Reverse the above sequence when installing the new button board.
8.4 Replacing the Fan
There are two fans located at the front of the system. To replace either one, follow these procedures.
1.Remove the cabinet cover (see the previous section in this chapter).
2.Remove the front bezel (see the previous section in this chapter).
3.Remove the heatsink screws following a diagonal sequence to detach the heatsink. Remove either side’s fan cable connector. Then remove the three screws securing each fan to the system chassis.
Reverse the above sequence when installing the new fan.
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