Inspiron 14 7420 2-in-1 Service Manual

Installing the system board

About this task

The following image indicates the connectors on your system board.

The following image indicates the location of the system board and provides a visual representation of the installation procedure.

1. Align and place the system board on the palm-rest and keyboard assembly.
2. Replace the two screws (M2x2) that secure the system board to the palm-rest and keyboard assembly.
3. Connect the display cable to the connector on the system board and close the latch to secure the cable.
4. Connect the keyboard-backlight cable into the connector on the system board and close the latch to secure the cable.
5. Connect the keyboard cable to the connector on the system board and close the latch to secure the cable.
6. Connect the touchpad cable to the connector on the system board and close the latch to secure the cable.
7. Connect the I/O-board cable to the connector on the system board and close the latch to secure the cable.
8. Adhere the tape that secures the I/O-board cable to the system board.
9. Close the right display hinge.
10. Replace the four screws (M2.5x4) that secure the right display hinge to the system board and palm-rest and keyboard assembly.
11. Align the screw holes on the USB Type-C port bracket with the screw holes on the system board.
12. Replace the two screws (M2x4) that secure the USB Type-C port bracket to the system board.