If the signal is being sent from the G5 (and you do have the airport antenae hooked up on the back of the G5, right?) then I would suspect the laptop.<br><br>Can you take a screenshot of your network prefs (with IP blocked so we can't see it, of course) of both machines?<br><br>Since there is no airport here, I can't see what needs to be checked.<br><br>