I have a Sansa Clip and I downloaded music on it once and wanted to change it. So I plugged it in and it goes from…“writing” to “connected” to “disconnected” and does not allow me to do anything. For a brief second it will show up as connected on my computer and then disconnected. Im very frustrated with this as somehow while trying to get it to work, everything on the clip was deleted. So now I have nothing on it! I tried a different USB cable and the same thing. It does recharge though…just does not allow me to sync. If anyone has had this issue or knows how to fix it…let me know!!!