Unable to create USB installer


When creating my USB installer using Chrome Recovery Utility, the writing process is not completed.


  • Chrome Recovery Utility
  • Chrome OS Flex


  1. Format USB being used within the Chrome Recovery Utility and try rebuilding your USB installer.
  2. Follow this article for steps on how to format your USB drive.
  3. Test rebuilding with another non-Sandisk USB drive. Sandisk USBs and other USB drives might not work as USB installers.
Please refer to the following article, for a list of potential USB drive issues that can be caused by Sandisk USBs.