You could get a live cd version of linux and then format the usb drive with that?
Formatting doesn't actually really write data.
No but it removes the restrictions so you can then do whatever you want with the newly marked as empty space without administrator?
@Emyr started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
You could get a live cd version of linux and then format the usb drive with that?