Are you using the internal tuner or an external source such as a dvd player or cable box? if its an external box of some sort make sure the audio cables are connected, typically the red an white ones. sounds silly I know to forget such a thing but I have seen pros forget such things.
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Are you using the internal tuner or an external source such as a dvd player or cable box? if its an external box of some sort make sure the audio cables are connected, typically the red an white ones. sounds silly I know to forget such a thing but I have seen pros forget such things.