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

[Doug McNutt]

At 15:34 -0500 4/11/07, Linda wrote:
>On 4/11/07 3:22 PM, 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?
>
>Do they work if he holds down the Function key and hits the buttons? If so,
>that's a preference in the System Prefs, must have gotten changed somehow...

Some other quick questions. . .

Does the machine chime during a cold startup?

Is anything plugged into the headphone jack?

Has anything been plugged in there that might have mucked with the little switch in the jack?
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