The machine seems to have an Intel CPU/GPU from 2009, which makes me think this might be related somehow to bug 1727356. Can you please try booting Ubuntu 18.10 as a test?
http://releases.ubuntu.com/18.10/ -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1801747 Title: External display not recognized, internal one goes to black To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1801747/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
