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Mac Mini sound goes to zero on its own.

358 Views 5 Replies Latest reply: May 4, 2012 9:57 PM by BDAqua RSS
mykeymac Level 1 Level 1 (0 points)
Currently Being Moderated
May 1, 2012 4:43 AM

I have had my mini since 2009. This issue has happened intermittantly since I got it but has happened several times in the last while. The sound output goes to zero. On it's own. I go into system preferences to sound and slide the bar back to my desired level and all is ducky until it happens again. I suppose I should have spoken to Apple about this when Applecare was still in play but it did not happen much. Silly me. Any ideas about the cause? I am guessing this is mobo related and a cure will be costly. If I go that route.

 

I run a line out of the headphone jack that splits to my amp and a set of headphones.

Mac mini, Mac OS X (10.5.6)
  • BDAqua Level 10 Level 10 (114,705 points)
    Currently Being Moderated
    May 1, 2012 11:52 PM (in response to mykeymac)

    To find out if it's system wide or user specific, try this...

    Open System Preferences>Accounts, unlock the lock, click on the little plus icon, make a new admin account, log out & into the new account.

     

    Does Sound work in the new account?

  • BDAqua Level 10 Level 10 (114,705 points)
    Currently Being Moderated
    May 2, 2012 6:30 PM (in response to mykeymac)

    Next time it happens... Open Audio Midi Setup in Applications>Utilities, see the input & output options & KHz setting there, some things will change it for their own use, then not set it back.

  • BDAqua Level 10 Level 10 (114,705 points)
    Currently Being Moderated
    May 4, 2012 9:57 PM (in response to mykeymac)

    Well, it was just a shot at a possibilility.

     

    Safe Boot, (holding Shift key down at bootup), & use Disk Utility from there to Repair Permissions, trash these files...

     

    Users/YourUserName/Library/Preferences/com.apple.soundpref.plist

     

    /Users/YourUserName/Library/Preferences/com.apple.systempreferences.plist

     

    Reboot.

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