Heat sink

The heat sink is secured atop the processor with four captive Torx screws. The heat sink does not include a fan.

1.Prepare the computer for disassembly (Preparation for Disassembly on page 87).

2.Remove the access panel (Access Panel on page 88).

3.Remove the chassis fan (System Fan on page 103).

4.Disconnect the heat sink fan control cable (1) from the white system board connector.

5.If the computer uses a heat sink secured with four Torx screws, loosen the four captive torx T15 screws (2) that secure the heat sink to the system board.

6.Lift the lever (1) that secures the heat sink latch to the heat sink bracket attached to the system board.

7.After loosening the lever, press downward on the lever to release the square clip (2) from the tab on the heat sink bracket.

8.Use the lever to maneuver the square clip on the opposite side on the heat sink (3) free from the tab on the heat sink bracket.

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Chapter 6 Removal and Replacement Procedures Small Form Factor (SFF) Chassis