I did further more steps, 1. Remove gdm3 and gnome-shell, while removing gnome-shell it was showing something 'polkit-1-auth-agent is not installed so not to remove'
2. Install gnome-shell, gdm3, policykit-1-gnome, also ubuntu-gnome- desktop and ubuntu-gnome-default-settings 3. Enable debugging gdm3 (/etc/gdm3/custom.conf file), Moved all files from /var/crash, and reboot the system. No login screen but no files in /var/crash 4. Reboot into recovery mode and run journalctl -b-1 > boot1.txt , file is blank -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1812359 Title: Login screen not appearing in bionic [Intel Atom D425] To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1812359/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
