Installing The System Fan - Dell OptiPlex 7450 All-In-One Owner's Manual

b. back cover
c. cable cover
d. speaker cover
e. system board shield
f. power supply unit
g. VESA mount bracket
3. To remove the system fan:
a. Disconnect the system fan cable from the connector on the system board [1].
b. Remove the screws that secure the system fan to the computer [2].
c. Lift the system fan away from the computer [3].

Installing the system fan

1. Align and place the system fan in the slot on the chassis.
2. Tighten the screws to secure the system fan to the system board.
3. Connect the system fan cable to the connector on the system board.
4. Install the:
a. VESA mount bracket
b. power supply unit
c. system board shield
d. speaker cover
e. cable cover
f. back cover
g. stand
5. Follow the procedure in After working inside your computer.
Disassembly and reassembly 37