How to replace the Rear IO on PowerEdge R750

This video walks you through the removal and installation of a system board, LAN on Motherboard (LOM) card, and rear I/O board. Detailed steps include handling the board, securing screws, and aligning connectors, ensuring a secure fit. Follow along for a comprehensive guide to these critical components.

Prerequisites
Follow the safety guidelines listed in the Safety instructions.
Power off the system and all attached peripherals.
Disconnect the system from the electrical outlet, and disconnect the peripherals.
If applicable, remove the system from the rack.
Remove the system cover.

Remove the system board:
Using the system board holder and plunger, slide the system board towards the front of the system.
Lift the system board out of the chassis.


Removing the LOM card and rear I/O board:
Using a Phillips # 2 screwdriver, remove the screws that secure the LAN on Motherboard (LOM) card and rear I/O board to the system board.
Holding the edges, pull the LOM card or rear I/O board to disconnect from the connector on the system board.

Installing the LOM card and rear I/O board:
Align the connectors and slots on the LOM card or rear I/O board with the connector and standoffs on the system board.
Press the LOM card or rear I/O board until firmly seated on the system board connector.
Using a Phillips #2 screwdriver, secure the LOM card or rear I/O board to the system board with screws.

Install the system board:
Unpack the new system board assembly.
CAUTION: Do not lift the system board by holding a memory module, processor, or other components.
CAUTION:Take care not to damage the system identification button while placing the system board into the chassis.
Holding the system board holder and plunger, lower the system board into the system.
Slide the system board towards the rear of the chassis until the connectors are firmly seated in the slots.