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I recently dual booted my PC with Ubuntu 11.04 and Windows 7. It all worked fine for a few days but one day I logged in and instead of getting the log-in screen, I got this :

BusyBox v1.17.1 (Ubuntu 1:17.1-10ubuntu1) built-in shell (ash)
Enter 'help' to see a list of built-in commands. 

I haven't been able to fix it. How do I get the user interface back?

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migrated from stackoverflow.com Nov 25 '11 at 20:39

This question came from our site for professional and enthusiast programmers.

    
Related, but for 11.10 - askubuntu.com/questions/81609/… –  BoltClock Nov 25 '11 at 20:43

1 Answer 1

Your Ubuntu system is having a boot problem well before it gets to the login screen; this is not actually a login problem, specifically.

Some problems that present in this way can be fixed by reinstalling GRUB2 to the Master Boot Record. You can do that with any of these techniques. If that does not fix the problem, please edit your question to indicate this, and also provide details about what technique you used for reinstalling GRUB2 to the MBR and what happened when you tried (as if it doesn't work, it's possible that your problem is not one that can be fixed this way, but also possible that there was a problem in reinstalling GRUB2 to the MBR).

By the way, the advice in this answer also pertains to Ubuntu 11.04.

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