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How do I upgrade from 10.04 or 11.10 to 12.04?
“No new release found” when upgrading a from 10.04 LTS to 12.04 LTS

I have a beloved high performance 10.04 LTS 64 bit workstation, where I do serious work. I am considering doing a release upgrade to 12.04 LTS early. It seems that 10.04 LTS is not fully supported as I have to manually instal a Nvidia driver, the nvidia-current not supporting my year old video adapter.

It was my understanding that an LTS to LTS upgrade is considered a release up grade, but it is not shown on Update manager as "release upgrade available".

Is a 10.04 LTS to 12.04 release upgrade possible? and can I use the update manager?

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marked as duplicate by Uri Herrera, Jorge Castro, fossfreedom Apr 28 '12 at 18:09

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.

The answer is yes and yes. The main ubuntu page (ubuntu.com) sends you to (ubuntu.com/download) which sends you to (ubuntu.com/download/desktop/upgrade) which sends you to (help.ubuntu.com/community/UpgradeNotes) which contins outdated information, the reason for this question. The real, current and hopefully accurate answer is at (wiki.ubuntu.com/PrecisePangolin/ReleaseNotes/…). I hope this is helpfull. The exact duplicate sugguested by Uri Herrera, Jorge Castro, fossfreedom is about servers. –  keepitsimpleengineer Apr 28 '12 at 18:32
Even more helpful information about 10.04 LTS to 12.04 LTS can be found at (help.ubuntu.com/community/PreciseUpgrades) –  keepitsimpleengineer Apr 28 '12 at 18:53