How to Fix Device Not Found Issue with LAN on Motherboard (LOM)
Content Type: Connectivity | Article ID: 000033682 | Last Reviewed: 11/21/2022
Embedded network connections are not working, and show a yellow triangle in Device Manager.
Based on the information available in the readme notes for the Intel® Ethernet X722 drivers, the devices based on the Intel® Ethernet X710, XL710, X722, and XXV710 controllers may fail to load with a yellow bang error, on any version of Microsoft Windows* Server.
This may be because the device is connected to a switch that is not advertising traffic class 0.
To resolve the issue: