3. Remove the heat sink (2).
NOTE: The thermal material must be thoroughly cleaned from the surfaces of the heat sink (1),
(2), and (3), and the system board components (4), (5), and (6) each time the heat sink is
removed. Replacement thermal material is included with all heat sink, system board, and
processor spare part kits.
NOTE: Steps 4 and 5 apply only to computer models equipped with graphics subsystems with
UMA memory.
4. Following the 1, 2, 3, 4, sequence stamped into the heat sink, loosen the four Phillips
PM2.5×10.0 screws (1) that secure the heat sink to the system board.
72 Chapter 4 Removal and replacement procedures
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