Hello everyone, I have a Dell PowerEdge R250 server. The machine was operating normally but lost its network connection. When I checked the driver management, the network card hardware was not displayed.I tried restarting the server, but the network card came back, and it stopped working for a while.This is the device I bought: https://techsys.vn/may-chu-dell-Poweredge-r250-4x35in-hot-plug-rack-1u-xeon-e23248gb2tb-5596Has anyone encountered this error with a Dell server, please help. Thank you!