Dell Inspiron 20 3045 Owners Manual - Page 49

Replacing the Heat Sink, Procedure, Postrequisites

Page 49 highlights

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. Procedure NOTE: The original thermal grease can be reused if the original processor and heat sink are reinstalled together. If either the processor or the heat sink is replaced, use the thermal grease provided in the kit to make sure that thermal conductivity is achieved. 1 Clean the thermal grease from the bottom of the heat sink and reapply the thermal grease. 2 Align the captive screws on the heat sink with the screw holes on the system board. 3 In sequential order (indicated on the heat sink), tighten the captive screws that secure the heat sink to the system board. 4 Replace the screw that secures the heat sink to the display-panel base. Postrequisites 1 Replace the system-board shield. 2 Replace the back cover. 3 Replace the stand assembly. 49

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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.
Procedure
NOTE:
The original thermal grease can be reused if the original
processor and heat sink are reinstalled together. If either the processor
or the heat sink is replaced, use the thermal grease provided in the kit to
make sure that thermal conductivity is achieved.
1
Clean the thermal grease from the bottom of the heat sink and reapply
the thermal grease.
2
Align the captive screws on the heat sink with the screw holes on the
system board.
3
In sequential order (indicated on the heat sink), tighten the captive screws
that secure the heat sink to the system board.
4
Replace the screw that secures the heat sink to the display-panel base.
Postrequisites
1
Replace the
system-board shield
.
2
Replace the
back cover
.
3
Replace the
stand assembly
.
49