Bought a GPS with an ext warranty at Walmart and with less than 2 months left on the extended warranty it stopped working. First only half the screen was visible then the next day the entire screen was black with a redline at the bottom. Mailed to company and it was returned "LED screen broken" unrepairable" "return to customer unrepaired". I called and they said it had been dropped. It HAD NOT and told them that it hadn't been dropped and there was no crack on the screen. They said the crack was internal... read full review »