Some generic NAND USB2Disk controllers have a firmware recovery mode. To exit this:
If you are reading this, you have likely just plugged in a USB drive (often a cheap, no-name flash drive or an old MP3 player) and been greeted by a cryptic error message: "This device cannot start. (Code 10) - The device is not accepting the command because it requires an exclusive driver." nand usb2disk usb device driver exclusive
Alternatively, you may have seen the device show up in Device Manager as "NAND USB2Disk" with a yellow exclamation mark, refusing to show up in File Explorer. Some generic NAND USB2Disk controllers have a firmware
This error is frustrating because it makes a seemingly functional drive completely inaccessible. Let’s break down why this happens and, more importantly, how to fix it. Plug the USB drive into a different computer
Boot into a Linux Live USB (like Ubuntu) and see if the drive mounts. Linux handles generic NAND controllers far better than Windows. If Linux reads it fine, the drive is healthy, and Windows is the culprit.
Plug the USB drive into a different computer. Does it work?