Description: [E:]USB Mass Storage Device(NAND USB2DISK) Device Type: Mass Storage Device Protocol Version: USB 2.00 Current Speed: High Speed VID = FFFF, PID = 1201 Device Revision: 0000 Manufacturer: NAND Product Model: USB2DISK Product Revision: 0.00 Controller Vendor: FirstChip Controller Part-Number: FC1178BC Flash ID code: 453E9803766C - SanDisk - 1CE/Single Channel [TLC] -> Total Capacity = 64 GB
Open (press Windows Key + X and select Disk Management) to see how Windows maps the drive.
Expand the or Universal Serial Bus controllers section.
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Search for the mass production tool (MPTool) corresponding exactly to your controller part number.
If the drive fails on multiple computers and displays the "Nand Usb2disk" string, the controller firmware inside the USB drive is likely corrupted. This turns the drive into a "brick" because it forgot how to read its own memory.
By following the systematic steps in this guide—starting with simple port and computer tests, moving on to driver reinstallation, and finally considering more advanced tools like ChipGenius and controller-specific MP tools—you can diagnose the problem. However, it is important to set realistic expectations. The data on these drives is often unreadable, and if the drive is in a "No Media" state, recovery is seldom possible. This issue serves as a powerful reminder to always purchase storage devices from reputable sources and to maintain rigorous, independent backups of all important data. This link or copies made by others cannot be deleted
Driver Nand Usb2disk Usb Device: Troubleshooting and Solutions (2026 Guide)
If your device isn't showing up or is labeled as "Unknown Device," try these steps:
Plug the USB drive back into a functional port and let Windows automatically reinstall the driver. 3. Assign a New Drive Letter via Disk Management Try again later
Comprehensive Guide to fixing the "Driver Nand Usb2disk Usb Device" Error
: The drive appears as a lettered disk, but you cannot open or format it. Corrupted Firmware