OpenCore ethernet port not working

Ive recently just built a hackintosh(asus prime z490, sapphire rx580, intel i7 10700, 16 gb ram, 1TB sata ssd sandisk) ive booted in using open core (comet lake + big sur) and initially all was working but now the ethernet port isnt working? Ive read that i need to change a kext but unsure of where to find out steps on where to get it? Ive also not made and post install changes or downloaded anything. All help is appreciated thanks! Also any other tips seeing as this is my first hackintosh send them my way!

submitted by /u/Jeff-mcg
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