Opencore Big Sur sound not working

So my sound is not working and I watched a YouTube tutorial. it said move voodooHDA to EFI/efi/OpenCore/kexts. so I did and rebooted, but my sound is still not working.

Quad core i5-4590 @ 3,30 GHZ

NVDIA gt 710 2 gb

Dell optiplex 3020 sff

the speakers external headphone jack speakers

Author: @DueAdministration997