Chapter 37: Replacing Blower And Heat-Sink Assembly; Procedure; Post-Requisites - Dell XPS 8920 Service Manual

Replacing blower and heat-sink assembly
NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow
the steps in Before working inside your
working inside your computer. For more safety best practices, see the Regulatory Compliance home page at
www.dell.com/regulatory_compliance.

Procedure

CAUTION: If either the processor or the heat-sink assembly is replaced, use the thermal grease provided in the kit to
make sure that thermal conductivity is achieved.
NOTE: The original thermal grease can be reused if the original processor and heat-sink assembly are reinstalled
together.
1. Connect the blower cable to the system board.
For more information, see
2. Place the heat-sink assembly over the processor.
3. Align the captive screws on the heat-sink assembly with the screw holes on the system board.
4. In a non-adjacent sequence, tighten the captive screws that secure the heat-sink assembly to the system board.
5. Place the blower over the heat-sink assembly.
6. Align the screw holes on the blower to the screw holes on the heat-sink assembly.
7. Replace the screws that secure the blower to the heat-sink assembly.

Post-requisites

1. Follow the procedure from step 9 to step 10 in
2. Replace the right-side cover.
66 Replacing blower and heat-sink assembly
computer. After working inside your computer, follow the instructions in
"System-board components".
"Replacing the power-supply unit".
37
After