The most famous tool for this job is by HDDGuru. Despite the name, it works perfectly for USB flash drives.
Once the LLF tool finishes (progress reaches 100%), the drive is a raw slab of empty NAND. Your operating system cannot use it yet. usb lowlevel format
Tools like or the dd command are safe, effective, and free. Just remember to double-check your target drive. One wrong click, and your 2TB backup hard drive becomes a blank slate. The most famous tool for this job is by HDDGuru
Ensure you select the correct USB drive, as this process will wipe any connected storage, including external hard drives. Master Boot Records (MBR)
It clears partitions, Master Boot Records (MBR), and hidden sectors that standard formatting might miss. Fixes specific errors: