I hope someone can answer this for me. I recently bought 50 Ritek 4x DVD-R but when I use them in my burner LG 4040B they will only burn ay 2x..no option to change burn speed. Every other lot of Ritek 4x I've had have been fine. When I saw the disc information in DVD decrypter I noticed it said they were G05 and not G04 like I'm sure my previous ones have been. Does anyone know what the problem may be or could it just be a faulty batch.