Does Dropbox autostart?

Does sshd start? systemctl status ssh.service

Reset root password

Remove root password, if any.

Grub works

Reset personal password

Update the hard drive password and remove any weak ones. sudo cryptsetup luksAddKey /dev/nvme0n1p3 more info

Once this passes, update the hard drive password and remove any weak ones and reboot and test again. source

is auto-update on? sudo touch /var/lib/man-db/auto-update