How to Remove a CPU and Heatsink Assembly

Before You Begin

See How to Identify a Faulty CPU.

1. Prepare the server module for service. See Preparing the Server for Service.
2. Identify the faulty CPU. See How to Identify a Faulty CPU.
   
3. Gently press down on the top of the heatsink to counteract the pressure of the captive spring-loaded screws that secure the heatsink to the motherboard.
4. Use a number two Phillips screwdriver to alternately loosen each of the two spring-loaded mounting screws that secure the heatsink to the motherboard.

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   Note - Alternately turn each screw 180 degrees at a time until the both screws are completely loosened.

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5. To separate the heatsink from the top of the CPU, gently wiggle the heatsink left and right, while pulling upward.

   See frame [3] of the illustration in Step 2.

   A thin layer of thermal compound separates the heatsink and the CPU. This compound also acts as an adhesive.

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   Note - Do not allow the thermal compound to contaminate the work space or other components.

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6. Use an alcohol pad to completely remove the thermal compound from the underside of the heatsink.
7. Remove any dust from the heatsink fins.
8. Before you remove the CPU, use an alcohol pad to remove the thermal compound from the top of the component.

   See frame [4] of the illustration in Step 2.

9. To release the processor cover retaining lever, push down on the end of the lever and move it slightly away from the CPU.

   See frame [5] of the illustration in Step 2.

10. Lift the CPU cover to the fully open position and remove the CPU.

    See frame [6] of the illustration in Step 2.

Next Steps

How to Install a CPU and Heatsink Assembly