I just bought the Asus Z170 programming motherboard and built a brand-new computer with a bunch of other parts like a i7 and GeForce 1080. My PC works amazingly except my Ethernet connection does not work. I have no internet at all. I have done the basic things such as switching the cables out restarting my Internet and more basic things like that. The LED lights up in the back saying that it is connected to the motherboard. I just don't know what's worng