No Sound/ Distorted Sound; The Device Cannot Be Switched On - Medion LIFE E66554 Mode D'emploi

8.6.1.
Is the audio device switched on and
have you started playback and set at
least a medium volume?
 Increase the volume if necessary.
Is the loudspeaker volume set too
high?
 Reduce the volume as necessary.
8.6.2.
Does the battery need charging?
 Charge the battery if necessary.
124
No sound/
distorted sound
The device cannot be
switched on