Fan
Description Spare part number
Fan 745052-001
Fan, BFR/PVC free 748825-001
NOTE: System board appearance may vary.
1. Prepare the computer for disassembly (Preparation for disassembly on page 42).
2. Remove the access panel (
Access panel on page 43).
3. From the outside, rear side of the chassis, remove the two Torx T15 screws that secure the fan to
the chassis.
4. From the inside of the chassis, disconnect the fan control cable (1) from the system board
connector labeled CHFAN2.
5. Lift the fan out of the chassis (2).
To install the fan, reverse the removal procedure. Be sure to orient the air flow out of the computer.
86 Chapter 5 Removal and replacement procedures: Microtower
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