i am having problems.. with the sound issue, i was making dvds before and they were working just fine in the dvd player and now i wanted to make a another video and for the last 1 week all the dvds i have made have no sound in them when played on comp or on dvd, all the latest DVD are having no sound.. is there anything i can do about it? thanks i have a Satellite L305-S5939 64 bit operating system laptop with Windows 7 Ultimate