Microphone detected, yet no sound input (XP)

dazogga

Prominent
Dec 8, 2017
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510
My Windows XP machine has a weird issue:
When I plug in the Mic jack into my Mainboard (Fujitsu PTM900) Realtek Audio Manager will detect it, but when I try to record anything (audacity) it will simply give me no output at all.
No matter which source I choose, the only Input I can detect is when i switch the Mic-Mute on the headset. On my Win10 rig it works no problem.

I really don't know what the problem could be, any ideas?

P.s.: No, I dont wanna install Windows7 :D