Cannot Connect to Wireless Network on Battery Power

[Wags]

Strange. MBP Intel, Rev B.
Any thoughts for fix ??
Thanks

 

[iPhone1]

Make sure AirPort is on. If you can hook up the MBP to an ethernet connection as there was a recent software update to the AirPort utility that may help you.
If that doesn't work, Apple store will be able to help you.

 

[jenzjen]

Just remove the wireless network from your settings restart and re-add.