When the drive appears in Device Manager but not in File Explorer. The Verdict

Revive Your Dead USB: Why UFixII is the Ultimate Flash Drive Format Tool

When you can't delete or add files.

If your 64GB drive suddenly shows as only 8MB.

Plug in the malfunctioning USB. The tool should automatically detect the device and display its current capacity. The Repair Process: Click the "Start" or "Format" button.

Using the tool is straightforward, but remember: