Dell Inspiron 15 3531 Service Manual - Page 49

Removing the Heat-Sink Assembly, Prerequisites, Procedure - processor

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Removing 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. WARNING: The heat sink may become hot during normal operation. Allow sufficient time for the heat sink to cool before you touch it. CAUTION: To ensure maximum cooling for the processor, do not touch the heat transfer areas on the heat sink. The oils in your skin can reduce the heat transfer capability of the thermal grease. Prerequisites 1 Remove the battery. 2 Remove the base cover. 3 Follow the procedure from step 1 to step 3 in "Removing the Hard Drive". 4 Remove the keyboard. 5 Remove the wireless card. 6 Remove the palm rest. 7 Follow the procedure from step 1 to step 5 in "Removing the System Board". Procedure NOTE: The heat-sink assembly may look different on your computer depending on the configuration you ordered. 1 Disconnect the fan cable from the system board. 2 In sequential order (indicated on the heat-sink assembly), remove the screws that secure the heat-sink assembly to the system board. 49

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Removing 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.
WARNING: The heat sink may become hot during normal operation.
Allow sufficient time for the heat sink to cool before you touch it.
CAUTION: To ensure maximum cooling for the processor, do not
touch the heat transfer areas on the heat sink. The oils in your skin can
reduce the heat transfer capability of the thermal grease.
Prerequisites
1
Remove the
battery
.
2
Remove the
base cover
.
3
Follow the procedure from step 1 to step 3 in “Removing the
Hard Drive
”.
4
Remove the
keyboard
.
5
Remove the
wireless card
.
6
Remove the
palm rest
.
7
Follow the procedure from step 1 to step 5 in “Removing the
System
Board
”.
Procedure
NOTE:
The heat-sink assembly may look different on your computer
depending on the configuration you ordered.
1
Disconnect the fan cable from the system board.
2
In sequential order (indicated on the heat-sink assembly), remove the
screws that secure the heat-sink assembly to the system board.
49