Drivers for the CH9200 USB Ethernet adapter on Windows 11 are typically provided by third-party repositories or generic hardware drivers, as the official manufacturer (WCH) often bundles them for legacy systems. You can find compatible drivers at the following locations:
Find the Adapter: Look under Network adapters or Other devices. It may appear as "CH9200 USB Ethernet Adapter" or "Unknown Device". Update Driver: Right-click the device and select Update driver. Choose Browse my computer for drivers. ch9200 usb ethernet adapter driver for windows 11 link
You downloaded the wrong version (e.g., 32-bit vs 64-bit). Ensure you get the 64-bit Windows driver (most Windows 11 installs). Drivers for the CH9200 USB Ethernet adapter on
Supported OS: Windows 11, Windows 10, Windows 8, Windows 7 (both 32-bit and 64-bit) Update Driver: Right-click the device and select Update
Note: The domain is Chinese (.cn), but the driver installer and documentation include English options.