I'm upgrade Ubuntu 18.04 to 20.04 using this command :
sudo apt-get update
sudo apt-get upgrade
sudo apt-get didst-upgrade
sudo apt-get autoremove
sudo apt install update-manager-core
sudo do-release-upgrade
Then, I reboot:
sudo reboot now
But, after that my Ubuntu booting never ended and showing this screen.
Please, any help, course or tutorial how to fix this will be very appreciated