I have a Powerbook G4 with an Airport Extreme internal card. When I got the computer I was able to find and connect to networks without issue. All of a sudden I can't. The Airport is "on" but it will not even show available networks. (At home, Starbucks, etc) In the Network Diagnostics window it shows a green light for Airport, but failed for Airport Settings and Network settings. I am new to Apple (could fix this in seconds on a PC) so any help or direction is appreciated.
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