Steps
1. Place the heat sink on the system board.
2. Align the screw holes on the heat sink to the screw holes on the system board.
3. In sequential order (1>2>3>4>5>6>7) tighten the seven captive screws that secure the heat sink to the system board.
NOTE: The number of screws varies depending on the configuration ordered.
4. Route the left fan cable over the heat sink and connect the left fan cable to the system board.
Next steps
1. Install the base cover.
2. Follow the procedure in After working inside your computer.
Power-button board
Removing the power-button board
Prerequisites
1. Follow the procedure in Before working inside your computer.
NOTE:
Ensure that your computer is in Service Mode. For more information see, step 6 in Before working inside your
computer.
2. Remove the base cover.
3. Remove the display assembly.
About this task
The following image(s) indicate the location of the power-button board and provides a visual representation of the removal
procedure.
40
Removing and installing components
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