Dell G3 3579 G3 15 Service Manual - Page 47

Replacing the heat sink, Procedure, Post-requisites

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28 Replacing the heat sink 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. CAUTION: Incorrect alignment of the heat sink can damage the system board and processor. NOTE: If either the system board or the heat sink is replaced, use the thermal pad provided in the kit to ensure that thermal conductivity is achieved. Procedure 1 Place the heat sink on the system board and align the screw holes on the heat sink with the screw holes on the system board. 2 Tighten the captive screws in the sequential order (1>2>3>4) to secure the heat sink to the system board. 3 Replace the four (M2x3) screws in the sequential order (5>6>7>8) that secure the heat sink to the system board. Post-requisites Replace the base cover. Replacing the heat sink 47

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Replacing the heat sink
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
.
CAUTION:
Incorrect alignment of the heat sink can damage the system board and processor.
NOTE:
If either the system board or the heat sink is replaced, use the thermal pad provided in the kit to ensure that thermal
conductivity is achieved.
Procedure
1
Place the heat sink on the system board and align the screw holes on the heat sink with the screw holes on the system board.
2
Tighten the captive screws in the sequential order (1>2>3>4) to secure the heat sink to the system board.
3
Replace the four (M2x3) screws in the sequential order (5>6>7>8) that secure the heat sink to the system board.
Post-requisites
Replace the
base cover
.
28
Replacing the heat sink
47