Dell OptiPlex 7440 All-In-One W11C, Owner'S Manual

Page: 44 / 80

Installing the Power Supply Unit - PSU
1. Place the PSU on the chassis.
2. Tighten the screw to secure the PSU to the chassis.
3. Place the power supply socket in the slot on the chassis.
4. Tighten the screw to secure the power supply socket to the chassis.
5. Secure the power supply cable on the retention clips in the chassis.
6. Connect the power supply cables to the connectors on the system board.
7. Install the:
a) system board shield
b) speaker cover
c) cable cover
d) back cover
e) stand
8. Follow the procedure in After working inside your computer .
Mount bracket
Removing the VESA mount bracket
1. Follow the procedure in Before working inside your computer .
2. Remove the:
a) stand
b) back cover
c) cable cover
d) speaker cover
e) system board shield
f) power supply unit
3. To remove the VESA mount bracket:
a) Remove the screws that secure the VESA mount bracket to the computer [1].
b) Lift the bracket away from the computer [2].
44 Disassembly and reassembly