Dell Inspiron 20 3000 Series, Service Manual

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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 www.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: For maximum cooling of 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 stand .
2 Follow the procedure from step 1 to step 2 in “ Removing the optical drive ”.
3 Remove the back cover .
4 Remove the system-board shield .
Procedure
1 Remove the screw that secures the heat sink to the display-assembly base.
2 In sequential order (as indicated on the heat sink), loosen the captive screws
that secure the heat sink to the system board.
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