I am trying to set up an Airport Extreme base station to connect wirelessly to the Internet. I was using a Linksys router but my G-5 signal kept dropping out, though my Powerbook never seemed to have issues. Problem is that neither my Powerbook or my G-5 desktop can connect via the base station. I have tried going through all of the diagnostic tests, which revealed that the base station's signal was strong. Unfortunately, I could not connect to the Internet. Any suggestions?