I have a 2011 iMac 21.5" that has a wired internet connection to a Fios wired and wireless modem/router. For some reason, my internet connection is always down when I jump on my computer. It comes back on within 60 seconds or so, but I'm tired of waiting for it. Can someone tell me why my computer is dropping it's internet connection? I have wifi turned off, so it shouldn't be looking for a network.