Hi, I have a HP Pavilion dv9700 and dv9910us running Windows 7 Ultimate 64 which is actually upgraded from the windows XP, and all the things were working perfectly while I was having windows XP, but since I have installed windows 7 on my machine I have started getting errors as the most irritated was regarding the audio, I when I seen in the device manager, it was written like no audio device found in the machine though I have already connected. So what will be the problem, any one have any idea? Thank for any suggestion.
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