Right-click the and select Uninstall device .
In many cases, this is recoverable by using the manufacturer's mass production tool .
If you’ve tried everything and the drive remains stubbornly full, it’s time to recycle it and invest in a reliable brand. Your data is worth more than the $10 saved on a fake capacity drive. usb mass storage devicenand usb2disk full
The USB controller chip is alive, but it cannot read the NAND flash memory chip inside.
is a free tool that identifies the actual controller and NAND flash inside your USB drive. Download it and run it. Look for: Right-click the and select Uninstall device
If files appear in the preview, select them and save them immediately to your local hard drive (never back up data to the corrupted USB drive itself). Phase 2: Software Fixes for Windows
In the tool, find and click the button (often represented by a gear icon). You may be prompted for a password, which is often blank. Your data is worth more than the $10
USB 2.0's maximum allowed current draw is 500mA. A device reporting only 100mA is either very low-power (rare) or is incorrectly reporting due to fake/faulty controller firmware.
If you're interested, I can also walk you through by testing its real capacity. AI responses may include mistakes. Learn more Share public link