Started having this issue after the last mac os update.

If your Mac is equipped with a built-in mic, it will be listed as 'Internal microphone'. This display is designed to offer improved productivity and excitement to the Apple products. All available microphones and audio input devices will be listed in the menu near the top of the window.

This external display provides users an easy-to-use, handy, and powerful display to connect to their laptop. if audio isn't going to work it shows up as a single coloured bar, rather than the 2 when it does. It has been reported that the 27-inch Apple external display is set to be released this year alongside the new iMac Pro and Mac Pro in 2023. Have tried deleting settings and completely reinstalling, this made it work ok for around 30mins (opening and closing OBS repeatedly and it picking up the audio every time)but now it's not working again. Sometimes randomly picks up audio after opening and closing OBS a number of times. A common cause of microphone problems is a misconfigured sound input. To effectively troubleshoot microphone problems, it’s important to know. Also reverts after closing and reopening without restarting, either immediately or after a few times of opening and closing. Here’s How to Fix It Figure Out Which Microphone Your Mac Is Using. Navigate into System Settings > Sound and from there into the Input option. After using this work around it reverts to not picking up the audio after shutting down the computer and restarting it to use the next day. Any misconfigured audio input was a typical source causing microphone issues. I've been using this as a work-around for a while, reinstalling every day, using it once it works. Sometimes picks up audio after uninstalling and reinstalling. Just using the built in mic in my macbook. I regularly use the mic in imovie and never have an issue. Mic works fine on everything else, not a mic issue. I've tried getting help in the discord by no one seems to know what's wrong. Apple MGNR3LL/A Mac mini, 8-core Apple M1 'Late 2020' with 16GB RAM, 512GB SSD, 8-core GPU, 16-core Neural Engine, 802. Ok so I've been having this issue for a few months since the last OS update for mac.

Imac microphone input not working