Moreover it has to button on it for write protected. I'm going to assume you meant "no button on it". What manufacturer/model of USB drive is it? Some manufacturers do have utilities that interact on ...

Clear Write Protection: Finally, to remove the write protection, type “attributes disk clear readonly” and press Enter. By following these step-by-step instructions, you can effectively eliminate ...

Searching google and it doesn't look like anyone has an easy way of making a flash drive read-only across systems. I've seen companies have write protected usb sticks they give away with their company ...