[X4U] Fwd: MacBook Pro Audio Crisis - please help!

[Paul Moortgat]

I should re-install the latest update version of the OS you use now  
OVER the present OS.  Run the update again.  To do it you must  
download it first from Apple.

Paul Moortgat

On 11 Apr 2007, at 22:22, Steve Talkowski wrote:

> A fellow Mac user on a non-computer related mailing list is having  
> the following problem.  Nothing that I've ever encountered before  
> on my MacBook Pro.  Any ideas I can send his way?
>
> -Steve
>
>> I know there are some Mac wizards on the list, so I'm hoping  
>> someone can
>> help me with a bizarre development: My MacBook Pro is suddenly  
>> refusing to
>> make any noise.  When I try to turn the volume up or down using  
>> the keys in
>> the top row of the keyboard, I get that "forbidden"/"Ghostbusters"  
>> symbol
>> (you know, the circle with the line through it).  What is going  
>> on, and how
>> can I fix this???
>>
>> (I've already shut down and restarted the computer--it didn't work.)
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