Just remove the speaker wire from computer and check some other speakers with it like headphones if sound is there or not???if yes then might be problem with your speakers if not then you have to update your sound drivers...for that you can use softwares like driver genius it is really a good software...
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Just remove the speaker wire from computer and check some other speakers with it like headphones if sound is there or not???if yes then might be problem with your speakers if not then you have to update your sound drivers...for that you can use softwares like driver genius it is really a good software...