Dell XPS 17 9720 Service Manual - Page 28

Installing the heat sink (for computers shipped with integrated graphics card), Steps, Prerequisites

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Steps 1. In reverse sequential order (4 > 3 > 2 > 1), as indicated by the numbers on the heat sink, loosen the four captive screws that secure the heat sink to the system board. 2. Lift the heat sink off the system board. Installing the heat sink (for computers shipped with integrated graphics card) Prerequisites CAUTION: Incorrect alignment of the heat sink can damage the system board and the processor. NOTE: If either the system board or the heat sink is replaced, use the thermal pad or thermal paste provided in the kit to ensure that there is thermal conductivity. About this task The following image indicates the location of the heat sink and provides a visual representation of the installation procedure. 28 Removing and installing components

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Steps
1.
In reverse sequential order (4 > 3 > 2 > 1), as indicated by the numbers on the heat sink, loosen the four captive screws that
secure the heat sink to the system board.
2.
Lift the heat sink off the system board.
Installing the heat sink (for computers shipped with integrated
graphics card)
Prerequisites
CAUTION:
Incorrect alignment of the heat sink can damage the system board and the processor.
NOTE:
If either the system board or the heat sink is replaced, use the thermal pad or thermal paste provided in the kit to
ensure that there is thermal conductivity.
About this task
The following image indicates the location of the heat sink and provides a visual representation of the installation procedure.
28
Removing and installing components