Ubuntu – Ubuntu open to black screen with blinking underscore character after release upgrade

13.04bootupgrade

I upgraded my Ubuntu OS from 12.10 to 13.04 and after the process of upgrading it via Software Updater, it requested me to restart the computer.

I rebooted and on boot I proceeded to a purple screen with Ubuntu text and 5 dots below it and continued to a blank black screen with a blinking underscore character (_).

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I have all my files in there and I can't access them. I tried the grub boot menu edit that other questions pointed out, but it didn't seem to do anything.

Best Answer

Try the following:

press Ctrl+Alt+F1

You'll see a terminal for login, enter your credentials and execute the following command:

sudo service lightdm --full-restart

Enter your password again and you should see the login page

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