Dell Inspiron 15 3531 Service Manual - Page 51

Replacing the Heat-Sink Assembly, Procedure, Post-requisites - fan

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Replacing the Heat-Sink 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 dell.com/regulatory_compliance. CAUTION: Incorrect alignment of the heat sink can cause damage to the system board and processor. Procedure 1 Clean the thermal grease from the bottom of the heat-sink assembly and reapply it. 2 Align the screw holes on the heat-sink assembly with the screw holes on the system board. 3 In sequential order (indicated on the heat-sink assembly), replace the screws that secure the heat-sink assembly to the system board. 4 Connect the fan cable to the system board. Post-requisites 1 Follow the procedure from step 2 to step 7 in "Replacing the System Board". 2 Replace the palm rest. 3 Replace the wireless card. 4 Replace the keyboard. 5 Follow the procedure from step 3 to step 5 in "Replacing the Hard Drive". 6 Replace the base cover. 7 Replace the battery. 51

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Replacing the Heat-Sink
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 dell.com/regulatory_compliance.
CAUTION: Incorrect alignment of the heat sink can cause damage to
the system board and processor.
Procedure
1
Clean the thermal grease from the bottom of the heat-sink assembly and
reapply it.
2
Align the screw holes on the heat-sink assembly with the screw holes on
the system board.
3
In sequential order (indicated on the heat-sink assembly), replace the
screws that secure the heat-sink assembly to the system board.
4
Connect the fan cable to the system board.
Post-requisites
1
Follow the procedure from step 2 to step 7 in “Replacing the
System
Board
”.
2
Replace the
palm rest
.
3
Replace the
wireless card
.
4
Replace the
keyboard
.
5
Follow the procedure from step 3 to step 5 in “Replacing the
Hard Drive
”.
6
Replace the
base cover
.
7
Replace the
battery
.
51