el capitan audio

I have problem with audio my motherboard is ECS H81. I tried to fix audio by installing alc 662 kext and voodhoo HDA kext. But it doesn't fixed. please help me.

Hi, I managed to install OS X El Capitan (10.11.5) in my Dell Inspiron 5559. My 2 problems are: Audio and WiFi (out of the question at the moment). However, I think the audio problem can be fixed. This laptop does not have Audio Realtek ALC3234 controller as some of the users are claiming...

For those who wish to have audio in El capital public beta it will require some patching of AppleHDA.kext then booting the system with rootless=0 and kextdevmode=1 before installing the patched AppleHDA.kext to /S/L/E or the patched AppleHDA.kext will not be installed to /S/L/E then rebooting...