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How to roll back Ubuntu to a previous version?

Recently I selected to upgrade my Ubuntu 12.04LTS to Ubuntu12.10. There are some issues in this version because of which the CPU is getting heated up (Intel Core i3). I would like to know if there are some known problems in the release that can be rectified or is there a way to downgrade the Ubuntu release ?

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migrated from Dec 25 '12 at 5:24

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

marked as duplicate by Eliah Kagan, Mark Rooney, Uri Herrera, hhlp, fabricator4 Dec 25 '12 at 11:45

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.

Reinstalling is easiest, but you can follow these instructions to edit the packages files and downgrade the kernel that has the changes you don't want.

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I ended up installing "Jupiter Applet" and reducing the performance of CPU to power-saving mode. Seems like overheating is a known bug in 12.10 that is being looked after. – Sandeep Dec 26 '12 at 4:02

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