Windows 10: I can't use the microphone and audio output at the same time

I have a Behringer UMC202HD audio interface connected via USB to my Windows 11 PC. The interface is connected to an amplifier with speakers, and it works correctly for audio output.The problem occurs when I try to use the microphone connected to the UMC202HD: as soon as I activate the microphone input, the audio output completely stops, and vice versa. I can only use one function at a time either input or output, but not both. For example, in Discord, when I join a voice channel, I can hear others, but my microphone is not detected. This issue seems to happen with any application that uses t

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no audio output device installed

I've tried every step that was suggested, still getting no audio output device installed.

 

audio volume output and microphone

Yesterday my microphone and audio volume output just quit do you know what could of happen?

 

Audio output leaking into microphone

I have a similar issue with my Turtle Beach Earforce X12 headset and after doing some research, I can say one thing.

It's probably your headset(s).

With that said, I encourage you to watch this brief gif:



In it, I play some audio in the background through my aforementioned Turtle Beach headset. Note how the input sensitivity is up near the middle of the bar. Around halfway through, I unplug my headset's output (leaving the mic plugged in) and switch it for a different pair of headphones. Notice how Discord is no longer picking up erroneous input. I should note that the mic is muted on the headset through this entire video, so this output bleed has to be coming from inside the headset (or Discord, but I am not in a position to judge).

My suggestion, is to see if you can use a different pair of headphones for your audio output and either get a budget external microphone or use your existing headset as a microphone only. Doing the latter is easy if your headset has two 3.5mm jacks so you can plug in the microphone jack but not the listen/audio output jack.

If neither of those options are convenient you can try setting Discord's input sensitivity above the typical peak amount when you're listening to loud music in the background, so at least it won't trigger automatically on your music alone. You may also consider push-to-talk. Lastly, you could also turn down the background audio when chatting on Discord anyway, but I realize that isn't a solution.

Also, as some of the comments have pointed out, it's worth checking if you have everything in the correct jack and that everything is setup properly software-wise, including in Windows and for your audio driver.

If you need any clarification, let me know, but I hope this helps.