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Precision 3640 Tower Service Manual

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Removing the heatsink assembly

Prerequisites

  1. Follow the procedure in before working inside your computer.
  2. Remove the cover.
  3. Open the psu hinge.

About this task

The following images indicate the location of the heatsink assembly and provides a visual representation of the removal procedure.

Figure 1. Heatsink assembly - 65 W or 80 W CPU
Removing the heatsink assembly - 65 W or 80 W CPU
Figure 2. Heatsink assembly - 125 W CPU
Removing the 125 W CPU heatsink assembly fanRemoving the heatsink assembly - 125 W CPU

Steps

  1. Disconnect the heatsink fan cable from the connector on the system board.
  2. NOTE:Loosen the screws in a sequential order (1,2,3,4) as mentioned on the system board.
    Loosen the four captive screws that secure the heatsink assembly and lift it from the system board.

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