: Try all available USB ports (especially the rear ports on a desktop) or a different PC to rule out a hardware failure in your computer's port. Check for "No Media" Disk Management Disk Management
If the NAND chip itself is failing, and software cannot see the drive, you may need a specialized data recovery service that can read the NAND chip directly. 5. Summary Table Likely Cause 0 Bytes / No Media Firmware corruption / Raw NAND failure Use diskpart clean or ChipGenius firmware flash. Driver Not Recognized Improper driver Update/Reinstall USB drivers in Device Manager. Files Missing/Corrupt File system damage Use data recovery software (e.g., RescuePro). Conclusion Driver Nand Usb2disk Usb Device
Professional data recovery (if data is needed) or replace the drive. Error appears only on specific USB ports. Faulty port or insufficient power supply. Use rear motherboard ports; avoid external hubs. : Try all available USB ports (especially the