HP Spectre X 360 15t - df000 sounds like the speakers are blown, badly distorted sound

[Robwi]

I have tried driver updates, etc.   Is this a known problem?  I don't use this laptop for music listening, etc.  System sounds are badly distorted.  Since this laptop is still under warranty, I want to get this fixed.  Is it a blown speaker, or some other issue.  I have done all of the tests that I am aware of, and they indicate that drivers are ok

[banhien]

@Robwi 

Please do a clean install Audio software/driver, this should help.

(a) Download the following driver and save on your computer,
              https://ftp.hp.com/pub/softpaq/sp104001-104500/sp104268.exe
(b) Go to Device Manager, Sound to uninstall sound driver (Realtek) and reboot,
(c) Right click downloaded file and select Run as administrator,
(d) Reboot again.

Regards.