Hi@PaulStevenson, Welcome to the HP Support Community!
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:
- Did this happen after a recent window or software update?
- Have you made any hardware/software changes?
- Have you tried any troubleshooting steps?
- Check with the internal app windows voices recording?
- What is the product number of your device? Use this link to find it: http://support.hp.com/us-en/document/c03754824
To resolve these issues, download and install the following SoftPaq to update the audio driver: https://ftp.hp.com/pub/softpaq/sp107001-107500/sp107252.exe
Hope this helps! Keep me posted.
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Have a great day!