Dell Precision 3431 Small Form Factor User Manual

2. Remove the:
a. Side Cover
b. Front bezel
3. Open the Front panel door.
4. To remove the heat sink assembly:
a. Disconnect the heat sink assembly cable from the connector on the system board [1].
b. Loosen the captive screws(6+/-1) that secure the heat sink assembly to the system board [2].
NOTE: Loosen the screws based on the numbers available on the system board.
c. Lift the heat sink assembly away from the computer [3].
Installing heat sink assembly
1. Align the screws of the heat sink assembly with the holders on the system board.
2. Place the heat sink assembly on the processor.
3. Replace the captive screws (6+/-1) to secure the heat sink assembly to the system board.
NOTE: Tighten the screws based on the order given in the system board.
4. Connect the heat sink assembly cable to the connector on the system board.
5. Close the front panel door.
6. Install the:
a. Front bezel
Field service information
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Dell Precision 3431 Small Form Factor Specifications

General

Brand	Dell
Model	Precision 3431 Small Form Factor
Category	Desktop
Language	English