Dell Inspiron 20 3043 Service Manual - Page 53

Replacing the Heat Sink, Procedure, Post-requisites

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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 dell.com/regulatory_compliance. CAUTION: Incorrect alignment of the heat sink can cause damage to the system board and processor. NOTE: The original thermal grease can be reused if the original system board and fan are reinstalled together. If either the system board or the fan is replaced, use the thermal pad provided in the kit to make sure that thermal conductivity is achieved. Procedure 1 Align the screw holes on the heat sink with the screw holes on the system board. 2 Tighten the captive screws that secure the heat sink to the system board. Post-requisites 1 Follow the instructions from step 4 to step 13 in "Replacing the System Board". 2 Replace the wireless card. 3 Follow the instructions from step 3 to step 5 in "Replacing the Back Cover". 53

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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 dell.com/regulatory_compliance.
CAUTION: Incorrect alignment of the heat sink can cause damage to
the system board and processor.
NOTE:
The original thermal grease can be reused if the original system
board and fan are reinstalled together. If either the system board or the
fan is replaced, use the thermal pad provided in the kit to make sure that
thermal conductivity is achieved.
Procedure
1
Align the screw holes on the heat sink with the screw holes on the
system board.
2
Tighten the captive screws that secure the heat sink to the system board.
Post-requisites
1
Follow the instructions from step 4 to step 13 in “Replacing the
System
Board
”.
2
Replace the
wireless card
.
3
Follow the instructions from step 3 to step 5 in “Replacing the
Back
Cover
”.
53