The first question I would need to ask is, what does it say in Device Manager? If it gives you an item in the area for network adapters for your NIC, then you will need to go to the website of the laptop and download the drivers of the NIC and install it. How? From one computer, put it on a thumb drive and then transfer it to the laptop. Also, be sure to save these files for future use. I have to do it with a Dell Latitude D600 that I have.