Alienware m15 R2 Service Manual

Installing the system board

1. Install the fan and heat-sink assembly.
2. Connect the touchpad cable to the system board and close the latch.
3. Turn the system board over and place the system board on the palm-rest assembly.
4. Replace the five (M2.5x5) screws that secure the fans to the palm-rest assembly.
5. Replace the four (M2x3) screws that secure the system board to the palm-rest assembly.
6. Connect the touchpad cable to the touchpad and close the latch.
7. Connect the Tobii eye tracker cable to the connector on the system board.
   NOTE: This step is only applicable to computers shipped with a Tobii eye tracker.
8. Connect the G-sensor cable to the connector on the system board.
9. Connect the display cable to the connector on the system board and close the latch.
10. Connect the keyboard-controller board-cable to the system board and close the latch.
11. Connect the coin-cell battery cable to the system board.
12. Connect the power-adapter port cable to the system board.
13. Using the tab on the M.2 connector shield and the slot on the system board, align the screw hole of the M.2 connector shield with the screw hole on the system board.
14. Replace the screw (M2x4.5) that secures the M.2 connector shield to the system board.
15. Using the alignment pins, connect the left I/O-board cable to the left I/O-board and the system board.
    NOTE: The I/O-board cable is polarity sensitive. To prevent damage to your computer ensure that the MB UMT end of the cable is connected to the system board.
16. Replace the two screws (M2x3) that secure the left I/O-board cable to the left I/O-board and the system board.
17. Route the antenna cables to the routing guides on the left fan and system board.
18. Adhere the tapes that secure the antenna cables to system board and left fan.
19. Connect the antenna cables to the wireless card.

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

    Table 1. Antenna-cable color scheme

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

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

20. Place the wireless card bracket on the wireless card.
21. Replace the screw (M2x3) that secures the wireless card bracket to the left I/O-board.
22. Adhere the Mylar over the system board.