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 Follow procedure from step 1 to step 4 in “Replacing the fan”.
2 Align the screws on the heat sink 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 8 in “Replacing the system
board".
2 Follow the procedure from step 4 to step 11 in “Replacing the palm rest".
3 Replace the keyboard.
4 Replace the wireless card.
5 Replace the memory modules.
6 Follow the procedure from step 4 to step 6 in “Replacing the hard drive”.
7 Replace the base cover.
8 Replace the battery.
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