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Headphones problem on ALC268

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Hello, dear members of InsanelyMac community!

I am seeking help to resolve one last problem, which stands between me and my Acer Aspire 5720ZG laptop fully working on Mac.


Problem is:

In Sound Preferences there are 2 output devices - Speaker (CD) and SPDIF Out (Black Front).

Speakers are fully working, without any glitches or freezes. But when I choose my headphones, volume selection is gone and there is no sound coming off the headphones.

I read few topics about that, and in Audio MIDI Setup changed format to 48000 Hz and to 2ch-16bit. However, nothing changed.. If headphones are plugged sound comes from speakers, but when I choose headphones manually there isn't sound at all.


I am using iAtkos s3v2, updated from 10.6.3 to 10.6.5. Audio drivers are standart from that package (VoodooHDA+AppleHDA - I don't know which from them is giving an effect). If I try to update/delete these sound drivers sound disappears. Latest VoodooHDA shows me Speaker (ATAPI) instead of (CD) and I don't get any sound at all. Returning these drivers won't fix the problem - only reinstalling of iAtkos.


My audiocard is Realtec ALC268 and it's working on Intel 82801HBM ICH8M - High Definition Audio Controller.


Hope you will help me to fix my headphone problems and make me fully-working HackBook.

In any additional information is needed - just write to me and I'll try to provide it.


Attaching some screenshots and getdump log if it's needed...


Happy Holidays and please find some time to help me :)




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Moderators, please move this topic to "Sound" section of "Hardware" forum, because there I have much more chances to be heard..

Thanks in advance! :rolleyes:

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i have the same problem with my Acer 7720G

I dont have any probleme with headphones but SPDIF ALC 268 doesn't work.

if you have something news please let me know

we keep in touch my email : lazzyvn@ yahoo. com

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