Maybe it is caused by the power adaptor is not properly connected
- Check to make sure the AC power adaptor is properly connected
There may be something wrong with the AC outlet
- Check if there is power at the AC outlet by plugging in another appliance
The built-in battery is drained
- Push the power selection to OFF position , then connect the AC power adaptor to recharge the player
The car adaptor may be connected inappropriately
- Check the car adaptor connection. Make sure the output voltage of the car connection is 12V DC