Coby MP757 Guide De Démarrage Rapide page 23

The player does not turn on.
Ensure that the player is fully charged. Try

charging the player overnight (8 hours).
Reset the player (use a paper clip to gently press

the Reset button on the rear of the player) and
try again.
The buttons do not work.
Reset the player (use a paper clip to gently press

the Reset button on the rear of the player) and
try again.
I cannot transfer files to the player.
Ensure that your computer is running a sup-

ported operating system.
If using a USB extension cable, ensure that it is

securely attached to the player and the PC, or
try using another USB cable.
Ensure that the player's memory capacity is not

full.
Page 23
There is no sound during playback.
Check the volume level.

Ensure that the headphones are attached

securely to the player.
The sound quality of the music is poor.
Try playing the file on your computer. If the

sound quality is still poor, try downloading the
file again or re-encoding the file yourself.
Ensure that the bit rate of the file is not too low.

The higher the bit rate of the file, the better it
will sound. The minimum recommended bitrate
is 128kbps for MP3s and 96kbps for WMAs.
Try lowering the volume of the player.

Ensure that the headphones are attached

securely to the player.
Troubleshooting & Support