Steps
1. Place the heat sink on the system board and align the screw holes on the heat sink with the screw holes on the system
board.
2. In sequential order (1>2>3>4>5>6>7), tighten the seven captive screws (M2x5.85) that secure the heat sink to the system
board.
NOTE: The number of screws varies depending on the configuration ordered.
Next steps
1. Install the base cover.
2. Follow the procedure in After working inside your computer.
Power button with optional fingerprint reader
Removing the power button with optional fingerprint reader
Prerequisites
1. Follow the procedure in Before working inside your computer.
2. Remove the base cover.
3. Remove the battery (3-cell or 4-cell).
4. Remove the fan.
5. Remove the I/O board.
About this task
The following images indicate the location of the base cover and provide a visual representation of the removal procedure.
NOTE:
The following image may differ slightly, depending if your computer is shipped with a fingerprint reader on the
power button.
58 Removing and installing components
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