X86 Hardware issues (Graphics, WiFi, Onboard Sound, external DACs, Disks, BIOS/UEFI Boot problems etc.)

Hi everyone
I’ve installed volumio3 on x86/x64 platform based.
My config:
Asrock d3160dc
8g ram
1tb ssd seagate barracuda.
With this configuration i can’t connect to internet and log in. I’ve solved the problem installing a network card on pci express.
Anyway I 'd like to use the lan onboard: indeed I need the pci express slot to install an internal audio card.
How can I solve my problem?