.. _l5_usbc_replacement: USB-C board replacement ======================= #. Follow the :ref:`disassembly procedure ` up through the step where the internal frame is removed. * The frame is removed at 1:04 in the video * You do not need to follow the rest of this disassembly procedure #. Remove 2 screws from the lower speaker box (below the battery area) and remove the speaker box #. Carefully disconnect the 2 antennas by lifting from the attachment point between the wire and connector #. Remove the microphone gasket and set it aside #. Remove 2 screws securing the USB-C board #. Separate the board from the ribbon cable Place your thumb over the visible part of the orange ribbon cable and gently pull the PCB away with a fingernail. The ribbon cable is glued down, so the board will separate. You can then install the new USB-C board. It will align with the existing ribbon cable; slide it on to attach. .. warning:: Be careful not to crush the microphone gasket during reassembly, as this will adversely affect sound quality.