Dell Inspiron 15 (5547, Early 2014) - Manual (Page 45)

Procedure
1 In sequential order (as indicated on the heat sink), remove the screws that
secure the heat sink to the system board.
1 screws (6) 2 processor heat-sink
3 graphics card heat-sink
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 4 screws.
2 Lift the heat sink off the system board.
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