Question about HP Pavilion dv9720us Notebook
Sounds to me like you are missing the drivers for the soundcard...the drivers are basiclly the software thatallows your computer to communicate with the hardware (in this case the soundcard).
What you can do is download the drivers and install them , which should get you your sound back!
You can download them here:
Posted on Oct 02, 2008
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Posted on Jan 02, 2017
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