Verifying that your computer has a Network Interface Card (NIC) installed
Steps to Create a Verizon 9100EM Wired Home Network with a FiOS Connection
A network interface card (NIC) is required for each computer you are connecting to your home network. An Ethernet cable will connect an available port in the back panel of the router to the NIC in your computer.
Before you can add a computer to your network, you must verify it has a NIC installed by using Windows Device Manager.