If you have installed software like Zadig or Arduino drivers, they may have hijacked the device.

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

Many adapters using 0FE6:9900 are actually compatible with the RD9700 driver.

Usb Vid-0fe6 Amp-pid-9900 May 2026

If you have installed software like Zadig or Arduino drivers, they may have hijacked the device.

This is the most common culprit. The adapter typically features: usb vid-0fe6 amp-pid-9900

Many adapters using 0FE6:9900 are actually compatible with the RD9700 driver. If you have installed software like Zadig or