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No Audio Output Device is installed

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HP ENVY All-In-One 27-b2xx
Microsoft Windows 10 (64-bit)

The HP All-In-One has Bang & Olufsen speakers built in.  The speakers were working fine, until after a Windows update.  How do I get the computer to recognize the speakers?

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Thank you for posting on the HP Support Community.


Don't worry as I'll be glad to help, however, to provide an accurate resolution, I need a few more details

  • Have you checked the physical connection? Did you try to run the Microsoft Sound Troubleshooter?
  • Have you tried to check if you can hear sound while using the headphones?

Many startup errors and other problems can be resolved by decreasing the amount of power stored in hardware components. Decreasing stored power is sometimes referred to as a "Hard Reset". Use the following steps to perform a hard reset on a computer:

  • 1. If Windows is open, click Start and then Shutdown.
  • If Windows is not open and the computer has power, press and hold the power button on the computer until the computer shuts off.
  • 2. With the power off, disconnect the power cord from the back of the computer.
  • 3. With the power off and the power cord disconnected, press the power button on the computer for 5 seconds. The power light indicator on or near the power button might turn on briefly but then go out.
  • 4. Reconnect the power cord and turn on the power.

Next thing, I would suggest here is to Run Windows Updates troubleshooter - Download and install the troubleshooter from this link.


Hope this helps! Keep me posted for further assistance.
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