XPS 13 7390 Service Manual

Procedure

1. Using the alignment posts, place the system board on the palm-rest assembly and align the screw holes on the system board with the screw holes on the palm-rest assembly.
2. Replace the 10 screws (M1.6x2.5) that secure the system board to the palm-rest assembly.
   
3. Connect the display cable to the system board.
4. Align and place the display cable bracket on the system board.
5. Replace the two screws (M1.6x2.5) that secure the display cable bracket to the system board.
6. Connect the keyboard-controller cable to the system board and close the latch to secure the cable.
7. Connect the touchpad cable to the system board and close the latch to secure the cable.
8. Connect the fingerprint-reader cable to the system board and close the latch to secure the cable. Skip this step if the power button does not have the fingerprint reader.
9. Connect the speaker cable to the system board.
10. Connect the headset-port cable to the system board.
11. Connect the antenna cables to the system board.
    The following table provides the antenna cable color schemes for the wireless card supported by your computer.

    Table 1. Antenna-cable color schemeThe following table lists connectors on the wireless card and the color scheme of the antenna cable.

    Connectors on the wireless card	Antenna-cable color
    Main (white triangle)	White
    Auxiliary (black triangle)	Black