Dell Alienware m18 R2 Owner's Manual page 93

Steps
1. Align the screw holes on the I/O board with the screw holes on the palm-rest and keyboard assembly.
2. Replace the four screws (M2x3) that secure the I/O board to the palm-rest and keyboard assembly.
3. Connect the rear I/O board cable to the connector on the I/O board and close the latch.
4. Adhere the tape securing the I/O board cable to the I/O board.
5. Connect the power-button cable to the connector on the I/O board and close the latch to secure the cable.
Next steps
1. Follow the procedure from step 5 to step 25 in
NOTE: The system board can be removed and installed along with the heat sink. This simplifies the removal and installation
procedure and avoids breaking the thermal bond between the system board and heat sink.
2. Install the rear I/O cover.
3. Install the top heat-sink.
4. Install the small fan.
5. Install the M.2 2230 solid-state drive
6. Install the M.2 2280 solid-state drive
7. Install the wireless card.
8. Install the battery.
9. Install the base cover.
Installing the system
in slot three and four, if applicable.
or M.2 2230 solid-state drive
board.
in slot one and two, whichever is applicable.
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