Why has the sound mute on my itune all of a sudden ?

@pimagro24 (1046)
September 30, 2008 9:55pm CST
It's brand new macbook, itunes was working up until 3 days ago, and suddenly decide not to play sound , though it appear to be playing the file , the sound work elsewhere ? i.e internet.
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1 response
@numslock (55)
• Singapore
1 Oct 08
did you check your volume? or is it the volume of the speakers or iTunes that is mute?
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