# Rewriting OS on SD card

**URL:** <https://forum.onefinitycnc.com/t/rewriting-os-on-sd-card/26453>\
**Category:** Firmware (BB Buildbotics) (Discontinued)\
**Created:** [April 12, 2024, 7:59pm UTC](https://forum.onefinitycnc.com/t/rewriting-os-on-sd-card/26453 "2024-04-12T19:59:31Z")\
**Posts on this page:** 1\
**Showing post:** 1

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**Author:** ![Woodchuck](https://avatars.discourse-cdn.com/v4/letter/w/e9bcb4/32.png) [@Woodchuck](https://forum.onefinitycnc.com/u/Woodchuck)\
**Post date:** [April 12, 2024, 7:59pm UTC](https://forum.onefinitycnc.com/t/rewriting-os-on-sd-card/26453/1 "2024-04-12T19:59:31Z")

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OK I need some help here I was re-flashing my SD card from the controller with the raspberry pi Imager and accidentally hit the raspberry pi Imgur selection, which overrode my Onefinity OS on the SD card. Onefinity support give instructions to go down and “use custom” which I did however, I am not getting any Onefinity choice to pick to rewrite the OS… I am now without an operating system for this machine. Does anyone know how to work around this?

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