Message "No audio output device is installed" on HP Pavilion B&O

[alcuintech]

This link in this post does not work - the drivers for this model appear to have all been removed - any other places to find them would be helpful

[Echo_Lake]

@alcuintech

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:

• What is the product number of your device? Use this link to find it: http://support.hp.com/us-en/document/c03754824
• What is the operating system?
• Have you tried an earphone or Bluetooth audio device?
• Is there Red X or Exclamation mark on speaker icon?

Keep me posted for further assistance.

[Alexandrv]

Hello. After august updates I have no sound. Please help me with that.

[Echo_Lake]

@alcuintech

Thank you for posting back.

• Have you tried selecting the speaker setup option from unknown to the known device?

And, also you can perform Microsoft system restore: 

System Restore returns your computer to the files and settings from the restore point. Your personal files and documents are not affected.

Click here: https://support.hp.com/in-en/document/c03327545 to run a Microsoft System Restore (Windows 10, 😎

Use the troubleshooting tool in Windows

The audio troubleshooting tool in Windows can automatically fix common audio recording and audio playback problems with your computer. Run the troubleshooting tool using the following steps:

• In Windows, type find and fix audio into Search, or right-click the speaker icon  in the taskbar and select Troubleshoot sound problems.
• Select Find and fix audio playback problems or Find and fix audio recording problems from the Search results.
• Click Next.
• Select the device you want to troubleshoot and click Next.
• Wait while the troubleshooter detects problems and makes changes (or prompts you to make changes).
• When the troubleshooter is done, the Troubleshooting has completed page is displayed, listing any problems found and what changes were made to the computer.
• Click Close.
• If a recommended action is displayed, select Apply this fix.

Hope this helps! Keep me posted for further assistance.
Please click “Accept as Solution” if you feel my post solved your issue, it will help others find the solution.

[alcuintech]

the serial number is 4CE71519WH

Headphones and bluetooth both work

This only just happened when i updated to the 1903 windows update.

I simply need the up to date drivers.

[alcuintech]

I also tried all of the trouble shooting steps above, i still have the red X on the speaker. I tried searching for driver updates thru windows and it could not find any more up to date.

[Echo_Lake]

@alcuintech

Thank you for posting back. 

I have a few troubleshooting steps we could try to fix the issue:  

Hard Reset: Follow steps from the link: https://hp.care/2GnkMa8.

BIOS default: 

1. Turn off the computer and wait five seconds.
2. Press the Power button to start the computer and repeatedly press the F10 key to enter the BIOS setup menu.
3. On the BIOS Setup screen, press F9 to select and load the BIOS Setup Default settings.
4. Press F10 to Save and Exit.
5. Use the arrow keys to select Yes, then press Enter when asked Exit Saving Changes?
6. Follow the prompts to restart your computer.

Next, uninstall Audio device from device manager.

1. Use shortcut keys Win + X on Windows 10.
2. Select Device Manager.
3. Expand the entry. Right-click the Audio inputs and outputs and select Uninstall device.
4. You may need to check the option Delete the driver software for this device, and then click the Uninstall button.
5. Reboot the computer.

Hope this helps! Keep me posted for further assistance.
Please click “Accept as Solution” if you feel my post solved your issue, it will help others find the solution.