Could you please tell us what exactly did you do before you rebooted? Did you install/delete/fiddle with anything?
Originally Posted by Linus Torvalds
Well I installed some programs: Chromium, Clementine, Vuze, and a few more, changed \wallpaper. Then I just shut down my PC, and when I needed to use it again Ubuntu didn't boot fully, all I got was that screen
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