Okay, you may think you have heard every wifi issue, but this one takes the cake. To keep it concise; my wifi works everywhere, except in my apartment building. My apartment complex uses one router and everyone in the complex is connected via wifi. The building is extremely old, so none of the units have ethernet plugs. Again, my wifi (airport) connects to any other wifi network anywhere else, i.e. at school, coffee shops, unprotected networks, etc. Yet, it can NOT generate an IP address when it tries to connect to the wifi of my apartment building. It locates the network fine, but it can not connect. I have tried almost everything I can think of, such as: 1. Deleting the network and its keychain attributes then adding it back on. 2. Adding a NEW location 3. Assist Me 4. Turning router off/on (I had to go inside the managers room to do it; permission granted ;D ) 5. Flush DNS 6. INSTALLED LION (I previously had snow leopard) I personally do not think the issue is with my computer, because it can connect anywhere else. It just cannot find an IP for that specific router. Or is there something I can actually do? Please-Help-Me, I am desperate. OS X Lion MBP 15" NON-Unibody 2.4 ghz dual core Thank You.