Coby MP550-2G Instruction Manual page 23

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 updating the player's firmware. Please refer to

the Firmware Upgrades section of this manual for
instructions.
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Troubleshooting
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