2.
Loosen 3 P1 captive screws (1) on the fan, remove 4 M2x3L P1 screws (2) from the system board, and
remove 2 M2x3L screws from the ODD board (3).
3.
Lift the system board (4), and then remove it (5).
Reverse this procedure to install the system board.
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Chapter 5 Removal and replacement procedures for Authorized Service Provider parts