catalina install no network adapter.

I found some spare parts and made a Hackintosh.

i5-4440

8gb ddr3

msi h81m-e33.

​

I have installed the kexts for my network adapter ( Realtek RTL8111G) but when i try to install Success' href='/2020/12/install-macos-catalina-on-supported-pc.html'>Catalina it says: an internet connection is required to install macos.

does someone know anything?