Why does MacBook connect to AirPort Express but has no internet connection, while iMac works just fine? [duplicate]
My 2007 MacBook (10.6.8) worked perfectly fine with my AirPort Express, until I added a 2010 iMac (10.8.4) to the network. When I first setup the iMac it connected to the AirPort Express, but not to ...
I would like to know if, once I upgrade Airport Utility to version 6.0, the old version I had previously will disappear, and I want to know if I can use both of them (old and new) on the same Mac.