Download windows 7 ultimate Sound Device

I upgraded my Windows Vista 32 bit to Windows 7 Ultimate 64 bit on HP Pavillon dv9610us Notebook ,but now "No audio output device is installed" with X mark on the volume icon in desktop task bar.

I have tried several approach to download and fix the problem, but there is no solution yet.

Please help.

Thanks
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  1. HP_dv9610us said:
    I upgraded my Windows Vista 32 bit to Windows 7 Ultimate 64 bit on HP Pavillon dv9610us Notebook ,but now "No audio output device is installed" with X mark on the volume icon in desktop task bar.

    I have tried several approach to download and fix the problem, but there is no solution yet.

    Please help.

    Thanks
  2. HP Support for drivers ...
  3. This is same problem that i faced before few days. Download and try 'realteck' driver/software.
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