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In older versions of Ubuntu I used to be able to get a character based login screen by pressing Ctrl + Alt+ f1 (or F2 or F3...).

After I upgraded to 16.04 LTS this no longer works. All I get when I press Ctrl + Alt+ f1 is a dark, blank screen. (Using Ctrl+Alt+f7 to switch back to the graphical user interface works.)

How can I fix this?

EDIT

I was trying to experiment with @sudodus' comment below, but before I got that far, I discovered some strange behaviour.

  1. Sometimes I can get the consoles to work, but not always.
  2. Sometimes the consoles display a login prompt, but do not accept any input.
  3. Sometimes the computer locks completely when I press Ctrl+Alt+F1. (I can't event ssh to the computer from another computer.)

Perhaps what I really need is a fresh install... Sigh! :-(

EDIT

I just updated my computer from 4GB to 8GB of RAM. This solved the problem. (Confusing, I think; but I'm happy now.)

oz1cz
  • 942

2 Answers2

1

As indicated by the EDIT in my post, the problem was solved by increasing the amount of memory in the computer.

oz1cz
  • 942
-2

sudo /etc/init.d/lightdm restart working by me.

lahtis
  • 234