This message generally shown when Integrated NIC is disabled. Can you share picture of BIOS -> Integrated Devices screen so that we can check various BIOS settings.
Hello. I'm trying to install my network card. It doesn't seem on the devices manager. When the server is booting it show. Nic1: disabled, management shared NIC: enabled. And the card doesn't show like on. Please someone know what is happening? 
Issue with Network card R820 server