Disconnect the Ethernet cable, turn off the MusicPad and then turn it back on. Reboot your computer and then reconnect the Ethernet cable. Go back into Music Pad Manager and open the File Manager dialog box. If no files show in the top of the file manager, put your mouse pointer, in the upper left corner of the top line of the box just to the right of the computer picture and press the left mouse button hold it down and drag to the right. Keep dragging until all the files appear.