Heat sink
Removing the heat sink
CAUTION: The information in this section is intended for authorized service technicians only.
Prerequisites
1. Follow the procedure in Before working inside your computer.
2. 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.
The following image indicates the location of the heat sink and provides a visual representation of the removal procedure.
Figure 24. Removing the heat sink
Steps
1. Loosen the four captive screws that secure the heat sink to the system board.
NOTE: Loosen the four captive screws in the reverse sequential order indicated on the heat sink [4 → 3 → 2 → 1].
2. Lift the heat sink off the system board.
60
Removing and installing Field Replaceable Units (FRUs)
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