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I found a fix for this, you have to go to the microsoft store in windows 10 and download the Waves-MaxxAudio-Pro tool.

link below:
https://www.microsoft.com/en-us/p/waves-maxxaudio-pro-for-dell-2019/9pjppgg8tgvg?activetab=pivot:overviewtab

Hi. Were you able to fix it? If so, could you please explain how? Because I'm encountering the exact same problem except it's on the Latitude 7300. I've tried to enable or disabled many drivers but the problem is still there.

If anyone can help, this would be highly appreciated. I've been trying to fix this for weeks now. Thank you

Perhaps https://osddrivers.osdeploy.com/docs/basics/audio-drivers can help you identify which part you need to remove

There are a few threads here about it if you search - I posted some of them.

In addition to the Maxxaudio you also need the media pack installed and added under Windows features.

R

Hi, thanks for your message. The media pack? What is this? 

This problem is getting stupid, it is working fine with any other models installing the drivers via SCCM (Latitude 5470, 5490,5300 2-in-1, 5400....) but not with the Latitude 7300 (and the 7400 obviously), i have spent 30,40 hours or more trying to find a solution...i don't even know, i stopped counting...

I'm pretty sure it could be fixed (the only problem is the headphones are not detected) but it seems like nobody wants to take care of this. I can't believe it can't be fixed.

Hi - I am not sure if this is the fix to everyone's problems, but on my 7400, it was.

I have Windows 10, 1909 N

The problem is that IT departments often leave out adding the Media Pack to Windows, which is needed for the MaxxAudio software.  You can confirm this is the issue by going to MaxxAudio - and you will often get an error that your drivers are not up to date.  If you click on the sound test in the bottom right, it will tell you that you need the Media Pack.

However, you can't just download this from Microsoft.

You need to go to "Manage Optional Features" in Windows settings, and then add the Media Features Pack.  REBOOT (you do not get a warning that you need to do this).

Now when I plug in headphones through the jack, MaxxAudio asks me what I have plugged in and all works fine.

R

Hi, thanks for your reply. You need to add the Media Features Pack because you're using Windows N and doing this worked for you. In the company i work for, we're using Windows Enterprise so this can't apply. 

Emmanuel 

Hi Emmanuel,

I am actually running Windows 10 Enterprise N - OS build 18363.836.

Are you sure that under optional features you see Media Feature Pack?

Good luck,

R

Hi R,

I have checked again and we're not running Windows 10 Enterprise N. In the optional features, i see Windows Media Player. 

We are running Windows 10 Enterprise (OS build 17134.1304).

Thank you. There's a new version of the .CAB on DELL's website, i will try the new ones as soon as i get a chance.

Emmanuel