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The installation went well as shown on - but when booted through 'ubuntu' option, a screen shows a grub> prompt. What to do next??

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marked as duplicate by Eliah Kagan, vasa1, Mik, Chris Wilson, con-f-use Mar 18 '13 at 14:37

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

Run chkdsk /r and then check if the \ubuntu\disks\root.disk is there - or else refer to this: – bcbc Nov 7 '12 at 16:38
PS I am assuming that you booted into Ubuntu successfully before this problem happened. Please edit your answer to confirm either way (more details are better). – bcbc Nov 7 '12 at 16:45

This was answered in a comment (this answer might not be sufficient for everyone, but it will likely solve the problem for many people, and provide a source of diagnostic information for even more).

Run chkdsk /r and then check if the \ubuntu\disks\root.disk is there - or else refer to this:

bcbc Nov 7 '12 at 16:38

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