crwdns2934241:0crwdne2934241:0 Dan
crwdns2934249:0crwdne2934249:0:
I would reseat the I/O data cable which connects the I/O board (with the Airport board) to your main logic board often I find the cable connection is the issue, you may need to replace the cable [guide|15467] if the Airport board is properly seated and the antenna cables are in good shape.
crwdns2915684:0crwdne2915684:0:
open