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Sometimes the thing is in the cable because they break and damage. There are various reasons your Ethernet port does not work while your internet is good. I will talk about this more in the next sections. If you have problems with the internet connection on your computer, the Ethernet port is probably the first place you should look because sometimes it is the source of problems.į aulty Ethernet port often leads to errors such as “Network cable unplugged.” You may see such error messages, especially if you have recently moved your computer or laptop, which can easily move a cable from the Ethernet port or, in rare cases, remove the Ethernet card from its place on the motherboard. Ports, especially switch ports at the panel, are static-sensitive electronics and likely to fail. Yes Ethernet port can go bad, it can happen for many reasons I will touch upon later. However, s ometimes the problem is not in your Ethernet cable but the port. When you come across these issues, you solve them easily by buying a new cable. You have probably once encountered problems with Ethernet cables, such as damages and degradation. If you have Ethernet in your home, you surely know it is an excellent investment with many benefits. It is less likely you will connect it to the wrong port. Because of the shape, it is impossible to connect the Ethernet cable to the phone port properly. Wireless routers are also equipped with a WAN port and four additional Ethernet ports.Īn Ethernet port is similar to a phone cable, but a little wider than the phone jack. Broadband modems, which can be connected to the Internet and other network-connected devices, connect to a router with a WAN port. Every popular broadband router has at least one Ethernet port.