A network port is slightly different from a telephone or cable TV port. A network port is often referred to as a data port or data jack. Putting Your Network Card in Your Computer Locate an available slot for the card. Determine the correct orientation of the card for inserting it into the slot. If you are putting the card into a desktop computer, be sure to ground yourself before you handle the card.
Static electricity can damage the card.
Push the card gently, but firmly, all the way into the slot. Connect the pigtail, network cable adapter, or network cable to the card. Be very careful with this step. Connect the network cable to the network port. Windows should sense the network card and display an Update Device Driver Wizard screen.