# Full SD Image

**URL:** https://forum.onefinitycnc.com/c/firmware/full-sd-image/109.md

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## [How to reflash the operating system on the Onefinity BB controller (Full SD card image)](https://forum.onefinitycnc.com/t/how-to-reflash-the-operating-system-on-the-onefinity-bb-controller-full-sd-card-image/5659)

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**Author:** [@OnefinityCNC](https://forum.onefinitycnc.com/u/OnefinityCNC)\
**Replies:** 0\
**Last updated:** [May 21, 2021, 7:57pm UTC](https://forum.onefinitycnc.com/t/how-to-reflash-the-operating-system-on-the-onefinity-bb-controller-full-sd-card-image/5659 "2021-05-21T19:57:04Z")

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There are times when you may have a file go corrupt or (advanced) users start poking under the hood and may need to reflash the entire vanilla image to the sd card. This process is essentially reinstalling the Onefinity …

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## [About the Full SD Image category](https://forum.onefinitycnc.com/t/about-the-full-sd-image-category/15397)

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**Author:** [@OnefinityCNC](https://forum.onefinitycnc.com/u/OnefinityCNC)\
**Replies:** 0

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Need to refresh or factory restore your machine controller? Reflash the OS onto the SD card from this catagory.