As it says in the Title, i have a Headphones (Beats Studio) with Mic in the cable. Main computer: I use a wireless mic for dictation.It detects it as 'Microphone (4- Realtek USB Audio)' and 'Speakers (4- Realtek USB Audio)' in the device manager. To do this work, you can go to Device Manager and let Windows automatically search for updated software & install it. I know that the microphone works as it worked on my old laptop.I've tried the headset on my surface pro 6 and it works exactly as required, but not on my desktop computer for some reason. These are the most basic solutions to this issue. Check if your mic is under the Sound Menu Recording tab. Normally I can just plug my headset in and the microphone will work. Why is my PC not detecting my mic? 1) In your Windows Search Window, type “sound” and then open the Sound Settings.