Hi John

Sound can also be reset (sometimes) with a PRAM reset.
Try that and see how it goes. Otherwise could be a hardware problem if other
resets don't work.

PRAM reset - <http://support.apple.com/kb/ht1379>

Kind regards
Daniel

Sent from my iPhone

---
Daniel Kerr
MacWizardry

Phone: 0414 795 960
Email: <daniel @ macwizardry . com . au>
Web:   <http://www.macwizardry.com.au>


**For everything Macintosh**


On 4/3/11 10:10 PM, "John Daniels" <jdani...@westnet.com.au> wrote:

> 
> Hi Folks
> We have an iMac intel running 10.5.8 which does not have sound through the
> inbuilt speakers.  Earphones operate OK and the startup sound is OK. System
> Prefs>sound  is not showing the inbuilt speakers, only headphones. I have
> tried plugging/unplugging the headphones several times from the socket but no
> change. 
> 
> Volume controls are operable only with headphones in.
> 
> Can anyone suggest anything further?
> 
> Cheers
> John 
> 
> 
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