This player does not support copyright protected (DRM) WMA tracks bought from the Internet
The song or photos might be in a format that is not supported by the player. Only MP3, WMA, Jpeg, .avi or . mov and WAV files are supported
You may not have the files stored in the predefined MUSIC or PHOTO folders. Use the Browser function to locate the files that may be in the root directory of your player.
Select the Browser option in the Main Menu and press the Navigator key or the PLAY key to enter.
Select the file you want to browse and press the Navigator key or the PLAY key to open a selected file. (Select and enter a folder where the file is located first if necessary.)
Then you can watch a video, view a photo, listen to music, or read a note depending on what sort of file it is. You can also operate functions, such as rewind the video, pause the music, puzzle the photo, and etc.
The audio file might be corrupted, try to playback the file on your PC first, If it does not play, RIP the song again
Some of those music tracks may be in a format or bit rate that is not supported by the Digital Audio player like AAC or files in variable bit rate may be skipped by the player. (For MP3 the player supports 32 –320kbps & for WMA: 5-192kbps with sampling rate 8.0kHz up to 44.1kHz)