Search for the Controller Part-Number found in ChipGenius on usbdev.ru (a database for USB flash drive tools) or flashdrive-repair.com .
When Windows labels a plugged-in device as "NAND USB2Disk," it means the operating system recognizes the internal flash hardware chipset but cannot identify the specific manufacturer or file system structure. This standard descriptor often appears when: The device firmware is corrupted. The file system has become RAW.
Once you know the exact Controller Vendor and Part-Number, you can search for the corresponding mass production utility.
Because the issue is hardware-related or requires flashing (re-writing) the drive's firmware, you should first attempt the software troubleshooting steps below. If those fail, it's highly likely a counterfeit or dead drive. nand usb2disk usb device driver download
Disconnect all other external USB storage drives to prevent accidental data erasure.
In modern Windows operating systems (Windows 7 and later), you generally for a "NAND USB2DISK" device . These devices are standard USB Mass Storage devices, and the necessary drivers are built into the operating system.
Finding drivers for legacy devices can be risky due to malware on third-party sites. Follow these structured steps to safely locate and install the correct file. Step 1: Identify Your Hardware ID Search for the Controller Part-Number found in ChipGenius
Because "Nand USB2Disk" is generic, you need to find the specific and PID (Product ID) to find the correct software.
Select the .inf file (e.g., usb2disk.inf or stmp3usb.inf ) and click .
Need specific files? Tell me your operating system and the exact model/version printed on the USB2Disk device (or any vendor name), and I’ll draft a direct download post with filenames and installation commands. The file system has become RAW
Type select disk X (replace X with your actual USB drive number). Type clean to wipe the corrupted partition table. Type create partition primary .
flowchart TD A[💾 USB Drive<br>shows as NAND USB2DISK] --> B🔍 What is the issue? B -->|Driver Inquiry| C[📋 Is a specific driver required?] B -->|Drive Malfunction| D[⚠️ Drive not working<br>showing 0MB / No Media]
Download a tool like ChipGenius or Flash Drive Information Extractor . Run it to find your VID (Vendor ID), PID (Product ID), and the Controller Part Number (e.g., FirstChip FC1178/FC1179).
(e.g., Alcor Micro, Silicon Motion/SMI, Phison, FirstChip)