My dad always talked about lifting the front edge of a component up 2 inches and then letting it drop - he called it the "2-inch test". He said that either it w

My dad always talked about lifting the front edge of a component up 2 inches and then letting it drop - he called it the "2-inch test". He said that either it would reseat whatever was flaky, or make it super obvious that it needed to be reseated.