# Audacity is only recording silence

## Causes

* Your microphone gain may be reduced. To fix this, see: [Setting recording and playback levels](/basics/recording-your-voice-and-microphone/setting-recording-levels-and-playback-levels.md)
* You may be attempting to record a Bluetooth device at an unsupported sample rate. To fix this, see [Audacity records silence when using a Bluetooth headset as a recording device](/troubleshooting/solving-recording-problems/audacity-records-silence-when-using-a-bluetooth-headset-as-a-recording-device.md)
* You may be attempting to record a device which doesn't produce any sound. To fix this,
  * ensure that all parts of the device are connected properly (cables, microphone, interface, etc),
  * that microphones in need of phantom power are provided with that,
  * that no mute switches on any devices are turned on,
  * that no faders are turned down, and
  * that an input signal is being produced by the source.


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