How to format usb drive on windows , if it was previously had chrome os

Procedure to format and to make usable usb drive again, if you have previously installed chrome os vanilla, and now windows doesn't recognize any more. Here is the procedure.

Go to chrome https://chrome.google.com/webstore/detail/chromebook-recovery-utili/jndclpdbaamdhonoechobihbbiimdgai/related?utm_source=chrome-app-launcher.

Select any random recovery thingy and let the chrome book recovery utility download and write to your usb. Now you got your usb back, not completely yet.

Download Rufus tool, and select Free DOS.

Hurrah! resurrection of your USB.