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ALC268 - Get no sound


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I successfully installed OS X Mountain Lion on my Acer Aspire.

Most thinks are working except sound and sleep. I want to activate sound and needs help. I hope somebody can help me because I spend two days now and it doesn't work yet :(



Following sound data:

  • Name: Realtek High Definition Audio
  • Audiocodec: ALC268
  • Hardware-IDs: HDAUDIO\FUNC_01&VEN_10EC&DEV_0268&SUBSYS_1025011E&REV_1000
  • Compatible IDs: HDAUDIO\FUNC_01&CTLR_VEN_8086&CTLR_DEV_284B&VEN_10EC&DEV_0268&REV_1000
  • Vendor-ID: 10EC
  • Dev-ID: 0268

VoodooHDA "identifies" the audio device, but there is no sound even on full sound volume.

On Lion I had a patched AppleHDA.kext which works only in 32 bit Start mode. If I set x86 in Chameleon Wizard in ML my Hackintosh doesn't start anymore (a kext cache error; If I deactivate kext cache, it doesn't start anymore because it holds on "PCI begin configuration").

Can somebody help me? I need a working DSDT or Kext...


My info from "System info" are in attachement.



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  • 2 weeks later...



I tried to follow with my ALC268 sound card this nice guide (tried to patch a AppleHDA): http://www.tonymacx8...html#post466303

But sound does not work yet :( Please guys.. Can anybody check the zip file and find my error? I did not find it :(

The zip file includes some used programs and files I needed/used. If you have any question -> PM me or write it here down.


I hope somebody help me, I spend so much time trying to activate my sound card (ALC268) in Mountain Lion and don't get it :(


/edit: I also get a VoodooHDA dump - Voodoo "founds" the sound card but I have no sound with it (strange). Sometimes it also hangs. HEEEEELP :D



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