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