iGPU_disable_audio_over_HDMI-DP.md

Disabling audio over HDMI/DP for Intel iGPUs

If you don't use digital audio over HDMI or DisplayPort on your Intel iGPU, you can disable HDA-GFX by adding a property to your Audio Codec.

Instructions

1. Check presence of digital audio device of your iGPU:
   • Run Hackintool
   • In the "System" tab, click on "Peripherals"
   • There should be an additional audio device associated to your iGPU (Intel HD4000 in this example):
     
2. Open your config.plist
3. In DeviceProperties, find the entry for your Audio Codec. On Intel Systems it's located at PciRoot(0x0)/Pci(0x1b,0x0)
4. Add key No-hda-gfx, Data Type = String, Value = onboard-1 (as shown below):
   
5. Save and reboot

Verify

1. Run Hackintool again and check if the device is gone: