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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 ?

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

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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. How to roll back Ubuntu to a previous version?

  • 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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