b.
Remove the heat sink (2) from the system board.
2.
If you have a model with UMA graphics:
a.
In the order indicated on the heat sink, remove the four Phillips M2.0 × 4.0 screws (1) that secure
the heat sink to the system board.
b.
Remove the heat sink (2) from the system board.
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Chapter 5 Removal and replacement procedures for authorized service provider parts