Inspiron 5400 2n1 Service Manual

Removing the system board

About this task

The following image indicates the connectors on your system board.

1. Power-adapter port cable
2. Display cable
3. Fan cable
4. I/O-board cable
5. Speaker cable
6. Touchpad cable
7. Keyboard cable
8. USB Type-C port bracket

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

1. Remove the three screws (M2.5x5) that secure the right-display hinge to the palm-rest and keyboard assembly..
2. Open the hinge at an angle of 90 degrees.
3. Peel the tape that secures the USB Type-C port bracket to the system board.
4. Disconnect the fan cable from the system board.
5. Peel the tape that secures the I/O-board cable to the system board.
6. Open the latch, and disconnect the I/O-board cable from the system board.
7. Disconnect the speaker cable from the system board.
8. Open the latch, and disconnect the touchpad cable from the system board.
9. Open the latch, and disconnect the keyboard cable from the system board.
10. Remove the two screws (M2x3) that secure the USB Type-C bracket to the system board.
11. Lift the USB Type-C port bracket off the palm-rest and keyboard assembly.
12. Disconnect the power-adapter port cable from the system board.
13. Peel the tape that secures the display cable to the system board.
14. Open the latch, and disconnect the display cable from the system board.
15. Remove the two screws (M2x2) that secures the system board to the palm-rest and keyboard assembly.
16. Lift the system board off the palm-rest and keyboard assembly.