Add Yahoo as a preferred source to see more of our stories on Google. If your laptop has an Ethernet port, plug an Ethernet cable into it and attach the other end to the router. No Ethernet port?

Windows comes pre-configured for Internet access via Ethernet. If your computer includes an Ethernet adapter as many do, connecting your computer to the Internet is as simple as connecting a cable.

Wi-Fi offers plenty of convenience, but it does have some limitations. If you're looking for better performance, Ethernet is ...