Related: What Is an Ethernet Cable and How Does It Make Your Internet Faster? You could try using a spare cable or connecting the faulty one to another laptop or PC to determine if a malfunctioning Ethernet cable is the cause of your problems. A counterfeit cable will also have the same effect. If your cable is old and damaged, it may cause an unstable Ethernet connection. Let's break down how you can quickly fix your unstable Ethernet connection. But the internet is a lot more fun when you can actually surf it, especially when you want to show everyone that new high score you got. If you can’t have a stable connection, you cannot do much with your laptop or PC, except for setting a new high score in Chrome’s Dinosaur Game.
