Recently i installed mac os catalina on it
But sound ,Wi-Fi ,SDCardReader ,Battery Level ,Brightness ,TrackPad ,Ethernet Doesn't Work
and also i wanted to install MacOS Big Sur on it but i dont have the installer, so i installed MacOS Catalina
Anyone now how to create a EFI Folder for it?
Wi-Fi i doesn't need, because i can use a Wi-Fi adapter.
I apreciate for any help.