How to Repair a MIDI Keyboard

Written by john london
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How to Repair a MIDI Keyboard
Cleaning a MIDI keyboard is not a difficult undertaking. (midi controller image by Johann Dethloff from

A MIDI keyboard is essentially a piano-style digital keyboard used for generating and forwarding Musical Instrument Digital Interface (MIDI) commands or signals to other devices, such as a computer. The computers speakers can then play the signals sent by the MIDI keyboard. A MIDI keyboard sometimes starts to have glitches, in which case you have to clean its inside thoroughly. If the problems persist, you may need to bring your keyboard to a specialised technician.

Skill level:

Things you need

  • Sponge
  • Warm water
  • Screwdriver
  • Alcohol-based cleaning solution
  • Cotton swabs

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  1. 1

    Clean the outer body of the your MIDI keyboard with a sponge and warm water, removing any dust or grease.

  2. 2

    Pull the knobs that hold the top portion of the keyboard's plastic body up. Do it firmly but carefully so not to damage the keyboard.

  3. 3

    Remove the top portion from the bottom portion of the keyboard using a screwdriver. Now you should be able see the inside of the keyboard.

  4. 4

    Remove the circuit board of your keyboard and clean it thoroughly using cotton swabs and an-alcohol-based cleaning solution. The circuit board is a thin board that stretches along the keys of your keyboard. You can remove the circuit board by unscrewing the small screws that hold it to the keyboard's frame.

  5. 5

    Remove and clean the keys of the keyboard (you can remove a key by slightly pulling it upwards), paying particular attention to the places where the keys interact with the keyboard. Like with the circuit board, use cotton swabs and an-alcohol-based cleaning solution. Dirt on the keyboard keys is a common source of a MIDI keyboard malfunction.

  6. 6

    Reassemble your keyboard and test it. if any glitches persist, consult the keyboard's manual or bring the keyboard to a specialised repair shop.

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