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I'm new to Ubuntu..

I'm not sure what just happened, but the screen just went black with the text: Ubuntu 11.10 "my computer name" tty4

and I was asked to log on.

It happened when I closed Chrome (Alt+F4). This is the second time it has happened, and I cant make it go away :) Even if I log on. Only thing that works is to press Ctrl+Alt+Delete, which makes my PC restart.

Any idea what is causing this?

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You know the saying.... well if you don't here it is... "once you go black you can't go back"... at least that is what my grandma use to say... I think she might have been talking about coffee?? –  TheX Apr 19 '12 at 19:38

1 Answer 1

up vote 9 down vote accepted

Looks like you accidentally switched to the text console, that does no harm at all as long as you know how to terurn to your desktop. Did you accidentally hit Ctrl+Alt+F4? In that case you can return to your desktop hitting Ctrl+Alt+F7.

There are usually 6 text consoles (F1 - F6) but most users aren't even aware of them. They're extremely useful for troubleshooting, but otherwise barely used these years. I think the main use is in servers with usually no GUI (graphical user interface) available.

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So helpful! Just want to note that on Linux Mint 14 I had to press Ctrl + Alt + F8 actually. –  seafangs Aug 8 '13 at 23:51

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