If Aux cable is not working on your computer, check if your system is capable of powering the device you are connecting it to; if that's not the case, check these solutions.

If audio is not working in Warzone/Warzone 2, it could be that your system's sound settings are at fault. Restart your PC and then use these fixes.

Additionally, connect other speakers or headsets to your computer to rule out any hardware issues with your existing devices if you experience The Outlast Trials audio not working issue.

I tried to search through Google, but all the options pop-up as sound not working through HDMI. I have a case where I am connecting an AV adapter to a TV, but sound is not working for video ...