I have a iMac G5 and when I plug the Ascend it won't mount any more. It used to but the option to "mount" or "not mount" won't pop up any more. Or it will pop up on the phone screen but for a quick second and when I do get a chance to press it before it disappears, it does nothing. How do I access the folders to add music to the phone or "mount" my phone again?