Since you are restoring from backup the permissions for the file should remain intact, but you can also verify or repair them using Disk Utility as an added step. Select the "AppleHDA.kext" file in Pacifist and then click "Install" in the toolbar.Īfter this is done, restart the system and you should be good to go. (Alternatively you should be able to search for "AppleHDA" in Pacifist's search bar to locate it.) Navigate to the "AppleHDA.kext" file in the updater, which is in the following location:Ĭontents of MacOSXUpdCombo10.6.7.pkg > Contents of Manual > Contents of MacOSXUpdCombo10.6.7.pkg > System > Library > Extensions Open the updater package on the disk image with Pacifist. To do this, download the updater in addition to the package management tool Pacifist, and follow these instructions:ĭouble-click the 10.6.7 combo disk image to mount it, and open Pacifist (wait 15 seconds for the registration request if you have an unregistered version). Using Pacifist you can search for the AppleHDA kernel extensions to locate it (click for larger view).Īlternately, you should be able to accomplish the same task by downloading the OS X 10.6.7 Combo updater and extracting the included HDA kernel extension from there. Restore the file, replacing the one in your current folder. Select the "AppleHDA.kext" file in the Time Machine backup. Invoke Time Machine and migrate back to a time before you installed OS X 10.6.8. Go to the /Macintosh HD/System/Library/Extensions/ folder. To do this, you will need a Time Machine backup of OS X, and then follow this procedure: The quick workaround for now if you are experiencing audio problems is to revert to a previous version of the kernel extension in hope that it restores audio functionality again.
In addition, another problem that has cropped up is various audio problems including no audio, and audio cutting out after a period of playback.Īs with the printer problems, the current audio issue appears to be a problem with an updated system file, namely the AppleHDA (High Definition Audio) kernel extension. So far the prevalent issues that have cropped up for the OS X 10.6.8 update have been an inability to print with some printers, and some incompatibilities with a few popular programs that have cause some system-wide issues for people using those tools (crashes and high CPU usage).
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