During the upgrade from 11.10 to 12.4, I got stuck on a screen with background image, and nothing else.
I restarted the computer, and after GRUB menu, screen gets black with cursor blinking.
I've tried getting into text mode, by removing
quiet splash, and by adding
text, but it leads to the same black screen.
So, I cant get to both text or graphical mode. I'm stuck on GRUB menu. What can I do to get it working again?