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My Casio ctk 811ex wont power up anyone more.Is there an internal battery that needs replacing ? What could be causing the problem ? 2 weeks ago it was working fine

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ALWAYS start with the "easy" things 1st. Is the AC outlet on the wall working properly? Is the "wall-wart" power supply working correctly? If no defect is found, check the DC power jack located on the rear of the keyboard. Does it seem to be loose or does moving the power supply jack up/down cause any change? New wall-wart power supplies can be purchased from Radio Shack and usually at a lower price than the original factory replacements.

Posted on Apr 01, 2015

Testimonial: "The power supply is not the problem . Its something internal ."

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