Setup — Ch9200 Usb Ethernet Adapter

Once the is complete, you may want to optimize performance.

If the adapter doesn't appear, check System Information > Hardware > USB to see if the CH9200 is detected. If it shows up but won't connect, you may need to disable System Integrity Protection (SIP) temporarily – which is not recommended for casual users. In this case, switching to a known-good chipset like AX88179 (Gigabit) may be easier. ch9200 usb ethernet adapter setup