Answer:
replacing the steel ball of the mouse with a rubber ball to reduce the noise and make it easier to clean
Step-by-step explanation:
Troubleshooting is the method of identifying problems and creating possible solutions to fix the problems. Earlier scientists troubleshooted the mouse by replacing the steel ball of the mouse with a rubber ball to reduce the noise and make it easier to clean. The problem was the noise which the steel ball was producing. The aim if trouble shooting has to do with preferring solution to a diagnosed problem.
One must establish identify a problem, ha e a plan off action. Document steps taken to rectify the problem