XPS 15 9520 Service Manual

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 or thermal 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.

NOTE:This is the heat sink for computers with discrete Graphics Processing Units (GPUs).

NOTE:This is the heat sink for computers without discrete Graphics Processing Units (GPUs).

Steps

Align the screw holes on the heat sink with the screw holes on the system board.
In sequential order (as indicated on the heat sink), tighten the four captive screws that secure the heat sink to the system board.
NOTE: The number of screws will vary depending on the graphics configuration of your computer.
- With discrete Graphics Processing Units: 4
- Without discrete Graphics Processing Units: 3

Next steps

Install the base cover.
Follow the procedure in After working inside your computer.

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