Thanks for searching. It appears this is now a problem in the nvidia driver only, if not a hardware/cable problem. So reassigning...
** Package changed: gdm3 (Ubuntu) => nvidia-graphics-drivers-390 (Ubuntu) ** No longer affects: mutter (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to mutter in Ubuntu. https://bugs.launchpad.net/bugs/1777378 Title: [nvidia] GDM no longer presents GUI login Ubuntu 18.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-390/+bug/1777378/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs