A SERVICE OF

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Fan/heat sink assembly (see
Fan/heat sink assembly on page 86)
Processor (Intel only; see
Processor on page 90)
NOTE: AMD processors come soldered to the system board and cannot be removed or replaced.
To remove the system board:
1. Close the computer, turn it upside down, and then disconnect the optical drive connector cable from the
system board.
2. Turn the computer back over, open it, and then remove the three Phillips PM2.5×4.0 screws (1) that
secure the system board to the base enclosure.
82 Chapter 4 Removal and replacement procedures ENWW