il n'y a plus de son sur mon ipad, comment régler la problematique

Translation:

There's no more sound on my iPad, how to solve the problem

More sound on my iPad like to fix the situation

Are you aware of the French-language Support Community?

Communauté d’assistance Apple officielle

This support page may be help with troubleshooting:

If you hear no sound or distorted sound from your iPhone, iPad, or iPod touch speaker - Apple Support