CSPRIG

simple to fix. Unplug and pull the battery, pop off the round rubber screw covers around the display and pull screws, gently pull out on the bottom middle of the plastic surrounding your lcd screen and pop it free. go up both sides and the bottom, or all the way around. in the bottom you'll see a green rectangular inverter board. check the wiring on both sides for looseness or damage. if none visible, unplug and dismount the inverter,check the number on it and replace it (ebay or internet supplier will havethem re-assemble and your back in the running.