Here are some reasons a laptop microphone isn't working: Generally, laptop microphones are built into the top of the display near the webcam. Some models put it above the keyboard instead.

However, on MacBook Pros made in 2017 or earlier, the single built-in mic is outside the speaker, and located on the left ...

three MTP W950 mics at each of his three keyboard stations. The aim of the microphone’s design is to let the audience hear every detail in a singer’s voice, just as you would in a recording ...