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Warning Lights

Serato DJ displays warning lights in the top right hand corner of the main screen, which can indicate a possible issue.

Limiter Warning

Serato DJ utilizes an internal Limiter, which ensures you don’t go past a certain volume level. If you have increased the level of a track and exceed the limiter’s threshold you will find that the audio is compressed (lowered or ‘squashed’). To fix this, simply lower the track gain, EQs, or master volume on your hardware so the track isn’t ‘clipping’ (going into the red on the hardware’s channel level lights). If you need more volume you can then increase the volume of the amplifier or DJ mixer that it is running into.

Audio Dropout Warning

A small light will show when the chance of an audio dropout has increased. To reduce the chance of a audio dropout happening, please try the following:

  • Increase the USB audio buffer size (in the setup screen)
  • Try closing other applications running at the same time as Serato DJ.
  • Try turning off background tasks, for example, wireless networking and bluetooth
  • Try some of the computer optimization tips at
  • If your CPU load is very high (refer to CPU Meter), try decreasing the maximum screen updates
    (in the setup screen)

If the problem persists, please contact technical support by opening a help request from our support website. 

MIDI Warning

Serato DJ has not been able to process an incoming MIDI signal from your Serato DJ hardware.

  • Try disconnecting any other USB devices you may have connected.
  • Try using a different USB cable.
  • Try connecting your Serato DJ hardware to a different USB port on your computer.