Dell Inspiron 3455 AIO Inspiron 24 3455 Service Manual - Page 36

Removing the heat sink, Prerequisites, Procedure

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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 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 assembly. 2 Remove the back cover. Procedure 1 In sequential order (as indicated on the heat sink), loosen the captive screws that secure the heat sink to the system board. 2 Remove the screw that secures the heat sink to the display-assembly base. 36

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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 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 assembly
.
2
Remove the
back cover
.
Procedure
1
In sequential order (as indicated on the heat sink), loosen the captive
screws that secure the heat sink to the system board.
2
Remove the screw that secures the heat sink to the display-assembly
base.
36