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I can't boot into a usable system after updates. What should I do?

Using an AMD 64-bit system. I upgraded using package manager (i.e. on-line). The desktop freezes after login.

How can I recover using a cd version? I do get a response when selecting "Recovery Console" before logging in. Perhaps there is a cryptic command that can help me get the system back on track?

Cheers, ....Erik.

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marked as duplicate by Eliah Kagan, belacqua, Jjed, izx, John S Gruber Aug 26 '12 at 1:02

This question was marked as an exact duplicate of an existing question.

Would you please edit/update your question with more information? What do mean that you get a response when selecting "Recovery Console"?? Can you provide more of a description? What is the hardware (motherboard and/or video adapter, if known) you attempted to update (from what? 11.10? 10.04?) to 12.04 on? Have you tried booting with any non-standard kernel options? – irrational John Apr 30 '12 at 16:59

Never mind. I fixed it. See my posting today.

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Please try and elaborate on how you solved your problem by providing a little brief solution and accept own answer. Thank you. – atenz Aug 25 '12 at 7:14

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