"lost boot designation"

69Rixter Posts 60 Registration date Wednesday March 25, 2015 Status Member Last seen November 25, 2022 - Mar 25, 2015 at 06:29 PM
Evening All:

I have a 4Gb Sandisk Cruzer that has lost it's boot designation. I CANNOT format, open it, re-install partitons, write it all in zero's, nor mount it. I'm hoping someone here understands "lost boot designation" and what must be done to make pendrive operable once again.
Thank You: