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I have Windows 7 and Ubuntu dual-booted on my hard drive. My Ubuntu installation became kind of messed up and I don't know how to fix it. So it would just be easier for me to just do a fresh install of Ubuntu over the existing partition. Is there a way for me to do this without reformatting the whole drive and having to reinstall Windows?

marked as duplicate by WinEunuuchs2Unix, karel, Eric Carvalho, Charles Green, Elder Geek Feb 13 at 18:02

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.

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Sure. Just choose "something else" during installation for manual partitioning and reformat the partitions that Ubuntu is supposed to use. Obviously, all their data will be lost in the process, but no need to touch Windows partitions.

Relevant comment by TrailRider:

The answer is correct but may have be more complicated that needed. You should be able to boot from the cd/usb and after clicking the install button, the choices window should give you the option to "Erase Ubuntu and reinstall" . Selecting that would format the Ubuntu partition only and do a clean install of Ubuntu.

  • The answer is correct but may have be more complicated that needed. You should be able to boot from the cd/usb and after clicking the install button, the choices window should give you the option to "Erase Ubuntu and reinstall" . Selecting that would format the Ubuntu partition only and do a clean install of Ubuntu. I will upvote as your answer is perfectly correct. – TrailRider Jan 6 '16 at 22:13
  • @TrailRider: I think you should mention this in a separate answer. I like yours better and will upvote it, if you do. – David Foerster Jan 7 '16 at 10:41
  • Thanks, but the question is a duplicate and will be closed as such. The duplicate does not mention upgrading specifically so the question might help some else. As your answer was already accepted and is perfectly correct, I will just leave it as a comment for more info. Alternately, if you wish, you are free to edit your answer to include the info from my comment. – TrailRider Jan 7 '16 at 22:37

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