Installing The System Board - Dell OptiPlex 3050 Small Form Factor Owner's Manual

Installing the system board

1. Hold the system board by its edges and align it toward the back of the computer.
2. Lower the system board into the computer until the connectors at the back of the system board align with the slots on the
chassis, and the screw holes on the system board align with the standoffs on the computer.
3. Tighten the screws to secure the system board to the computer.
4. Route all the cables through the routing clips.
5. Align the cables with the pins on connectors on the system board and connect the following cables to the system board:
a. intrusion switch
b. optical drive
c. hard drive
d. PSU
e. power switch
f. intrusion switch
g. speaker
6. Install the:
a. SD card reader
b. M.2 PCIe SSD
c. memory module
d. expansion card
e. processor
f. hard drive and optical drive module
g. heat sink
h. bezel
i. cover
7. Follow the procedure in
32 Removing and installing components
After working inside your computer.