Removing the USB-dongle port................................... 83Prerequisites........................................................................................... 83Procedure............................................................................................... 84Replacing the USB-dongle port................................... 86Procedure............................................................................................... 86Post-requisites........................................................................................86Removing the diagnostic light and button board.......... 87Prerequisites........................................................................................... 87Procedure............................................................................................... 88Replacing the diagnostic light and button board...........91Procedure................................................................................................ 91Post-requisites.........................................................................................91Removing the hard-drive cage..................................... 92Prerequisites........................................................................................... 92Procedure............................................................................................... 92Replacing the hard-drive cage..................................... 95Procedure............................................................................................... 95Post-requisites........................................................................................95Removing the converter board.................................... 96Prerequisites........................................................................................... 96Procedure............................................................................................... 96Replacing the converter board.....................................99Procedure............................................................................................... 99Post-requisites........................................................................................998