The interface will display a list of all physical drives (Disk 0, Disk 1, Disk 2, etc.). Do not rely on drive letters.
When your USB drive is uninitialized, unformatable, or locked, version 5.01 offers a last line of defense before the trash bin. Use it carefully, respect its power, and you can resurrect seemingly dead drives while ensuring your sensitive data is obliterated for good. usb low-level format pro 5.01