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the sound isn't working on my mac - icon disappeared as well

The sound isn't working on my mac. The icon disappeared as well.

Posted on Mar 10, 2012 5:17 PM

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Posted on Mar 10, 2012 10:53 PM

Please post your iMac model and Mac OS version. Doing "About this Mac" form the Apple menu will provide the processor type, which will tell people the basic model variant, and the OS version.

11 replies

Mar 11, 2012 11:58 AM in response to mofromil

The computer is Mac OS X version 10.5.8

No it isn't, that is your operating system (Leopard). We still don't know what Mac you have, so only one of these applies, but should fix the issue:


Resetting the SMU on a G5 iMac:


http://support.apple.com/kb/HT1767


and on resetting the PMU on a Power Mac G5, G4 and G3 :


http://support.apple.com/kb/HT1939?viewlocale=en_US


http://support.apple.com/kb/HT1436


Resetting the SMC (System Management Controller) on Intel-based Macs:


http://support.apple.com/kb/ht3964


Resetting your Mac's PRAM and NVRAM:


http://support.apple.com/kb/ht1379

Mar 11, 2012 12:08 PM in response to mofromil

Hello Again,


By what you say, it might be possible that you have changed a setting; spcifically the volume output drop down.

To check if this is the case, launch 'System Prefrences'. Click on 'Sound', and near the bottom, there should be the option to change the volume output. Select 'Built in Speaker' or similar.


I hope this helps - as Klaus said, we still dont know which mac you have.

To find the model of mac that you have, go to the apple menu, and click 'About this Mac'. Click 'More Info...'. Look for 'Model Identifier' (on Leopard, it might say Machine Model, but I'm not sure, as I am running Lion on a couple of machines, and Tiger on the other!). Copy and Paste it into a message on this forum, and we should be able to help you.


Regards,

George

Mar 11, 2012 12:14 PM in response to mofromil

Look directly into the sound output port on your Mac (which type of Mac is it, by the way?). This is the port that you would plug headphones into, or external speakers. Do you see a red light inside that port? (You should not see a red light, but if you do, that means there is a specific problem that has a specific fix you can do.)

Mar 12, 2012 12:13 AM in response to mofromil

OK, well at least we now know that it's an iMac G5 w/iSight.

Personally, I reckon that your best bet is to take it into the Genius Bar. They'lle probably have it fixed in minutes!


One thing to do before that though;

  1. Launch Disk Utility
  2. Click on your main (startup) drive in the left hand side of the window
  3. Near the big white box (roughly in the middle of the window), click 'Repair Disk', and then 'Repair Disk Permissions'.


Also what you could try is deleting 'Library/Preferences/com.apple.BezelServices.plist'


One more thing; ensure your mac is FULLY up to date with Software Update!


I hope this helps, but, as I said, your best bet is to take it into the Genius Bar.

I look forward to hearing what is wrong with it.


All the best,

George

the sound isn't working on my mac - icon disappeared as well

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