Airport help

I need to change my settings in AirPort so that when I try to connect to an Enterprise WPA, it doesn't ask for a TLS certificate. Please help me. My fiance also has Leopard, but her computer doesn't require her to select a certificate when she selects Enterprise. I can't connect to my school network because it asks for this. Thanks in advance!

Or does anyone know a way to reset Network Preferences back to factory specs? Cuz she's never messed with hers any and I like to tinker. Maybe I created my problem. *shrugs*

Anyone?

Well, I fixed my problem, but I can't tell you specifically what I changed. All I did was copy all of my fiance's plist files that had anything to do with networking, and replaced the ones in my computer with the ones from hers.

Cheers!