2. Remove the SD card.
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.
The following images indicate the location of the discrete heat sink and provide a visual representation of the removal
procedure.
Steps
1. Remove the three (M2x3) screws and loose four captive screws that secure the heat sink to the system board.
NOTE:
Remove and loosen the captive screws in the reverse sequential order mentioned on the heat sink
[7>6>5>4>3>2>1].
NOTE: The number of screws varies depending on the configuration ordered.
2. Lift the heat sink from the system board.
Installing the discrete heat sink
CAUTION: The information in this section is intended for authorized service technicians only.
Prerequisites
If you are replacing a component, remove the existing component before performing the installation process.
About this task
NOTE:
If either the system board or the heat sink is replaced, use the thermal grease provided in the kit to ensure that
thermal conductivity is achieved.
The following images indicate the location of the discrete heat sink and provide a visual representation of the installation
procedure.
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Removing and installing Field Replaceable Units (FRUs)
77 / 156 76 / 154 77 / 156
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