820-2915 bluetooth and wifi no working

[speedyaction]

I have 820-2915 board with problem. In system says no hardware installed. i done all smc reset, pram reset , replaced wifi cable and wifi card but still no wifi. Also there is not bluetooth. any idea?
L3406 pin 2: 3.337v
L3404 pin 2 : 3.443v

 

[dukefawks]

I would say bad connector/cable/card. The only thing BT needs to work is 3V on pin 27 and 2 USB lines at pin 21 23. Wifi and BT are 2 totally separate things. Unless all USB is dead on this machine of course.