Windows 10: Windows keep defaulting to stereo but I want it to default to Dolby Atmos

Hi, I have a Lenovo Laptop that is connected to a Dolby Atmos Sony HTX8500 speaker. The problem that I have is that I have to reselect every time after restarting from the Windows speaker options the Dolby Atoms for Home Teather setting. The issue here is that Windows 10, the latest update defaults to Stereo.How can I enforce the option that I want and make it persistent across restarts?Thank you.

:)

 

Dolby Atmos

We would like to confirm if you have check if you Dolby Atmos can be dectect by your computer?

We suggest that you check if its being detected by following these steps:

• At the bottom right side of your screen, where the Time and date can also be located, look for the
  sound icon.
• Right click on the sound icon, a smaill window will pop up with the Sound
  menus.
• Click on the Playback Devices.
• The Sound window will appear with the Playback
  tab.
• Look for Dolby Atmos to make sure that it is properly installed.

If its not on the list in Playback Devices, kindly check if its listed in Device Manager by:

• From the Start menu, type in Device Manager, then
  Enter.
• Then click the Sound, video and game controllers driver.
• Look for Dolby Atmos, then right click on it, then click
  Unintall.
• Once done, remove your Dolby Atmos device and restart you computer.
  

After your computer has restarted and your are in the Desktop screen of your computer, connect your Dolby Atmos device. It should automatically be installed in your computer by giving you prompts. Once successfully installed, kindly check if it is detected
now by you computer in Playback Devices.

We'll be waiting for your update.

 

Dolby Atmos

I checked this line:

5. Look for Dolby Atmos to make sure that it is properly installed.

and i have list with my two audio cards :

1. onboard - Realtek High Definition audio

and

2. dedicated Asus xonar DG audio device.

When selecting option 1. i have spatial sound dolby atmos option, but when selecting option 2, i have listed only "none" under spatial sound.

I can confirm that i had spatial sound on previous win10 build

For this part:

• From the Start menu, type in Device Manager, then Enter.
• Then click the Sound, video and game controllers driver.
• Look for Dolby Atmos, then right click on it, then click Unintall.
• Once done, remove your Dolby Atmos device and restart you computer.

i dont have dolby atmos under sound, video and game controllers

 

Dolby Atmos no longer works - Only plays stereo

Ok we can mark this as solved. Turns out it was my AVR. On this particular model, you can override Dolby Atmos and force it to process the signal as stereo, so even though the unit was getting an atmos signal it was instantly converting it back to stereo.

I'd accidentally turned this on for the PC input (but not the Xbox One, which confused things further!), but now it's resolved.

I'd like to thank Dolby technical support as they were the ones that figured this out for me, and wrote back to me very promptly.