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Inspiron 7400 Service Manual

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Installing the heat sink— for computers with integrated graphics card

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.
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.

The following images indicate the location of the heat sink and provides a visual representation of the installation procedure.

Image:Installing the heat sink

Steps

  1. Place the heat sink on the system board.
  2. In sequential order (1 > 2 > 3 > 4) tighten the four captive screws that secure the heat sink to the system board.
    NOTE The number of screws varies depending on the configuration ordered.
  3. Place the Mylar over the system board.

Next steps

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

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