Clean a Nintendo Switch and Joy-Con without spraying liquids
Turn off the console, disconnect cables and use a clean, well-wrung cloth; disinfect only as Nintendo directs.
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Do not spray a game console or soak its controllers. Nintendo's official Switch care guide says to power off, disconnect cables and wipe dirt with a clean soft cloth that has been moistened with water and wrung out firmly. For disinfection, it specifies roughly 70% alcohol disinfectant lightly applied to the cloth, never directly to the device, and full drying before use. Other consoles may have different rules.