Even after installing the driver, you may encounter problems. Here is how to fix them.
“Windows cannot verify the digital signature for this driver.” Ch9200 Usb Ethernet Adapter Driver Windows 10 64 Bit
Note: Windows 10 often confuses the CH9200 with the ASIX AX88772 driver. If Windows installs a driver and the device still doesn't work, it may have installed the wrong one. In this case, use Method 2 to force the specific CH9200 driver. Even after installing the driver, you may encounter problems
Check your Ethernet cable. The link light only turns on when connected to a live network switch or router. If the PC is off, the light may be off unless WoL is enabled. Even after installing the driver
Very old CH9200 drivers (pre-2016) are unsigned. Windows 10 64-bit requires signed drivers.