Dell Vostro 5300 Service Manual - Page 35

Installing the heat sink

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Steps 1. Peel off the mylar that covers the heat sink on the system board. 2. In reverse sequential order (as indicated on the heat sink), loosen the seven captive screws that secure the heat sink to the system board. 3. Lift the heat sink off the system board. Installing the heat sink Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. 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. About this task The following image indicates the location of the heat sink and provides a visual representation of the installation procedure. Removing and installing components 35

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Steps
1.
Peel off the mylar that covers the heat sink on the system board.
2.
In reverse sequential order (as indicated on the heat sink), loosen the seven captive screws that secure the heat sink to the system
board.
3.
Lift the heat sink off the system board.
Installing the heat sink
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
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.
About this task
The following image indicates the location of the heat sink and provides a visual representation of the installation procedure.
Removing and installing components
35