Lost sound

Any idea why I may have lost all sound to my laptop? The system finds no audio devices installed, WTH?? Just lost sound recently...

Hi,
Yes, as per your PC specs:
http://h10025.www1.hp.com/ewfrf/wc/document?lc=en&dlc=en&cc=us&docname=c00835807
It is was shipped with Onboard HD Controller from REaltek, if you tried all Steps on the webpage given below:
http://h10025.www1.hp.com/ewfrf/wc/document?cc=us&lc=en&docname=c00833257
You may have to purchase PCI sound Card that can be installed in following Procedure>
http://h10025.www1.hp.com/ewfrf/wc/document?docname=c00593575&tmp_task=useCategory&lc=en&dlc=en&cc=u...
http://h10025.www1.hp.com/ewfrf/wc/document?cc=us&lc=en&docname=c01050076
Thank You.
Kiran Talluri
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