Most people think of Ethernet ports as a simple way to get faster internet. Plug in a cable, and you get a more stable ...
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?
Some (many?) HDMI cables can also carry Ethernet over HDMI. The main use seems to be to provide internet connection to a smart TV from a cable modem box. Currently I have an ethernet-USB adaptor ...