Dell Alienware x17 R1 Service Manual page 57

Steps
1. Turn the system-board assembly over.
2. Install the fan and heat-sink
3. Using the two alignment posts shown in the image, place the system-board assembly on the palm-rest and keyboard
assembly.
NOTE: When placing the system-board assembly on the palm-rest and keyboard assembly ensure that the power button
cable is placed on top of the system board. Overlooking the power-button cable connection to the system board will
result in no-power failure after service.
4. Align the screw holes on the system-board assembly to the screw holes on the palm-rest and keyboard assembly.
5. Replace the four screws (M2x3) that secure the system-board and heat-sink assembly to the palm-rest and keyboard
assembly.
6. Replace the screw (M2x4) that secures the system board to the palm-rest and keyboard assembly.
7. Connect the antenna cables to the wireless-card on the system board.
Table 2. Antenna-cable color scheme
Connectors on the
wireless card
Main
Auxiliary
8. Place the wireless card bracket over the wireless card on the system board.
9. Replace the screw (M2x3) that secures the wireless-card bracket to the system board.
10. Connect the keyboard-controller board cable to the system board and close the latch.
11. Connect the speakers cable to the system board.
12. Connect the power-button cable to the system board and close the latch.
assembly.
Antenna-cable color
White
Black
Silkscreen marking
MAIN
AUX
△ (white triangle)
▲ (black triangle)
Removing and installing components 57