Dell Inspiron 15 3552 Service Manual - Page 65

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 www.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 heat sink are reinstalled together. If either the system board or the heat sink is replaced, use the thermal pad provided in the kit to ensure that thermal conductivity is achieved. Procedure 1 Replace the fan. 2 Align the screws on the cooling assembly with the screw holes on the system board. 3 In sequential order, as indicated on the heat sink, tighten the captive screws that secure the cooling assembly to the system board. 4 Connect the fan cable to the system board. Post-requisites 1 Follow the procedure from step 3 to step 10 in "Replacing the system board". 2 Follow the procedure from step 2 to step 6 in "Replacing the palm rest". 3 Replace the keyboard. 4 Replace the wireless card. 5 Replace the memory module. 6 Follow the procedure from step 3 to step 6 in "Replacing the hard drive". 7 Replace the battery. 8 Replace the base panel. 65

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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 www.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 heat sink are reinstalled together. If either the system board
or the heat sink is replaced, use the thermal pad provided in the kit to
ensure that thermal conductivity is achieved.
Procedure
1
Replace the
fan
.
2
Align the screws on the cooling assembly with the screw holes on the
system board.
3
In sequential order, as indicated on the heat sink, tighten the captive
screws that secure the cooling assembly to the system board.
4
Connect the fan cable to the system board.
Post-requisites
1
Follow the procedure from step 3 to step 10 in “
Replacing the system
board
”.
2
Follow the procedure from step 2 to step 6 in “
Replacing the palm rest
”.
3
Replace the
keyboard
.
4
Replace the
wireless card
.
5
Replace the
memory module
.
6
Follow the procedure from step 3 to step 6 in “
Replacing the hard drive
”.
7
Replace the
battery
.
8
Replace the
base panel
.
65