Sometimes it finds the displays, and sometimes it does not. Uploading two Xorg.0 log files from /var/lib/gdm3/.local/share/xorg/ One from before stopping gdm, running Xorg as root, stopping Xorg as root and then restarting gdm. The first one finds no displays:
+(II) NVIDIA(0): "NULL" +(II) NVIDIA(0): Virtual screen size determined to be 640 x 480 +(WW) NVIDIA(0): Unable to get display device for DPI computation. +(==) NVIDIA(0): DPI set to (75, 75); computed from built-in default Where as the second gets: -(--) NVIDIA(0): Valid display device(s) on GPU-0 at PCI:1:0:0 -(--) NVIDIA(0): DFP-1.1 -(--) NVIDIA(0): DFP-1.2 -(--) NVIDIA(0): DFP-1.3 -(--) NVIDIA(0): DFP-0 -(--) NVIDIA(0): DFP-1 (boot) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1799994 Title: Xorg loads, no display on nvidia 390.77-0ubuntu0.18.04.1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-390/+bug/1799994/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs