Hi, my pioneer DVD-RW dvr-107d is all of a sudden refusing to play any dvd media. I have never had a problem with this. It will play cd-r media with no probs. It was working earlier. It happened shortly after I used Nero to burn a custom dvd (which it did succesfully). Now it refuses to read any dvds I put in the drive. I have up to date firmware. Thinking it was a nero problem I unistalled Nero but still no luck.