Nand Usb2disk Usb Device Driver Exclusive _verified_ Jun 2026

Programs like GParted or Windows Disk Management fail to initialize or format the drive.

controllers (e.g., part number chipYC2019) and Hynix NAND flash memory.

The phrase "Driver Exclusive" is the key to the problem. In Windows driver architecture, an "exclusive" claim means the driver has been loaded, but it is refusing to release control of the device, or another system component has locked the hardware in a way that prevents standard access. nand usb2disk usb device driver exclusive

For a more thorough diagnosis, download a portable freeware tool called . Run the utility with your broken USB drive inserted. It bypasses basic Windows reporting to give you:

Most NAND USB2DISK devices use FirstChip controllers (FC1178BC, FC1179, etc.). The appropriate MPTool can restore the device by: Programs like GParted or Windows Disk Management fail

These drives often lack standard USB mass storage compliance. Instead, they may require specialized communication protocols. This is common in:

If your drive is showing this name and isn't working, here are the standard recovery steps: In Windows driver architecture, an "exclusive" claim means

[Device Manager] ➔ [Universal Serial Bus controllers] ➔ [Uninstall Device] Press Windows Key + X and select . Expand the Universal Serial Bus controllers section.

If your device is not recognized or is malfunctioning, you can try these standard Windows driver recovery steps: :

Here is the definitive troubleshooting order, from simplest to most advanced.

A: Restarting the "Plug and Play" service or physically reconnecting the drive often breaks the exclusive lock. If not, use Process Explorer (Sysinternals) to find the handle on \Device\HarddiskVolumeX and close it.