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I was using my laptop last night watching a live stream online I went to bed, woke up and packed my stuff up to leave campus, by the time I got home, around an hour or so, I start my laptop up and my audio is no longer working. when i clic on the sound icon at right siude of the task bar, it shows it isnt muted, and the green bar showing how much sound the audio should be keeps going up, but no sound. NOTHING is muted at all, i tried doing control panel trouble dhooting for playback devices and it didnt find anything wrong. I've looked at multiple posts about this. was there some OS update that caused my driver to be outdated? any help would be GREATLY appreciated! Thank you, my laptop information is below. I'd also like to say that I have yet to have anything wrong with my laptop until this.

 

Product name: HP Pavilion m7 Notebook PC
Product number: B4T70UA#ABA

Windows 7 Home Premium 64-bit Service Pack 1

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