In this video we show how to replace the I/O Daughterboards Before working inside your system, review all safety guidelines to protect the system and ensure your personal safety. For full safety information, view the Service Manual at: Dell.com/Support.Before you begin, remove the palm-rest and keyboard assembly. The USB-C modules, both fans and the heatsink.
To remove the right I/O board, first remove the PCBeam cable by unscrewing the two screws. And peel it off from the base cover to remove it.Remove both the interposer boards. Handle it with care. Do not touch the pins on the connectors. Remove the screw securing the I/O board to the base Cover. visit: Dell.com/Support And lift the board off. Follow the same steps for the left I/O board.
Remove the two screws. Peel off the PCBeam cable to remove it. Remove the two interposer boards. Remove the screw securing the I/O board. And lift it off the base cover To install the right I/O board, align the screw holes on the board with the ones on the base cover. Replace the screw to secure it. Replace the interposer boards. Handle them with care. Avoid touching the pins on the connectors.
Adhere the right PCBeam cable. Reconnect it and screw it in place. Follow the same steps for the left I/O board. Align the I/O board with the screw holes on the base cover. Replace the screw to secure it. Replace the two interposer boards. Adhere the PCBeam cable. Reconnect it and secure it with the screws. For more information or support visit: Dell.com/Support.