00:00.0 Host bridge: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 DMI2 (rev 02)output of lspci please.
You should also check with the manufacture to see if there is a driver for it that may not be included with your distro.
Requiring external drivers used to be relatively common. I remember many times installing Redhat on a Dell server with external drivers. If you had Intel Ethernet you were usually fine, but if you had broadcom. You were installing the driver after the fact.It may be that some NICs require external drivers. But I have never seen this, not once.
I wonder if you could give an example of an Ethernet card (not Wifi) that requires
an external driver?