Double check in the wireless network setup that your wireless is enabled and visable. Also check your logs, if you see the words Wireless init : failed, you may have a bad radio transmitter and should call Tech Support.
Here is my last logs
[INFO] Sat Jan 31 10:36:00 2004 Blocked incoming UDP packet from 218.250.120.31:15084 to 217.129.24.164:30315
[INFO] Sat Jan 31 10:36:00 2004 Blocked incoming UDP packet from 123.50.39.135:12206 to 217.129.24.164:30315
[INFO] Sat Jan 31 10:35:57 2004 Blocked incoming UDP packet from 70.45.51.247:58005 to 217.129.24.164:30315
[INFO] Sat Jan 31 10:35:57 2004 Blocked incoming UDP packet from 112.104.17.45:25097 to 217.129.24.164:30315
[INFO] Sat Jan 31 10:35:52 2004 Blocked incoming UDP packet from 82.15.30.187:60238 to 217.129.24.164:30315
[INFO] Sat Jan 31 10:35:51 2004 Blocked incoming UDP packet from 118.113.170.221:23034 to 217.129.24.164:30315
[INFO] Sat Jan 31 10:35:51 2004 Blocked incoming UDP packet from 41.207.215.8:24133 to 217.129.24.164:30315
[INFO] Sat Jan 31 10:35:50 2004 Blocked incoming UDP packet from 87.207.211.41:59409 to 217.129.24.164:30315
[INFO] Sat Jan 31 10:35:49 2004 Blocked incoming UDP packet from 74.194.118.156:6881 to 217.129.24.164:30315