Dell Inspiron 14 (5448, Early 2015) - Manual (Page 44)

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 base cover .
2 Remove the battery .
3 Remove the hard drive .
4 Remove the fan .
5 Remove the keyboard .
6 Remove the base frame .
Procedure
NOTE: The image shows a heat sink on a laptop shipped with discrete
graphics card. The heat sink shipped on a laptop with integrated
graphics card has only four screws.
1 In sequential order (as indicated on the heat sink), remove the screws that
secure the heat sink to the system board.
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