01-09-2012, 05:32 AM
Try to delete the profile and then reconnect to the network.
System Prefs>Network>Airport>"Advanced">"WiFi" tab> select your netowork name and then hit the '-' button (or delete key).
Once deleted, rejoin the network.
System Prefs>Network>Airport>"Advanced">"WiFi" tab> select your netowork name and then hit the '-' button (or delete key).
Once deleted, rejoin the network.