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HELP Sound stopped working Powerbook G4 (pics)

E

EB66

macrumors 6502
Original poster
Mar 4, 2008
263
0
I was on my computer and went to play some music but there was no sound, the volume meter would go up and down when i would hit the keys on the keyboard but it would not get louder and no sound would come out.

So i restarted the computer and tried the sound again but now when i press any of the sound up/down/mute keys this comes up
Picture2.jpg


im not sure what to do in the sound preferences it shows this
Picture3.jpg


and in midi setup it shows this
Picture4.jpg


any suggestions please let me know im in desperate need of help
 
Hi,

did you try using Disk Utility (/Applications/Utilities/Disk Utility.app) to repair disk permissions? It's one of those magic tricks that make a lot of problems go away.

Question 2: Is there a red light coming out of your headphone jack?

/Rupert
 
Problem fixed i just zapped the PRAM and im good to go now
 
same problem

I have been having the same problem. Sometimes when I turn on my computer it makes the "BONG" sound, but then no sound works after that. Usually I can restart and the sound comes back, other times it does not work. I ran the repair disk and it fixes the problem, but then next time I turn on the computer there is no sound again. The first time the Disk repair fixed permissions, but now all it says is "ACL found but not expected in Library." Any ideas on what is going on?
 
daapw110 said:
I have been having the same problem. Sometimes when I turn on my computer it makes the "BONG" sound, but then no sound works after that. Usually I can restart and the sound comes back, other times it does not work. I ran the repair disk and it fixes the problem, but then next time I turn on the computer there is no sound again. The first time the Disk repair fixed permissions, but now all it says is "ACL found but not expected in Library." Any ideas on what is going on?
Click to expand...


ACL errors are fine on your powerbook. I remember reading this somewhere on apple's site. As for the other problem have you tried reseting the PRAM and or the PMU?

http://docs.info.apple.com/article.html?artnum=2238
 
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