Chosen Solution
Recently replaced the Logic board on my wife’s company A1304. (DOA, no boot, no lights no nothing) Everything boots now and it works great except now I can’t get it to connect to wifi. The icon says no hardware installed. When I go into the advance settings in network preferences and click on the hardware tab the window closes and says there was an error. But when I go to hardware properties it shows that the hardware and software are present. I tried using an adapter to use ethernet and it says the ethernet is connected but all apps says there is no connection to the network. What gives?
Did the logic board also come with a wifi card preinstalled? If yes I recommend trying the wifi card from the old logic board and see if that works.
