I have a DVD burner that has been working fine playing dvd's and burning. Recently I have not been able to burn DVD's. When I insert a blank DVD not matter what kind it tells me to insert and empty DVD. I have no clue why this is happening. The same thing happens in Nero as well as Alcohol 120%. I tried a system restore to last week but that didn't work. It plays DVD's fine it just won't see blank ones. I have also tried removing driver and reinstalling as well as using caned air to try and clean drive. Any help on this would be most appreciated.