This bug is not a duplicate of bug #1505409, unfortunately I don't have the laptop anymore and I cannot say it's kernel related, but it may be a combination of kernel/graphics stack that shows an additional display due to the Displayport 1.2 capability.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1727320 Title: Screen turn on/off 3 times and DP-1-3 connected but nothing is connected [latitude e7470] To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1727320/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
