Service Manual

Steps
1. Slide fan below the heat sink and align the screw hole on fan with the screw hole on the palm-rest and keyboard assembly.
2. Replace the screw (M2x4) that secures the fan to the system board.
3. Connect the fan cable to the system board.
4. Align the screw holes on the I/O-board shield with the screw holes on the fan and system board.
5. Replace the two screws (M2x4) that secure the I/O-board shield to the fan and palm-rest and keyboard assembly.
Next steps
1. Install the base cover.
2. 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.
CAUTION:
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.
NOTE: The heat sink may become hot during normal operation. Allow sufficient time for the heat sink to cool before
you touch it.
2. Remove the base cover.
About this task
The following image indicates the location of the heat sink and provides a visual representation of the removal procedure.
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Removing and installing components