Service Manual

Replacing the processor-cooling assembly
WARNING: Before working inside your computer, read the safety information that shipped with your computer and
follow the steps in Before working inside your computer. After working inside your computer, follow the instructions
in
After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at
www.dell.com/regulatory_compliance.
Procedure
1 Slide the radiator and fan assembly into the radiator and fan cage.
2 Align the screw holes on the radiator and fan assembly with the screw holes on the radiator and fan cage.
3 Replace the screws that secure the radiator and fan assembly to the radiator and fan cage.
4 Align the screw holes on the processor cooler with the screw holes on the system board.
5 In sequential order (indicated on the processor cooler), tighten the captive screws that secure the processor cooler to the
system board.
NOTE: If your are using an electric screwdriver, torque the screws at 6.9 +/-1.15 kilogram-force centimeter (6
+/-1 pound force inch).
6 Connect the processor-cooling assembly cables to the system board.
Figure 27. Replacing the processor-cooling assembly
1 radiator fan 2 radiator-fan cable
3 processor-cooling assembly cable 4 system board
5 captive screws (4) 6 processor-cooling assembly
7 Align the screw holes on the VR heat sink with the screw holes on the system board.
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