Could you please describe what you mean by "failed to boot".
You say that you see a message about the filesystem, what is that message? (Please copy it exactly)
If the message offers you to wait, what happens if you wait?
What happens if you press each of the keys?
Could you please describe what you mean by "failed to boot".
You say that you see a message about the filesystem, what is that message? (Please copy it exactly)
If the message offers you to wait, what happens if you wait?
What happens if you press each of the keys?