Installing The System Board - Dell G5 SE 5505 Service Manual

2. Open the latch and disconnect the keyboard cable from the system board.
3. Open the latch and disconnect the keyboard-backlight cable from the system board.
4. Open the latch and disconnect the touchpad cable from the system board.
5. Remove the two (M2x3) screws that secure the USB Type-C bracket to the system board.
6. Lift the USB Type-C bracket off the system board.
NOTE: When replacing the system board, the USB Type-C bracket has to be removed from the existing system board,
and transferred to the replacement system board.
7. Disconnect the speaker cable from the system board.
8. Remove the two (M2x2) screws that secure the system board to the palm-rest and keyboard assembly.
9. Turn the system board over and disconnect the I/O board cable from the system board.

Installing the system board

Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
The following image indicates the location of the system board and provides a visual representation of the installation procedure.
NOTE:
The I/O board connector is located underneath the system board. Turn the system board over and connect the I/O board
cable to the system board.
Removing and installing components 47