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Hi P.H.TAM ,
plug the USB-Ethernet adapter into a USB port on your desktop computer, then connect the network cable from the router to the adapter's Ethernet port.
USB to Ethernet adapter
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Anonymous
How to install USB to Ethernet adapter in desktop computer with Window 8.1 and malfunctioned Ethernet LAN card?
Windows for home | Previous Windows versions | Internet and connectivity
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Anonymous
2022-05-01T16:04:16+00:00 Hi P.H.TAM ,
plug the USB-Ethernet adapter into a USB port on your desktop computer, then connect the network cable from the router to the adapter's Ethernet port.
I think the system needs some time to upload the driver for the USB to Ethernet Adapter after plugged into the USB port. I have tried in two days to successfully use it to link up online via the adapter. Thank you for your advice although I have tried the mentioned steps before by plug and play. Fortunately, after several hours of using WIFI connection to upload the driver automatically by the Win8.1 OS, it works!