The RS1081B USB Ethernet adapter is a reliable piece of hardware, but its Achilles' heel is the driver management. Unlike Wi-Fi adapters which often self-heal via Windows Update, the RS1081B relies on the user to manually intervene.
Corechip ID: Often associated with VID_0FE6&PID_9700 (RD9700) or similar variations. rs1081b usb ethernet driver download