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My mom gave my daughter Casio ctk551 keyboard adapter has power and we've tried batteries keyboard will not come on noticed a little rust on back plate took off clean with dry cloth nothing any sugges

Cleaning with dry cloth tried adapter tried batteries still no power

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Rust is an indication that the unit has water or moisture damage. The keyboard should power up using batteries or the adapter. Is the adapter is one supplied by Casio? Perhaps the batteries were/are put in the unit in the wrong direction or polarity? Take the batteries out completely and then try the power adapter. If this fails, I suggest returning the Casio for a replacement.

Posted on Dec 27, 2014

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Posted on Jan 02, 2017

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