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OptiPlex 7090 Tower Service Manual

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Removing the processor fan and 125 W heat-sink assembly

Prerequisites

  1. Follow the procedure in before working inside your computer.
    WARNING The heat sink may become hot during normal operation. Allow sufficient time for the heat sink to cool before you touch it.
    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.
  2. Remove the side cover.

About this task

The following images indicate the location of the processor fan and 125 W heat-sink assembly and provide a visual representation of the removal procedure.

This image displays the removal of heat-sink assembly

Steps

  1. Disconnect the processor-fan cable from the connector on the system board.
  2. In the reverse sequential order (4->3->2->1), loosen the four captive screws that secure the processor fan and heat-sink assembly to the system board.
  3. Lift the processor fan and heat-sink assembly from the system board.

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