Coby Smart MP201 Série Manuel D'instruction page 17

The player will not play my music file.
Ensure that the file is in a compatible format.

The file may be copy-protected and you no longer have authorization to play this file. If you feel this is

in error, please contact the service from which you downloaded the file.
The player has malfunctioned.
Try resetting your player (remove and replace the battery).

Page 17 Troubleshooting & Support