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Inspiron 3891 Service Manual

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Installing the fan and heat-sink assembly

Prerequisites

If you are replacing a component, remove the existing component before performing the installation process.

About this task

NOTE If either the processor or the fan and heat-sink assembly is replaced, use the thermal grease provided in the kit to ensure that thermal conductivity is achieved.

The following image(s) indicate the location of the fan and heat-sink assembly and provides a visual representation of the installation procedure.

Installing the fan and heat-sink assembly

Steps

  1. Gently place the fan and heat-sink assembly on the processor.
  2. Align the screw holes on the fan and heat-sink assembly with the screw holes on the system board.
  3. In sequential order (1>2>3>4) tighten the four captive screws (M3) that secure the fan and heat-sink assembly to the system board.
  4. Connect the fan cable to the system board.

Next steps

  1. Install the fan shroud.
  2. Install the left-side cover.
  3. Follow the procedure in After working inside your computer.

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