Introduction
Process of repairing keys on an electric piano that do not respond when one presses them. The piano keys will be restored to their original condition.
Tools
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            Turn the piano over so that the backside is facing you. 
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            Use a Phillips #0 screwdriver to remove the screws securing the back cover to the device. 
 
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            Unscrew the group of keys where the dead key is located. 
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            Hold the clips and take out the keys. 
 
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                            Conclusion
                          
                          To reassemble your device, follow these instructions in reverse order.