what helped me, when I was stuck on black boot screen, was to reinstall Gnome:
sudo apt purge gdm3 sudo apt install gdm3 ubuntu-desktop systemctl restart gdm
after that everything works. - Running Ubuntu 18.04
what helped me, when I was stuck on black boot screen, was to reinstall Gnome:
sudo apt purge gdm3
sudo apt install gdm3 ubuntu-desktop
systemctl restart gdm
after that everything works. - Running Ubuntu 18.04