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Error messages at Boot

7 posts in this topic

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  • Intel DH55HC, core i3 processor, Quadro Fx1800, 8 GB RAM
  • Sounds, sleep, shutdown & Powermanagment not working
  • Edited DSDT
  • Lion OSX 10.7.5
  • Using Chamaleoon - Chameleon_v2.1svn_r1547.pkg

Please refer to the error messages received at the boot prompt.


  • Kext com.apple.driver.AppleHDAController - library kext com.apple.iokit.IOGraphicsFamily not found
  • Can't load kext com.apple.driver.AppleHDAController - failed to resolve library dependencies.
  • Kext com.apple.driver.AppleHDAController failed to load (0xdc00800e).
  • Failed to load kext com.apple.driver.AppleHDAController (error 0xdc00800e).
  • Couldn't alloc class"AppleHDAController"

Can you please suggest the right fix?




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your AppleHDA.kext is not loaded, do you use a patched AppleHDA.kext?


maybe you should repair permissions and rebuild kernel cache. Use kext wizard for this


try to boot with -v -f flags if you freeze on this error

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Currently booting with:


UseKernelCache=No -f -v (KP without UseKernelCache=No -f)


Yes I am trying to get audio to work, deleted the original AppleHDA and installed patched AppleHDA, although no luck with sound.


DSDT edits have been made for sound.


Infact, do we need to install the KextWizard of just run it form desktop? When ever I provide the boot flag options in org.chamaleon.boot.plist, for some reason it is not accounted at the boot.


Is there any other way to fix?

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not matter if Kext Wizard is in your Application's folder or on your Desktop


anyway, this error is something due to the problem with your patched kexts for your audio


maybe it is better to use forum search feature to find more infos about how to get work your audio   ;)

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I tried to search, but no luck and that's why I opted to open this thread.


Will be glad if you can assist or point me in the right direction.


I want to use KernelCache - how can I ?

Also, need help with sleep, shutdown, Powermanagment and sound.

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Thanks fantomas1 for your feedback.


I have the appleHDA which were working prior to Lion OSX reinstall. The intel mobo take ALC888s codecs.


My major issue is in installation of AppleHDA.Kext, if I am trying to use KextWizard I get all the errors stated above. But if I choose to install ALC888 AppleHDA.Kext using MuliBeast tool, no errors are prompted at boot. But ofcourse since the codec is not correct, there is no audio.


Can you recommend any other installation option of the kext file.


Attached is the AppleHDA file, please suggest on the right installation procedure.


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