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Disable the Windows preset designed to save power on USB ports. This preset is enabled by default: this may cause crackling in the sound, and could even result in the DJ controller losing its connection with your computer.
  • Right-click on Computer, then click Properties > Device Manager. Click the arrow to the left of Universal Serial Bus controllers to expand the list.
  • Right-click on the first instance of USB Root Hub in the list, and then click Properties.
  • Go to the Power Management tab, and uncheck (i.e. deselect) the Allow the computer to turn off this device to save power box.
  • Click OK to confirm and close the dialog box.
  • Repeat the same procedure for each entry under Universal Serial Bus controllers named USB Root Hub or USB Hub.