# What is the recommended skills for uninstalling bionics without a profession?

**URL:** <https://discourse.cataclysmdda.org/t/what-is-the-recommended-skills-for-uninstalling-bionics-without-a-profession/26112>\
**Category:** The Bunker\
**Created:** [March 20, 2021, 1:38am UTC](https://discourse.cataclysmdda.org/t/what-is-the-recommended-skills-for-uninstalling-bionics-without-a-profession/26112 "2021-03-20T01:38:55Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![Valase](https://sea2.discourse-cdn.com/flex016/user_avatar/discourse.cataclysmdda.org/valase/32/6972_2.png) [@Valase](https://discourse.cataclysmdda.org/u/Valase)\
**Post date:** [March 20, 2021, 6:14am UTC](https://discourse.cataclysmdda.org/t/what-is-the-recommended-skills-for-uninstalling-bionics-without-a-profession/26112/2 "2021-03-20T06:14:37Z")

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> [@Bio](#):
>
> Is it harder to remove a bionic than uninstall it?

What do you mean by that? Isn’t that the same?

> [@Bio](#):
>
> […] what would be the amount of skill required to give at least a 50% to remove a bionic?

This depends heavily on the bionic you try to remove; as you state, there are different difficulty levels for different bionics.

To my knowledge, it uses the same formula as for the installation (you can find it on the [wiki](http://cddawiki.chezzo.com/cdda_wiki/index.php?title=Bionics#Installation)) - or at least it used to.  
Using that formula, you can calculate the necessary skills for the uninstallation of a given bionic.

There’s [an older post of mine](https://discourse.cataclysmdda.org/t/healing-methods/21978/14) about the calculation on the different failure levels… It’s possible that things have changed by now, but assuming they didn’t, you want to stay **below 29%** “FAILURE CHANCE”, so you only take minimal damage if you fail to uninstall it.

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