No audio on hp Pavilion dv7-6157 cl notebook, Window7 64 bit

HP Pavilion dv7-6157 cl, Windows 7 64 bit.
The only sound is a sound at startup. After running several fixit suggestions I now receive a notice from:
" HP Connection Manager.exe Cannot load assembly
CaslShared, Version=3.5.1.1, Culture=neutral,
PublicKeyToken=9c6f83d5b7f3d097
The application will now exit. "
When the audio wentout I also lost use of Microsoft Office Starter. I have gone to Sound and everything says it is working and installed. But when test, nothing. I've fought this for over a month now, and really miss audio, someone please help.

Hi
Please find the link given below might help you to fix your issue.
Resolving No Sound or Audio Problems in Windows 7
Tips for fixing common sound problems Microsoft
Let us know how it goes!
"I work for HP."
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Regards
Manjunath

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@rerateusa
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****Please mark Accept As Solution if it solves your problem****
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No audio on hp Pavilion dv7-6157 cl notebook, Window7 64 bit

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