Hi there...I recently purchase a sony dual layer dru-680 burner and installed it replacing a dvd+-r burner.I go to use the clone dvd and it reads everything properly but when it is finished reading and goes to write on the dvd dual layer +r disk it will just sit there and do nothing....it says setting up/erasing but it wont do anything.I had the setting at dvd+- DL and I also tried setting the custom at around 8300mb and still nothing.Iknow the burner works fine becuase I put in just regular dvd -r disks and reset the custom to 4400mb and it burns fine...only when I stick the dual layer disks in...ANY SUGGESTIONS???? Any help will be GREATLY APPRECIATED 87Cobra