So there have been many updates to the audio since the 1525_codec and the AppleHDAPatcher that were included in the ever-so-popular drivers pack. Since then the Internal Microphone has been enabled as well as the External Microphone, switching to both the left and right headphone jacks for headphone use (just not both at the same time…yet), the sliders for the Internal Mic and External Mic which allows for less background noise when using the Microphone, and all while the Internal Speaker works beautifully. But of course you can’t get these updates with the previous codec dump so it is time for a long awaited update to the site.
To get the new audio kext working, you will need Kext Helper and AppleHDA.kext which can be found here. Just delete ALCinject.kext and AppleAzalia.kext beforehand and then load the new AppleHDA.kext with Kexhelper and restart. Upon restarting, you should find everything working great.
***In the rare case that this does not work for you,¬† try Richard’s instructions in the comments***
If you found this guide useful then feel free to make a donation by clicking the link at the end of the Author’s Mini-Biography. Any amount truly does help.
(Richard: Thanks! Now I can rock out with audio out and blow my speakers.)
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February 25th, 2010 at 11:38 pm
Comment translated from Russian:
URAAAAAAAAAAAA
Dell 1525 sound to work!
1. Removed one kekst AppleAzalia.kext (ALCinject.kext not found)
2. put the downloaded Fail AppleHDA.kext from this site using Kext Helper b7.app
3. rebooted.
4. Jumped for joy:)
Thank HUGE !!!!!!!!!!!!!
Original Comment:
УРАААААААААААА
Dell 1525 звук заработал!!!
1. Удалил один кекст AppleAzalia.kext (ALCinject.kext не нашел)
2. поставил скаченный фаил AppleHDA.kext с этого сайта с помощью Kext Helper b7.app
3. перезагрузился.
4. Прыгал от счастья :)
Спасибо ОГРОМНОЕ!!!!!!!!!!!!!
February 3rd, 2010 at 12:26 pm
Hey Thomas,
Any chance you could give me some hints on how to get the following audio card working?
00:1b.0 Audio device [0403]: Intel Corporation 82801I (ICH9 Family) HD Audio Controller [8086:293e] (rev 03)
I have tried virtually every kext i can think of and have several active threads over on InsanelyMac forum on this issue. It seems like it should be trivial to get it working but for some reason it is not.
My current guesse is that I am missing the com.apple.driver.AppleHDAController. Any idea where I can find this?
Additional info is here:
http://www.insanelymac.com/forum/index.php?showtopic=97201&st=180&start=180
Last post in that thread.
Best regards,
Gasher
January 30th, 2010 at 11:28 pm
To which two files are you referring? And if by hot keys you mean media keys then it should not effect audio playback as they are controlled by two totally different kexts.
January 30th, 2010 at 7:52 am
i tried to find these 2 files but i didnt find them firstly my sound is working well but when i istall the hot keys then it went to mute ..any help?
October 19th, 2009 at 12:21 pm
Yes, i have a sigmatel 9205, but for some reason nothings working. i followed all the instructions i could find step by step carefully. Nothing.
October 19th, 2009 at 11:47 am
This guide was for the Inspiron 1525 with the Sigmatel 9205 Codec. If your Inspiron 1521 does not use Sigmatel 9205 then this fix will not work.
October 18th, 2009 at 11:02 pm
Hey, i just tried richards method and STILL nothing. i’ve been at this for days. i’m using iatkos v7 and a Dell Inspiron 1521. ive tried so many different kext files and guides i’ve lost track. Nothing will work for me.
please help
thank you in advance.
August 22nd, 2009 at 6:16 pm
Please follow Richards comment below (Comment #6) and that should work for you.