I use a set of Bose Quite Comfort 35 II headphones for work and have been using them for a couple of years. I recently got a new HP laptop and everything was working fine for about a week, but now when I am in a Teams meeting my headphones will no longer work for a speaker. I can set it such that my headphones are the mic and my laptop speakers are in use, but if I change the speaker to the headphones there is no sound. The headphones do work fine as long as I am not in a Teams Meeting. I was also able to get them to work on a test call, but then called one of my co-workers and couldn't get it to work again. I've attempted rebooting the computer, the headphones, and even re-paired the headphones to the computer with no change. I did have a strange message pop up asking if this was a personal conference call, but it went away before I could even tell which application was asking it (I think it was something from HP, but I am not 100% sure).
The laptop is an HP ZBook Fury, 64GB ram, Intel Xeon W-11955M processor, running Windows 10 version 19044.