GUIDE Ok,Go to system/library/extensions and delete applehda.kext Now, Drag the sigmatel_9205.txt onto the appleHDAPatcher. Once the process is completed press quit. Now run Kext helper v7,once the program is open drag the supplied AppleHDA.kext. Then enter your password in the password field and press enter.Once completed. shutdown the computer and you should have audio! All of the required files are attached . If you need additional help feel free to ask! I need aditional help. I can't find system/library/extensions and I don't know why. Because when I'm going to system there is no folder library... Please help me. My email is: firstname.lastname@example.org Please let me know as soon as it possible... Thanks in advance ps. I can't run AppleHDApatcher. Should I extract this by winrar? Or need I special program? I don't know.