I am at it AGAIN

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from past few days its agian giving me no SOUND...

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when i check option of digital ouput of my speakers its gives me HISS sound...that means my speakers and soudn card is working fine....
reinstalled drivers for SOUND CARD.....
I ahve also checked with CREATIVE one utility which checks for SOUND CARD h/w ......and its detecting everything........
yet NO SOUND

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