: Many "too-good-to-be-true" high-capacity drives (e.g., 2TB for $20) are actually small 32GB chips with hacked firmware. Once the real capacity is exceeded, they often revert to this generic NAND USB2DISK name and stop working.

Here’s a general review of — commonly found in low-cost USB flash drives, often based on Allwinner , Chipsbank , or similar NAND flash controllers.

: Plug the drive into a different port, ideally one directly on the motherboard (the back of a desktop PC). Test on Another PC

Overview of Developing Windows Client Drivers for USB Devices

Now you know exactly which you need.

After this process, the driver name may change from "Nand Usb2disk" to the correct vendor name (e.g., "Alcor USB2Disk").