Dell Inspiron 3595 Service Manual page 22

Heat sink
Removing the heat sink
NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow
the steps in Before working inside your
working inside your computer. For more safety best practices, see the Regulatory Compliance home page at
www.dell.com/regulatory_compliance.
NOTE: The heat sink may become hot during normal operation. Allow sufficient time for the heat sink to cool before you
touch it.
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.
Prerequisites
1. Remove the optical drive
2. Remove the base cover.
Procedure
1. In reverse sequential order (4->3->2->1), loosen the four captive screws that secure the heat sink to the system board.
2. Lift the heat sink off the system board.
Replacing the heat sink
NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow
the steps in Before working inside your
working inside your computer. For more safety best practices, see the Regulatory Compliance home page at
www.dell.com/regulatory_compliance.
CAUTION: Incorrect alignment of the heat sink can damage the system board and processor.
NOTE: If either the system board or the heat sink is replaced, use the thermal pad/paste provided in the kit to ensure
that thermal conductivity is achieved.
Procedure
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) as indicated on the heat sink, tighten the captive screws to secure the heat sink to the system board.
22 Removing and installing components
computer. After working inside your computer, follow the instructions in
(applicable only to computers shipped with optical drive).
computer. After working inside your computer, follow the instructions in
After
After