Note won't play? No sound when you press a key on your electronic keyboard? It's probably not making contact with the circuitry, and that's likely a result of dust buildup. A simple cleaning can fix the problem. (This is a Casio CTK411 keyboard.) For more electronics repair tips, home improvement howtos, repair help, garden hints, recipes, holiday ideas, fun projects and more, visit the doityourselfstan YouTube channel @doityourselfstan or www.homefrontstan.com.