Dell Inspiron 15 7572 Inspiron 15 7000 Service Manual - Page 25

Replacing the heat sink, Procedure, Post-requisites

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14 Replacing the heat sink NOTE: 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/paste provided in the kit to ensure that thermal conductivity is achieved. Procedure 1. Align the screw holes on the heat sink with the screw holes on the system board. 2. In sequential order (as indicated on the heat-sink), replace the three screws (M2x3) that secure the heat-sink assembly to the system board. 3. In sequential order (indicated on the heat sink), tighten the four captive screws that secure the heat sink to the system board. Post-requisites 1. Replace the battery. 2. Replace the base cover. Replacing the heat sink 25

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Replacing the heat sink
NOTE:
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/paste provided in the kit to ensure
that thermal conductivity is achieved.
Procedure
1.
Align the screw holes on the heat sink with the screw holes on the system board.
2.
In sequential order (as indicated on the heat-sink), replace the three screws (M2x3) that secure the heat-sink assembly to the system
board.
3.
In sequential order (indicated on the heat sink), tighten the four captive screws that secure the heat sink to the system board.
Post-requisites
1.
Replace the
battery
.
2.
Replace the
base cover
.
14
Replacing the heat sink
25