computer system chassis, disconnect the fan assembly and the automatic
power switching board (Figure 7-20).
7. Gently lift and remove the power supply subassembly from the system
chassis.
To replace the power supply subassembly chassis, reverse steps 1 through 6.
Chapter 7.7 Fan Assembly
To remove the fan assembly, complete the following steps:
1. Remove the power supply subassembly chassis (see Section 7.6).
2. Cut the two cable ties that secure the fan assembly power cable to the
system chassis.
3. Using a Phillips screwdriver, remove the two mounting screws and lift the
fan assembly from the system chassis (Figure 7-21).