Dell Alienware M18x (Early 2011) - Manual (Page 58)

21. Disconnect the speaker cable and the subwoofer cable from the connectors on the system board.
22. Lift the connector latch and disconnect the optical-drive cable from the connector on the system board.
23. Remove the 11 screws that secure the system board to the computer base.
24. Carefully ease the connectors on the system board out of the slots in the computer and lift the system board off the computer base.
Replacing the System Board
1. Follow the instructions in Before You Begin .
2. Align the connectors on the system board with the slots on the computer base and place it on the computer base.
3. Replace the 11 screws that secure the system board to the computer base.
4. Replace the Mini-Card (see Replacing the Mini-Card ).
5. Replace the memory module(s) (see Replacing the Memory Module(s) ).
6. Slide the optical drive cable into the connector on the system board and press down on the connector latch to secure the cable.
7. Connect the speaker cable and the subwoofer cable to the respective connectors on the system board.
8. Replace the processor module (see Replacing the Processor Module ).
9. Replace the processor heat-sink (see Replacing the Processor Heat-Sink )
1 speaker-cable connector 2 subwoofer-cable connector
3 optical-drive cable connector
1 screws (11) 2 system board