can confirm what others have reported above with 16.04 with 4.4.0-77 I have the issue, the issue wasn't/isn't present with 4.4.0-72 and below
I'm unsure if this problem originates from a Xorg package - from the most recent Linux Kernel changelogs I think I noticed some bugfix that could affect this issue, but I don't have sufficient expertise to be 100% sure of that -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1686189 Title: External monitor connecting problem on Intel graphics card To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1686189/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs