MacBook pro does not detected wireless network?????

Hi! I have an airport express that provides the wireless network for the house. My iMac and iBook as well as iphone have no problem detecting the network. But the network does not show up in the drop down list that shows up when I turn the airport on. When I click on "other" and type in the information that way, the connection times out.
Any suggestions would be appreciated!
Thx!

I have a similar problem. When I set the network to not be closed, My MacBook Pro finds and connects when I return from being away. When I set the network to be "closed", it will not connect automatically (I have checked "Remember and network this computer has joined" & "Remember this Network ") it will not join automatically. However, when I enter the name and password, it connects and all is well. My iPhone will automatically connect regardless of the "closed" being checked or not. Any suggestions? I would prefer to retain the "closed" setting for extra security.
Thanks,
Bruce

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