Jag såg att andra PowerBook-ägare har skrivit om problemet hos MacInTouch också:
PowerBook G4: AirPort
Till exempel detta:
Meanwhile, in my hi-rez G4 PowerBook I continue to lose all airport connectivity from time to time, especially when an UPload of some kind is in progress -- for example, it often and rather suddenly punks out during my scheduled Backup to .Mac. Not just a reception issue, but all connectivity; only a full restart restores functionality. I have called AppleCare multiple times on this, and they had me ditch my networking settings, among other things. They're now telling me it may be a repair issue and I should take my Book in, which I am loathe to do...