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Lost my sound on pavilion and external speakers. A strange sound was constantly coming out

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Microsoft Windows 7 (64-bit)

a high pitch sound streaming out of sound speakers. I rebooted and nothing. There is a problem with my audio device. I have uninstalled and reinstalled audio driver on the device manager. To no luck. On the sound tab under playback it says no audio devices found.       Set default is greyed out so not permissable and hardware changes were not found. One other error message, scan for recent hardware completed...... Anyone??

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Welcome to the HP Forums!


Thank you for posting your query on this forum, it's a great place to find answers.


Don’t worry, I assure you I will try my best to get this sorted.


In order that I may provide you with an accurate solution, I will need a few more details.

  • When was the last time the computer was working fine?
  • What is the exact model for your computer?

While you respond to that, I recommend you update the BIOS and the chipset driver from the below link and check whether the issue is resolved.


Let me know how it goes and you have a great day!


If you wish to show appreciation for my efforts, mark my post as Accept as Solution. Your feedback counts!



I am an HP Employee

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