COBY electronic MPC7055 - Manual (Page 12)

Common Troubleshooting
Problems Possible Solutions
No Power
*Ensure that the "HOLD" button is turned off.
*The Battery level may be too low. Charge the unit.
*Reset the unit by inserting a pin on the back of the unit "Reset"
hole.
Music does NOT Play or Freezes
*Unknown Format (WMA with DRM).
*The file(s) are corrupted or damaged.
*Unsupported file format (ACC, WAV, M4A…Etc.)
No Sound after file transfer
*Ensure that the original file plays on your computer. If not, then
you will need to obtain the codec for that file.
*Unsupported format.
Video Conversion Error
*Ensure that the original file plays on your computer. If not, then
you will need to obtain the codec for that file.
*Unsupported format.
Video Issues
*Make sure that you are using the correct output frame size and
the correct output frame rate.
*For the best output frame size, set the MTV Video Converter
to 160X128 or 160X112 @ 15fps (sports Video).
Computer does NOT recognized
the MP3 player
*Check the connections.
*Switch USB ports or DO NOT use a USB extension cable.
*Go into the player "Setup" and change the USB mode to either
MTP to MSC or MSC to MTP.
If you are still having difficulty with your MP3 player, please
contact Customer Care, Hours of operation, Monday-Friday 8:00
AM – 8:30:00 PM EST, Saturday and Sunday 9:00 AM – 5:30 PM
EST. You can also reach us online at