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Author Topic: Sound Problem  (Read 2966 times)

Offline Greg Dunn

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Sound Problem
« on: August 16, 2003, 08:56:01 AM »
I've got a Power Macintosh G3 Desktop, and all of a sudden, there's no sound.  It was working fine, and after I put in a new memory module, the sound stopped working.  I know that it's not a software problem, because I've swapped hard drives.  When I try to play a sound, the menu bar flashes, as it does when the volume is muted.  The rear speaker jack doesn't work either.  There's not even a startup chime.  Is there a manual sound switch that I'm missing somewhere?
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Offline pendragon

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Sound Problem
« Reply #1 on: August 16, 2003, 09:05:17 AM »
Greg, What OS are you using?

Still, a couple of thoughts (guesses)-

Zap the PRAM and ensure the Mute button is not enabled and the Volume slider is fully on.

Harv
« Last Edit: August 16, 2003, 09:09:17 AM by pendragon »
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Offline Greg Dunn

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Sound Problem
« Reply #2 on: August 16, 2003, 09:22:30 AM »
Greg, What OS are you using?

Still, a couple of thoughts (guesses)-

Zap the PRAM and ensure the Mute button is not enabled and the Volume slider is fully on.

Harv  

I'm using 9.1.  I've pushed the reset button on the logic board. When I try to increase the volume, the button won't stay put, it goes back to the minimum volume position.  I've checked the mute button, and it's not enabled.  The machine's acting as if there's a physical, not software, master volume switch.  Like I said, I'm not even getting a startup chime anymore.  I figure that if it was a software problem, there'd at least be a startup chime.
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Offline Al

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Sound Problem
« Reply #3 on: August 16, 2003, 12:03:52 PM »
Hi Greg,

You said this started when you added memory to your Mac.  Try and reseat the sound card.  It may have come loose for some reason.
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Offline Greg Dunn

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« Reply #4 on: August 16, 2003, 02:17:56 PM »
Tried that, too, although it's not easy. 4 screws, and one's hard to get to.  Still nothing.  Methinks I might have a lemon.
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Offline Bill

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Sound Problem
« Reply #5 on: August 16, 2003, 02:26:42 PM »
Have you tried pulling that "new memory module" back out and then see what happens?
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Offline Al

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Sound Problem
« Reply #6 on: August 16, 2003, 02:36:16 PM »
Try what Harv and Bill suggested.

Zap PRAM, restart and hold down the command, option, p&r keys.  Also, try it from a cold start too.  Shut down Mac and the start it and hold down keys.

Then try removing the memory and see if that helps it sing.
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27" 2.8 GHz Intel I7 iMac, 8 GB RAM, 2 TB HD, 2x 2TB OWC Mercury Elite-AL Pro external HD, EyeTV 250 Plus, 23" Acer HD monitor, OS 10.6.7
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Offline jepinto

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Sound Problem
« Reply #7 on: August 16, 2003, 06:16:35 PM »
Greg  Read thisArchived Thread for an idea.

Look for "persnikity" wink.gif
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Offline Greg Dunn

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« Reply #8 on: August 16, 2003, 06:24:52 PM »
Pulled the new memory.  Zappd the PRAM.  No luck yet.   wallbash.gif
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Offline Greg Dunn

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« Reply #9 on: August 16, 2003, 06:29:06 PM »
Jepinto:  Read the thread, thanks.  Still no luck.
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Offline Bill

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« Reply #10 on: August 16, 2003, 06:58:32 PM »
Greg, I had a similar (well actually, maybe not so similar) situation sometime back.
Take a look at this thread.
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Offline Greg Dunn

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« Reply #11 on: August 17, 2003, 03:42:36 PM »
Looked at the thread, thanks.  There's no sound either with or without external speakers.  I'm beginning to figure that the problem lies with the AV card, maybe it died on me or something.  I just bought the computer a week ago from DVWarehouse, so Monday I'm going to see if they'll exchange it for me.  Thanks all for all help & suggestions.
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Offline kbeartx

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« Reply #12 on: August 17, 2003, 07:18:50 PM »
Greg -

The symptoms you describe are exactly what happens when the AV (or Sound, or Personality) card is not perfectly seated in its socket.

I speak from Personal Experience, it Happened To Me on this exact same model Mac.  I forget what I did that disturbed it in the first place, but once I removed and carefully reseated it, All Was Well Again.

It is certainly within the realm of possibility that inserting new memory modules could 'flex' the mobo just enough to 'pop' the Personality Card out of its socket a bit and start this whole chain of events.

 - kbeartx
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Offline Greg Dunn

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« Reply #13 on: August 18, 2003, 03:47:53 PM »
I suspect that you're right about the AV card, but I'm unsure how to remove it.  There's two screws on top, back where you put the screws next to the PCI slots, and then there are two more, attached to the card itself.  Those are pretty difficult to remove, especially the lower one.  I'm a little skittish about removing them, klutz that I am.  I tried starting up the computer while pushing down the AV card into its slot a little further, but still no luck.  It does seem loose, though.
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