Hello Martin

Do you get sound if you insert earphones? If yes, then the operating system is probably OK.

Your start-up chime should also work if there is no hardware problem. And that is independent of the operating system.

Try using some headphones or an external amplifier and re-boot.

Sometimes the earphone jack (female) can be faulty or starting to corrode and the switch turning on and off the internal speakers just needs a clean.

If this is the case inserting the earphone plug and withdrawing it a few times can get it working.

Good luck.

Kind regards

Greg Manzie
Director

Glyde Gallery Conservation
Conservators, Consultants and Picture Framers,
for Museums, Art Galleries and Collectors.

5 Glyde Street
Mosman Park
Western Australia 6012

ABN     89 154 124 265

Phone   (08) 9383 3929
Mobile  0448 844 381

Email   gman...@bigpond.net.au



On 18/09/2009, at 7:22 PM, Martin Sulkowski wrote:

Yes it is set to internal speakers
Martin

From: craig.br...@maxstyle.com.au
Subject: Re: speaker on i-mac 17" 2GH intel
Date: Fri, 18 Sep 2009 17:08:24 +0800
To: wamug@wamug.org.au

Well double check to make sure the volume is at full and not muted then go into applications/utilites/ audio midi setup and check that built in output is set to internal speakers
--

Craig Bruce
Director

M  0403 040 088
P  08 9367 4691
F  08 9367 4692
E  craig.br...@maxstyle.com.au
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On 18/09/2009, at 4:45 PM, Martin Sulkowski wrote:

HEEELLpppp

My speaker suddenly stoped working...listened to some music ...workeed on the mac....and it was gone...could I have hit a wrong button?I was moving between i-tunes and safari back and forth.

Even downloads like" about bento "have no sound....or is it too simple and the speaker is simply gone.

Martin


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