Locate your USB drive, which will display a black bar labeled .
Download the installer or portable version from the official HDDGuru website. usb lowlevel format
When Windows or macOS throws errors like "The disk is write-protected" or "Windows was unable to complete the format," a software glitch in the drive's master boot record (MBR) is often to blame. A zero-fill format can force the controller out of this locked state. Eradicating Persistent Malware Locate your USB drive, which will display a