I just recently bought a Gigabyte G1 Sniper Z97 mobo and a i7 4770K. I reinstalled windows and popped in the mobo disk and downloaded all of the drivers. I use an Ethernet cable for my connection and it was not recognizing the connection at all. I checked in the device manager and there were no cautions. So I decided to uninstall the drivers and try to re-install them. Now when I try download it and install it, it doesnt show up in device manager. Also to note that in my old pc when I plugged in the Ethernet cable it lit up. In this it does not. I have checked the connection to the router and everything.hoping that it is not a hardware issue.