If none of these steps revive your Nand Usb2disk, the hardware is dead. USB drives have a finite write cycle (typically 500-1,000 program/erase cycles for cheap NAND). Consider it a lesson and recycle the drive properly.
:If the drive is still partially recognized, you can try using the diskpart utility in the Command Prompt to clean and create partition primary . However, users on the Ubuntu Community Hub have noted that these standard formatting tools often fail for this specific device. Driver Nand Usb2disk Usb Device
: Many "too-good-to-be-true" high-capacity drives (e.g., 2TB for $20) are actually small 32GB chips with hacked firmware. Once the real capacity is exceeded, they often revert to this generic NAND USB2DISK name and stop working. If none of these steps revive your Nand

