Hello all, I'm thinking that this is just going to be a stupid oversight, but I'm having trouble connecting my mac mini to a wifi network. It was working fine connecting to a BandLuxe wifi router until last week, when it no longer registered an internet connection, although it can connect with the router. It likewise will not connect reliably to the internet through my iPhone 4S hotspot. It will, on the other hand connect to my iPhone via bluetooth, and if I plug the mac mini into the router by an ethernet patch cable, the internet works fine. Other devices can connect normally to the wifi router. Does anyone know a good way to run diagnostics on my computer's wifi card? Is there something obvious that I'm overlooking?