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

Installing the system board

1. Place the system board on the computer.
2. Connect all the cables to the system board.
3. Tighten the screws to secure the system board to the base panel.
4. Install the:
a. power supply unit
b. coin cell battery
c. system fan
d. processor
e. heat sink
f. memory
g. WLAN card
h. SSD card
i. system board shield
j. VESA mount bracket
k. optical drive
l. hard drive
m. cable cover
n. speaker
o. speaker cover
p. back cover
q. stand
5. Follow the procedure in
42 Disassembly and reassembly
After working inside your computer.