Dell Inspiron 14 3443 Service Manual - Page 69

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

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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 Align the screw holes on the heat-sink assembly with the screw holes on the system board. 2 In sequential order (indicated on the heat-sink), tighten the captive screws that secure the heat-sink assembly to the system board. 3 Connect the fan cable to the system board. Post-requisites 1 Replace the system board. 2 Replace the palm rest. 3 Replace the hard drive. 4 Replace the wireless card. 5 Replace the memory module(s). 6 Replace the base cover. 7 Replace the keyboard. 8 Replace the optical drive. 9 Replace the battery. 69

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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
Align the screw holes on the heat-sink assembly with the screw holes on
the system board.
2
In sequential order (indicated on the heat-sink), tighten the captive
screws that secure the heat-sink assembly to the system board.
3
Connect the fan cable to the system board.
Post-requisites
1
Replace the
system board
.
2
Replace the
palm rest
.
3
Replace the
hard drive
.
4
Replace the
wireless card
.
5
Replace the
memory module(s)
.
6
Replace the
base cover
.
7
Replace the
keyboard
.
8
Replace the
optical drive
.
9
Replace the
battery
.
69