Steam voice chat incomaptible with XLR inputs?

[Hambloko]

Steam recognizes my audio interface (line 6 UX2), but it doesn't pick up my Shure SM57 during a test. Doesn't work in game either (CSGO). I know it's not my interface or my mic, because it works pretty much anywhere else.

Also, before somebody tells me to just use a regular headset, or a mic with a 1/8", my PC's soundcard pretty much died a long time ago and I haven't bothered with replacing it since, since using my audio interface works pretty well for everything I need. Also I don't have a gaming headset, just headsets designed for audio production.

FYI I'm using Windows 10

[Rowan]

Do any of these help?
https://support.steampowered.com/kb_article.php?ref=1206-WUOH-3314&l=English

Also it's generaly not a good idea to use a non-gaming headset. It's known to have problems as they were never meant to do such a thing. So I think you should try getting a gaming headset instead.

[Hambloko]

None of those things seem to work. Also, getting a gaming headset wouldn't do me any good, I don't have anywhere to connect the headset to. Like I said in the original post, my PC's internal soundcard died years ago and I've been using my audio interface since. Also I hardly see how my headset makes a difference considering that all it's doing is receiving audio through my interface, nothing more. Steam is the only thing I have issues with, other games work just fine with my interface, and it picks up my XLR input mic just fine.

[Hambloko]

Seemed to get it to work, all I had to do was switch my mic to something else by default then go back to it again. Weird.

[apricity]

Hambloko! Did that really work for you? That method doesn't work for me. I have a RODE NT-1A with and mbox pro audio interface. I've accepted the fact that I can't communicate over voice chat on CS:GO. When I try to test the mic through steam it doesn't pick up the sound. When I switch to my webcam (as Default Device) it works.

My microphone works on everything else except steam. Frustrating having to switch between them all the time.