[Solved] - Dell XPS 13 9365 2 in 1, audio card present, sound ok with bluetooth device but not on internal speakers

[Takodz24]

Hi all,

 

I installed MacOsx Big Sur with Opencore on my Dell XPS 13, all is working except sound on internal speakers.

 

Kext used are Lilu and Applealc .

 

My card is an ALC299, I configured boot-args with these arguments (alcid 21 and 22)

-v keepsyms=1 swd_panic=1 debug=0x100 alcid=22 alcdelay=1000

 

Input Sound and output across Bluetooth device (or Airplay) are working, but nothing on internal speakers (working in Windows).

Anyone can help ?

Thanks.

[Jake Lo]

How about Headphone, does it work there?

Did you patch for IRQ (ssdt-hpet.aml)?

[Takodz24]

Hi,

 

No sound on Headphone too.

I didn't patch for IRQ, I will try this.

[Takodz24]

I imported the aml created into the folder, and added the patches in config.plist.
I restarted the computer, then reseted the nvram but same issue, no sound on internal speakers or headphone.

[Jake Lo]

Please post the OC folder along with IOReg file using IORegistryExplorer.app v2.1

[Takodz24]

Hi,

 

Issue is gone, sound is ok now after adding CodecCommander.kext.

 

Thanks for your help.