Steps
1. Using the alignment posts, place the power-button with optional fingerprint reader into its slot on the palm-rest and
keyboard assembly.
2. Connect the power-button with optional fingerprint-reader cable to the system board and close the latch.
NOTE: This step is only applicable to computers shipped with the optional fingerprint reader.
Next steps
1. Install the IO board.
2. Install the left fan.
3. Install the base cover.
4. Exit Service Mode.
5. Follow the procedure in After working inside your computer.
Heat sink
Removing the heat sink
Prerequisites
1. Follow the procedure in Before working inside your computer.
2. Enter Service Mode.
3. Remove the base cover.
About this task
NOTE:
The heat sink may become hot during normal operation. Allow sufficient time for the heat sink to cool before you
touch it.
NOTE: For maximum cooling of the processor, do not touch the heat transfer areas on the heat sink. The oils in your skin
can reduce the heat transfer capability of the thermal grease.
Removing and installing components 43
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