XPS 13 7390 Service Manual

Procedure

1. Disconnect the antenna cables from the system board.
2. Disconnect the headset-port cable from the system board.
3. Disconnect the speaker cable from the system board.
4. Open the latch and disconnect the fingerprint-reader cable from the system board. Skip this step if the power button does not have the fingerprint reader.
5. Open the latch and disconnect the touchpad cable from the system board.
6. Open the latch and disconnect the keyboard-controller cable from the system board.
7. Remove the two screws (M1.6x2.5) that secure the display-cable bracket to the system board.
8. Lift the display-cable bracket from the system board.
9. Using the pull tab, disconnect the display cable from the system board.
   
10. Remove the 10 screws (M1.6x2.5) securing the system board to the palm-rest assembly.
11. Lift the system board from the palm-rest assembly.