If you are seeing an error message stating that "Chrome OS is Missing or Damaged", you can use a USB flash drive to load Chrome OS from your computer using this link: https://chrome.google.com/webstore/detail/chromebook-recovery-utili/jndclpdbaamdhonoechobihbbiimdgai/related

Select your device type and once complete, plug the USB into your device when you see that 'Missing OS' screen causing it to reload and reset.

If you reach a login screen just make sure to press CTRL + ALT +  E to ensure you are logging into 
Enterprise Enrollment. 

You should be able to follow these steps from Step 6 once OS is loaded back: https://support.firstarriving.com/support/solutions/articles/36000111527-dashboard-chromebit-chromebox-factory-reset-guide

If you are still experiencing issues, please email dashboards@firstarriving.com