If you are seeing this identifier, you likely own one of the following devices:

Do not rely on the device's physical appearance. Confirm the ID via software:

If you have the driver installed but the adapter still fails, consider the following:

Once the driver is installed, the device usually appears as a webcam source named "AV TO USB" or "SMI Grabber."

Recommended Software:

  • VLC Media Player (For Testing):

  • VirtualDub (Legacy Windows):

    • Because this VID/PID is widely cloned, the device may not be what it claims. Avoid using untrusted USB Ethernet adapters with this identifier in secure environments unless you have validated the chipset via physical inspection or advanced USB descriptors.

    0FE6:9900 dongles are notoriously fragile. Symptoms of hardware death include:

    Replacement cost: $5–10 USD. If you spend more than 30 minutes troubleshooting, buy a new adapter from a reputable brand (TP-Link, Anker, Cable Matters).

    Here is the definitive, step-by-step guide to getting your device working. Follow these in order.

    This is the most common culprit. The adapter typically features: