardware issue after all ... the dp interface on the monitor ... sorry for wasting your time
** Changed in: linux (Ubuntu) Status: Confirmed => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1495817 Title: Display port stopped working with update to kernel 3.19.0.28 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1495817/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs