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Rebecca JohnsonAug 11, 2025
How to fix no power supply on swissonic ControlKey 49 Electronic Keyboard?
- HHeather MolinaAug 11, 2025
If your swissonic Electronic Keyboard has no power, first, ensure the USB cable is properly connected to both the keyboard and your computer. This connection provides power. Alternatively, you can use an optional 9V power supply connected to an AC outlet.