Super User is a question and answer site for computer enthusiasts and power users. It's 100% free, no registration required.

Sign up
Here's how it works:
  1. Anybody can ask a question
  2. Anybody can answer
  3. The best answers are voted up and rise to the top

I was foolish to upgrade my computer to lucid, and i got into a lot of errors, it will not boot proper the display.

This is why i want to downgrade back to Karmic.

Do you know how can you do this?

share|improve this question
up vote 1 down vote accepted

^agreed. However, I was able to re-install without losing essential data. I have explained it here:

share|improve this answer

Restore from the backup you made before upgrading? You made a backup right?

Seriously, you probably need to backup your data/configuration format and reinstall. There is no supported way on a Debian/Ubuntu based system to downgrade.

share|improve this answer

Your Answer


By posting your answer, you agree to the privacy policy and terms of service.

Not the answer you're looking for? Browse other questions tagged or ask your own question.