Since Windows already owns the software needed to run this drive, forcing a reinstall of the native driver stack is the safest first step. Press Windows Key + X and select .
Use a tool like or ChipGenius to find the real VID/PID of your device. Then visit:
Before downloading any software, you must find out which company manufactured the controller chip inside your USB drive (common brands include Alcor, Phison, Silicon Motion, ChipsBank, or FirstChip).
Your system's default USB storage drivers have become unstable or corrupted. nand usb2disk usb device driver download
(Anvil’s Storage Utilities) How to extract the hardware data: Plug your "NAND USB2Disk" device into your computer. Launch ChipGenius . Select your USB drive from the top list.
Visit reputable flash drive database archives like , iFlash , or UsbDev . Input your VID and PID into their database search bars.
: For raw NAND chips that are completely unresponsive to standard formatting, you may need specialized firmware flashing tools or data recovery software like SanDisk RescuePro . Since Windows already owns the software needed to
: Check if the drive appears in Disk Management . If it shows as "Unallocated," you can right-click it and select "New Simple Volume" to format it.
Look for any item with a yellow exclamation mark or labeled . Right-click the device and select Uninstall device . Unplug the USB drive from your computer. Restart your PC.
It often appears as a built-in USB drive on older Fujitsu ESPRIMO laptops or cheap, generic memory sticks, according to user discussions on Ubuntu . Then visit: Before downloading any software, you must
Expand the or Disk drives section. Right-click NAND USB2Disk and select Properties . Go to the Details tab. Click the property dropdown and select Hardware IDs .
Wait until the status bar turns green and displays a or OK message.
Download the corresponding MPTool utility version recommended for your chip.
Sometimes the driver works perfectly, but Windows fails to mount the volume because of a drive letter conflict. Right-click the Start menu and select .
For 99% of cases, no driver download is needed. Let Windows handle it. If problems persist, update your chipset drivers or check the device’s Hardware ID. Only download from the actual brand’s official website.