microphone high definition audio device - unknown source and green bar always full

[Alexis Dumas]

This is something that has always bugged me but never caused real issues.In my Recording tab in the Sound panel, there's this High Definition Audio Device Microphone whose bar is always full. I tried unplugging every wire from my tower and it stayed, so it's not coming from a device. When I record audio from this source, all I hear is static and electric noise.I also have a microphone of the same name right above but it says it's Not Plugged In.I was wondering what it is and if I could simply uninstall it from the Device Manager.I haven't found anything that was mentioning a problem similar to

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