Skip to main content
  • Place orders quickly and easily
  • View orders and track your shipping status
  • Enjoy members-only rewards and discounts
  • Create and access a list of your products
  • Manage your Dell EMC sites, products, and product-level contacts using Company Administration.

Precision 7865 Tower Service Manual

Removing the 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.
  3. Remove the air shroud.

About this task

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

The image of the heat-sink assembly may vary depending on the configuration ordered.

Removing the processor fan and heat-sink assembly

Steps

  1. Using a Torx T20 screwdriver, in reverse sequential order (4->3->2->1), loosen the four captive screws that secure the heat-sink assembly to the system board.
    NOTE: The numbering and order in which to loosen the screws is printed on the heat-sink assembly.
  2. Push the four retaining clips inwards to unlock the heat-sink assembly from the system board.

Rate this content

Accurate
Useful
Easy to understand
Was this article helpful?
0/3000 characters
  Please provide ratings (1-5 stars).
  Please provide ratings (1-5 stars).
  Please provide ratings (1-5 stars).
  Please select whether the article was helpful or not.
  Comments cannot contain these special characters: <>()\