f. Fan (see Fan on page 61)
g. System board (see
System board on page 63)
Remove the heat sink:
1. Turn the system board upside down, with the front toward you.
2. Following the 1 through 4 sequence stamped into the heat sink, loosen the four captive Phillips
PM2.0×2.5 screws (1) that secure the heat sink to the system board.
3. Remove the heat sink (2).
NOTE: Due to the adhesive quality of the thermal material located between the heat sink and
the system board components, it may be necessary to move the heat sink from side to side to
detach it.
NOTE: The thermal material must be thoroughly cleaned from the surfaces of the heat sink and
the system board components each time the heat sink is removed. Thermal paste is used on the
processor (1) and the heat sink section (2) that services it
66 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts
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