Due to the over usage of energy saving lights,We left thousands of non functioning bulbs around us.There are several methods which are used to recover these non functioning bulbs.For every bulb there is a capacitor connected to its filament.Remove this capacitor CFL back to life.Another method is replace all rectifying diodes and voila which help to produce another CFL light. If you need to know more about repairing of lights,This site will help you. http://www.sportzlighting.com.au