In this video we show how to replace the system board on your computer. The actions in the following video should be performed by a Dell Certified Technician. Before working inside your system, review all the safety guidelines to protect the system and ensure your personal safety. For full safety information, view the service manual at Dell.com/Support.
Your computer may look different from the one shown in the video. However, the service procedure is the same. Before you begin, remove the base cover, battery and the heatsink.
To remove the system board, remove the screws securing the display cable and bracket. Lift it up and remove the interposer board. Handle it with care, holding it by the edges. Remove the screw securing the WLAN bracket and remove it.
Now disconnect the antenna and the touchpad cable. Remove all the screws on both IO boards. Remove the screw in reverse order for the right PC bridge board and lift it up. Follow the same steps for the left PC bridge board. Remove the screws on the system board and lift it. Handle it with care. Holding it by the edges.
To install the system board align and place the system board. Then fix the screws. Then place the PC bridge board. Fix the screws in order. Follow the same for the right PC bridge board. And now fix the screws for the left and right IO board. Connect the touchpad cable back. And then connect the antenna cables. Then fix the bracket back. Tighten the screw.
Place the interposer board. Handle with care. Place the display cable and the bracket back. For more information or support, visit Dell.com/Support.