If the music contents were transferred from a computer to the Walkman® media player by dragging and dropping, the cover art of the contents may not be shown. Try using the Media Go™ software to transfer contents, the music player may then be able to show the cover art.
NOTE: A list of devices supported for use with the Media Go software is available at the Media Go website. The Media Go software may also work with other devices not on this list. However, we cannot guarantee the operation if they are not on the list.