Inspiron 7500 2n1 Black Service Manual

Installing 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. Pen-garage cable
4. Fan cable
5. Touchscreen cable
6. I/O board cable
7. Speaker cable
8. Touchpad cable
9. Battery cable
10. Keyboard cable
11. Keyboard backlit cable

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 secures the system board to the palm-rest and keyboard assembly.
3. Connect the display cable on to the connector on the system board.
4. Connect the power-adapter cable on to the connector on the system board.
5. Lift the flap to access the USB Type-C port.
6. Align the screw holes on the USB Type-C port bracket with the screw holes on the system board and palm-rest and keyboard assembly.
7. Replace the two screws (M2x3) that secure the USB Type-C port bracket to the system board and palm-rest and keyboard assembly.
8. Connect the keyboard backlit cable to the system board and close the latch to secure the cable.
9. Connect the keyboard cable to the system board and close the latch to secure the cable.
10. Connect the touchpad cable to the system board and close the latch to secure the cable.
11. Connect the speaker cable to the system board.
12. Connect the I/O cable to the system board.
13. Connect the touchscreen cable to the system board and close the latch to secure the cable.
14. Adhere the tape that secures the touchscreen cable to the palm-rest and keyboard assembly.
15. Connect the fan cable on to the connector on the system board.
16. Connect the pen-garage cable on to the connector on the system board.
17. Adhere the tape that secures the pen-garage cable to the system board.
18. Close the display hinge.
19. Replace the two screws (M2x3.5) that secures the right display hinge to the system board and palm-rest and keyboard assembly.
20. Replace the screw (M2.5x5) that secures the right display hinge to the system board and palm-rest and keyboard assembly.
21. Adhere the tape that secures the antenna cables to the system board and route the antenna cables on the system board and palm-rest and keyboard assembly.
22. Connect the antenna cables to the wireless card on the system board.

    The following table provides the antenna-cable color scheme for the wireless card supported by your computer.

    Table 1. Antenna-cable color schemeThe following table lists the 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

23. Align the screw hole on the wireless-card bracket with the screw hole on the wireless card and palm-rest and keyboard assembly.
24. Replace the screw (M2x3) that secures the wireless-card bracket to the wireless card and palm-rest and keyboard assembly.