I own a Macbook Pro A1278 13" mid 2009. I wanted to clean my macbook from the inside so i removed the HDD, Ram and also the subwoofer. For the subwoofer i needed to disconnected this cable (http://guide-images.ifixit.net/igi/UKx5LfwUtKQb3vdO.large) which is the camera/airport cable. I struggled a bit trying to put it back but eventually i succeeded. After re-assembling everything my macbook didn't start anymore. I disconnected the camera cable and tried to start and it worked, now i need to know if the cable is broken or the socket.