i have playlists and music on my internal memory on my Sansa, but it does not show up on my Mac. Why is that? The external card can be read, but all the songs have album track numbers in front of them.
There are two modes (Settings/System Settings/USB Mode): MTP and MSC.
The computer can only see music transferred in one mode at a time, even though the Sansa sees them both.
Auto Detect goes to MTP if connected to a computer with WIndows Media Player 10 or above. If music was transferred via MTP, Mac won’t see it–because Mac only connects via MSC.
