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I was running the 13.04 to 13.10 installer, and it slowly caused Ubuntu to break down until eventually the installer itself along with Unity crashed, forcing me to Alt+SysRq+B.

Now, when I try to start Ubuntu it doesn't detect my keyboard at all. It boots up completely fine apart from that bringing me to the 13.10 login screen. The backlight on my keyboard remains on but not a single thing works, not even SysRq.

I was imagining that if I could run apt-get dist-upgrade it could finish the update, but I couldn't get that far.

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Have you tried recovery mode? –  ansidev Oct 23 '13 at 15:11
@ansidev Yes, same results. –  iirelu Oct 23 '13 at 15:14
Your keyboard is detected when you boot in recovery mode? –  Braiam Oct 30 '13 at 0:36

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