That night, Leo wrote a one-line review on the store page: “Works great. Use the DM9601 driver, not the CH9200 one.”
Three people thanked him over the next year. The seller never changed the listing. usb 2.0 fast ethernet adapter ch9200 driver download
It arrived in two days. He plugged it into his Windows laptop. Nothing. No internet. Just a blinking green light and a device in Device Manager called “Unknown Device.” That night, Leo wrote a one-line review on