Audio out put

my mac book pro 17" doesn't see the internal speakers anymore only digital out. cann't find any connection to the speakers. who knows how to solve this problem??
Rob

System Preference > Sound > Output > Internal Speakers
Make sure Mute is not enabled.
If you see red light in the headphone port, plug the headphone
in and out of the port 5 or 6 times to flip the microswitch inside.
Sound output may be stuck in the digital mode.
Reset PRAM.  http://support.apple.com/kb/PH4405
Reset SMC.     http://support.apple.com/kb/HT3964
Choose the right  method for resetting SMC.
Best.

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    Message was edited by: AppleNewton

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