NO SOUND on PAVILION dv9000, after upgrade

I work in my notebook for more than a month, I used the Manager device, Manager of recovery, add material, install uninstall. Nothing works for more than a few hours, after that the sound go away. My specifications say NO AUDIO DEVICE ARE INSTALLED. I don't have the software in the laptop. No disk support. I'm tired of looking for it.

Please someone help me.

Thanks in advance

Hi peprivas

Thanks for posting your product number (please do not post your serial number).

Tags: Notebooks

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