: Download the ZIP file from one of the sources above. Right-click the file and select Extract All... to a folder on your desktop. Open Device Manager : Right-click the Start button and select Device Manager . Locate the Adapter : Look for a device labeled "
If you have followed every step in this 2,000-word guide and the device still fails, your Gzcyc No 9700 unit may be physically defective, or the chip is a very obscure variant with no Windows 11 support. In that case, spend $10 on a new, natively supported USB-to-TTL adapter from a brand like Adafruit or FTDI. Gzcyc No 9700 Driver Download Windows 11
Look for "Other devices" or "Network adapters." You will likely see "RD9700" or "USB 2.0 10/100M Ethernet" with a yellow warning triangle. Right-click it and select Update driver Search automatically for drivers 2. Manual Driver Download : Download the ZIP file from one of the sources above
Once you have the legitimate ZIP file, follow this process: Open Device Manager : Right-click the Start button
Since Windows 11 may block older unsigned drivers, follow these steps:
Select and point to the folder where you unzipped the downloaded files. Troubleshooting & Performance Tips RD9700 USB2.0 To Fast Ethernet Adapter Drivers Download