I have a macbook pro (OS X) and i couldnt find the bluetooth icon in system preferences. i tried to use spotlight to look up bluetooth and found "bluetooth file exchange" but when i clicked on it it said there was no bluetooth hardware found and i needed to attach a module to the computer. I tried shutting down the computer, unplugging it, re-plugging it and turning i t back on but it didnt work. does anyone know if theres something wrong with the hardware or is this something i can fix???