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Apple Notebooks Apple's notebook computers including MacBook Pro, MacBook, MacBook Air, PowerBook, and iBook.

MacBook Pro - No Sound


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bobtomay

 
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Member Since: Dec 22, 2006
Location: Texas, where else?
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Mac Specs: 15" MBP 2.33 C2D 256 4GB, MBA 13" i7 1.8, MB 2.0 2GB, Nano 4th, 3GS, iPad 1

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Had sound yesterday. Last thing I did was watch a youtube video someone sent me a link to. Sound was working at that time. Plugged in my headphones after it started playing in order not to disturb the wife's TV watching.

Today - no sound, from any app - I do have sound through the headphones, just not the internal speakers. No sound in Leopard, my Tiger backup, nor when booting into XP. I do get the startup chime.

Will not allow me to adjust the volume from the slider for volume in the menu bar. And have the following images - one is the image when using the keyboard shortcuts - the other in System Preferences, where you'll see functions are greyed out.

Ran the hardware test - no problem there, but it does not test the sound.

Also tried resetting pram.

Any ideas?
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In the Windows world, most everything folks don't understand is called a virus.
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bobtomay

 
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Member Since: Dec 22, 2006
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Mac Specs: 15" MBP 2.33 C2D 256 4GB, MBA 13" i7 1.8, MB 2.0 2GB, Nano 4th, 3GS, iPad 1

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Fixed - after I actually looked at the headphone outlet, noticed the red light of the optical out was on. Used a toothpick (didn't have any bobby pins around) to very gently tickle the tab for the optical connection in the outlet. Red light off - all is working again.

I cannot be held responsible for the things that come out of my mouth.
In the Windows world, most everything folks don't understand is called a virus.
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Foxyg22

 
Member Since: Oct 29, 2007
Location: England
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Hi
I've had exactly the same problem as you and didn't know what to do. I've tried tickling the optical outlet but it only flickers off and then comes back on. Any ideas why this isn't working?
thanks
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kfordham281

 
Member Since: Feb 19, 2007
Location: Atlanta
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Just had this same problem happen to me after using my Ultimate Ears earphone. I was able to use a coffee straw to get my sound back; yeah!

Apple Mac HQ - Apple/Mac News, Reviews, and More
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Big-Foot

 
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Member Since: Oct 29, 2007
Location: Minneapolis
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Mac Specs: 17" matte screen MBP 2.6GHz - 7200RPM 200G

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This is a dirty-contacts issue and is actually a known problem for these style connectors. You can spray some contact cleaner on a 1/8" stereo plug and exercise the jack by sliding it in/out to transfer some of the cleaner. It's not advised to spray the cleaner into the port - or at least if you do - don't spray so much that it would run out onto the plastic of the case. It evaporates quickly...

Regards - Randy in Minneapolis, MN
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