Undesired noise reduction

Good morning, everyone!
I have a problem. When I record, my microphone hears what comes from my headphones (I’ve not the best, I admit, but I don’t want to spend more money on them) and, trying to reduce the noise, kills my registration, when made on a base or on another voice. How can I solve this?
I tried to find the properties manager of the microphone on my computer, but I’m used to the Realtek software and I can’t find it on this new computer, and in the normal settings of the microphone I can’t see the voice “levels” or similar. Is that solvable directly from Audacity, asking it not to reduce noise? In this image you can see what happens without headphones.
2tracks_noise_ reduction.png

What’s the job? What are you doing? Recording from the internet and overdubbing both need special sound pathways and if you get a new computer, it can be difficult to set them up again.

Also with a new computer, you have to turn off Automatic Windows Processing. Windows automatically assumes you want to do chat or conferencing and tries to clean up your voice.

https://manual.audacityteam.org/man/faq_recording_troubleshooting.html

Also, do you use Skype or Games? They can take over your sound settings and prevent you from making recordings.

Koz

Try turning off all Windows audio enhancements,
see … https://youtu.be/sxnUjiGgBaI