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MAC OS X left speaker not working

I hope this is an OS problem.  This is a brand new G4 with the clear case.  I have the Harmon Kardon sound sticks.  Everything worked fine for about 2 weeks then the left speaker stopped working.  I bought another pair to test and see if it was the speaker but that did not work.  I went ahead and changed all the components including the sub but then nothing worked.  I put the old stuff back and that did not work. I restarted and finally got it to work with one speaker so I tried the new speakers again but they did not work.  I put it back to the old again to see if the right would work by itself again but nothing worked.  Could this just be a bad sound card or bad on the motherboard?

Thanks!
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mangiola
Asked:
mangiola
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1 Solution
 
jvuzCommented:
The speakers, are they a sperated set? If so, try them on antoher system.
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Cyber-DudeCommented:
Try to update software, from the looks of it they addressed this issue;
http://developer.apple.com/technotes/tn/tn2025.html

Good luck

Cyber
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mangiolaAuthor Commented:
Hi jvuz,

yes they do work on another system.

thanks
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Cyber-DudeCommented:
My guess is the the speakers are mistakenly being detected by the OS as a mono speakers thus disabling the lest side of the speakers while keeping the right wing operational. I also would go to the 'balance' directions. Try to verify that the balance is properly configured.

If the problem is detection issues, you will have to cause the system to redetect its internal components. In order to do so, go to the following link and reset the PRAM (READ THE WHOLE INSTRUCTIONS FIRST). After redetection, try to replug the speakers, I think this will work.

Links
How to Reset PRAM
http://docs.info.apple.com/article.html?artnum=2238

Good luck

Cyber
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mangiolaAuthor Commented:
Thanks Cyber,

I will try that this week when I am back in town.
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