Look for "Unknown Device" or "QF9700" under .
: Search for "QF9700 USB 2.0 Fast Ethernet" drivers for Windows 10 (which usually work for Windows 11). Install via Device Manager Right-click the Start button and select Device Manager vk-qf9700 driver windows 11
Uninstall the driver, delete the driver software, and reinstall using Method 2. Also check that your USB port is USB 2.0 (not 3.0 only – some USB 3.0 ports have backward compatibility issues with USB 1.1-era chips like the QF9700). Look for "Unknown Device" or "QF9700" under
VeriSilicon provides drivers for various operating systems, including Windows 11. You can download the VK-QF9700 driver for Windows 11 from the VeriSilicon website or through a driver update tool. delete the driver software