Bebop; Thanks so much for the information you gave. I tried the (hard reset)and the(factory reset) but I still have the problem with the sounds holding out. I checked the version of my software and it is (4.0). If I get a 7.0 version will it change the sounds or styles I have set up? How expensive is 7.0? I am sorry I have to ask you so many questions but There is no one in my area knowledgeable about the kn6000, and the store I purchased the kn6000 has not been of any help.