Thanks for the bug report. It appears that Xorg is using a fallback (low resolution) graphics driver because your kernel is not providing the correct device node:
[ 70.422] (EE) [drm] Failed to open DRM device for pci:0000:01:00.0: -19 [ 70.422] (EE) open /dev/dri/card0: No such file or directory Also your kernel appears to be quite out of date so please try updating it: sudo apt update sudo apt full-upgrade and reboot. ** Summary changed: - resolution problem + [Nvidia GeForce GT 710] Low resolution, missing /dev/dri/card0 ** Package changed: xorg (Ubuntu) => linux (Ubuntu) ** Changed in: linux (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1944071 Title: [Nvidia GeForce GT 710] Low resolution, missing /dev/dri/card0 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1944071/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs