Sound is fine, then spontaneously quiets down...

[JHMyint]

Hi all, I got the HP Pavilion Laptop 15z - cw100 w/ a Ryzen 5 3500u chip and 16 gb of RAM as a graduation present delivered June 22nd. It ran perfectly out of the box, fast speeds, and a superbly loud set of speakers. I was very happy! However, on June 26, when I installed an update for Windows 10 my audio started acting up. When I would play audio, the audio would be fine, and then it would spontaneously quiet down. I thought at first that my drivers weren't working properly so I went on HP's website and installed the appropriate drivers for my laptop. It didn't work. I opened up the control panel and messed with the RealTek audio settings, unchecking and checking all of the boxes but it did not fix my problem. I also updated my BIOS, but it did not work. I even factory reset my laptop, thinking it would hopefully fix it, but it did not. My audio works completely fine when I plug in a pair of headphones, and I don't think there is anything wrong with the physical set of speakers because I have not moved this laptop anywhere from my desk. I am thinking of installing the Realtek audio drivers from Realtek's website but I'm hoping I can find some answers here. Thanks!

[banhien]

@JHMyint 

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/sp100001-100500/sp100144.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.

[FPaulK1]

HP PAVILION Laptop 15z-cw100. Tries the solution provide did not work at all. Good volume at the start then quiets down. 

After the first reboot the old drives are reinstalled.  Instaled the provided exe, then reboot again. No change.

[peaceandjustice]

We have two of these laptops and it happened to BOTH of them today.  I saw there are several other people that submitted the same question and/or indicated that they had the same issue and they all happened today - 6/27/20.  There appears to be a bug with an update or something (I did not manually download an update).  Please provide us with a fix ASAP as it has caused some big problems (including with some meetings, etc. I was on today and I could not hear properly because the volume comes in and out suddenly and I was supposed to record the program for others).  When you click on the drivers it says they are working properly, even though the output is having issues.  It shows its up to 100 but the actual sound coming out when its quiet is around 15% of the bar's length.  I've tried uninstalling and reinstalling the driver multiple times.  It doesn't fix the problem. 

[Jansen25]

Same problem here since yesterday with my HP Pavilion - 15-cw1947nd.  It is definitely a Realtek driverissue. Installing an old driver kind of did the trick for me.  Please fix this problem HP.

[AdLead]

Just encountered the exact same issue but mine was paired with a complete loss on the Wireless driver. I knew it wasn't the router as we had another laptop connected on a video call. Luckily I had an ethernet cable available and was able to download and install a new wireless driver.

Haven't attempted to reinstall a new sound driver yet as others above have said it's been unsuccessful,

[Lachs · Accepted solution]

No, that's an AMD driver issue. See: here or here (Here you should reinstall the graphics driver afterwards) .

[AdLead]

https://h30434.www3.hp.com/t5/Notebook-Audio/My-speakers-have-gone-very-quiet-even-at-full-volume-Th...

Try this link. Worked perfectly.  Many thanks for the link above Lachs.

[banhien]

@FPaulK1 

Sorry, looked like due to AMD drivers issue. Hope you've found the fix now.

Regards.

[JHMyint]

I have found the fix for this it turned out to be a Radeon update with the audio problem

Steps

* goto https://www.amd.com/en/support/kb/faq/gpu-601

* download AMD Cleanup Utility for Windows® 7, Windows 8.1, and Windows 10 64-bit

* Follow run instructions

* Hit finish and select restart now

Worked like a charm audio is playing just fine again now.

Reposted from @wittledemon