OptiPlex 3050 Tower 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:
   1. intrusion switch
   2. system fan
   3. power distribution for optical drive and hard drive
   4. PSU (2 cables)
   5. optical dive and hard drive cables (4 cables)
   6. speaker
   7. power switch
6. Install the:
   1. VGA daughter board
   2. memory module
   3. SD card reader
   4. optional M.2 PCIe SSD
   5. expansion card
   6. processor
   7. heat sink assembly
7. Close the front panel door.
8. Install the:
   1. bezel
   2. cover
9. Follow the procedure in After working inside your computer.