- 1). Remove the backing of the keyboard. Locate the eight screws keeping the plastic enclosure in place, and use your screwdriver to remove them. Pull the enclosure completely off of the body of the keyboard.
- 2). Locate and remove the circuit board, which is mounted in place by small screws. Remove these screws using your screwdriver, then pull the circuit out of the plastic mounting. Carefully place the circuit board in a safe, non-static location while you work on the keyboard.
- 3). Detach the key assembly from the body of the keyboard. The key assembly makes up the white and black keys on the keyboard. Once the key assembly is removed you can see the electronic contacts that register key presses.
- 4). Pull the sheet of rubber button contacts off of the keyboard body.
- 5). Dip your cotton swabs in rubbing alcohol, then swab down any affected key contacts. Allow a few seconds for the rubbing alcohol to dry before replacing the rubber contact sheet.
- 6). Place the key assembly back onto the keyboard body. Once the assembly has been snapped into place, place the circuit board back into its plastic mounting. Screw all the mounting screws back into place. Then put the enclosure back onto the body of the keyboard. Screw all the enclosure screws back into place.
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