Laptop won't detect wireless connection (but does...

Question

I am working on a computer with a WirelessLAN PRISM3 IEEE802.11b WM168 installed. I recently reinstalled Windows - prior to this reinstall the wireless connection worked fine. Now, it is only picking up certain connections. My home is close to a school so I can get their wireless signal - this computer will detect it and work fine. However, the wireless in my home is not detected by the computer (Airlink 101 802.11G wireless router tried without security as well as with wep). There are several other laptops in the home that all detect my home connection without any problems. Please help!