Dell Inspiron 20 (3048, Early 2014) - Manual (Page 59)

Removing 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 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
NOTE: The heat sink may look different on your computer depending
on the configuration you ordered.
1 Follow the procedure from step 1 to step 5 in “Removing the Stand
Assembly ”.
2 Remove the back cover .
3 Remove the system-board shield .
Procedure
1 Remove the screw that secures the heat sink to the display-panel base.
2 In sequential order (indicated on the heat sink), loosen the captive screws
that secure the heat sink to the system board.
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