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I installed Jupyter either through pip, Homebrew, or Anaconda. My packages and stuff are all getting messed up, so I want to completely start over from scratch as if I got a new computer. I followed instructions for uninstall pip, Homebrew, and Anaconda packages, but running jupyter notebook in Terminal still works.

Any help to kind of reset my computer?

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    Welcome to stackoverflow! Add information about OS you are using. Answers could be very different for Ubuntu/Windows/Arch/Gentoo/MacOS/etc – Alex Yu Jan 15 '19 at 02:44
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    I suppose it could be more productive for you just install jupyter into fresh virtualenv. My recomendation to use `pipenv` : `pip install pipenv&& mkdir new_jupyter && cd new_jupyter && pipenv install jupyter && pipenv shell` – Alex Yu Jan 15 '19 at 02:56

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Uninstalling the installing software (like pip, homebrew, or anaconda) won't uninstall things you installed with it. What to do to fix this depends on what you used to install jupyter notebook, but the first step is to reinstall the installer you used. Then:

If you used pip, get pip again and run this command:

pip uninstall jupyter

You might have to do this instead:

python3 -m pip uninstall jupyter

If you used Homebrew, do this:

brew uninstall jupyter

If you used Anaconda you should do this (from this answer):

conda remove jupyter jupyter-client jupyter-console jupyter-core
Eb946207
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  • Do you believe it will work for every possible OS? MacOS/Ubuntu/Windows/Gentoo/Manjaro/etc? – Alex Yu Jan 15 '19 at 02:45
  • @Ingaz *IF* @John used `pip`, then I believe so. – Eb946207 Jan 15 '19 at 02:46
  • @Ingaz I don't know at the moment, I am actively trying to figure that out and I will edit my answer when I do. – Eb946207 Jan 15 '19 at 02:52
  • OP wrote about anaconda and homebrew. He did not remember exactly how he installed – Alex Yu Jan 15 '19 at 02:53
  • @Ingaz Added another part. – Eb946207 Jan 15 '19 at 02:54
  • Let us [continue this discussion in chat](https://chat.stackoverflow.com/rooms/186691/discussion-between-ingaz-and-ethan-k). – Alex Yu Jan 15 '19 at 02:57
  • I tried all of these things and the `jupyter notebook` command *still* works. I've uninstalled Python, so the kernel doesn't work, but I, too, would like to wipe the slate clean and start from scratch. Is this even possible? I'm running macOS Catalina. – Data2Dollars Aug 22 '20 at 18:40
  • [This solution](https://stackoverflow.com/questions/33052232/how-to-uninstall-jupyter) worked for me to completely uninstall jupyter – Greg Sadetsky Aug 24 '23 at 21:13