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After a Bluetooth headset was used yesterday, a PC's speakers now produce no sound, although the volume is up. What is the likely cause?

Après l'utilisation hier d'un casque Bluetooth, les haut-parleurs d'un PC ne produisent plus aucun son, bien que le volume soit monté. Quelle est la cause probable ?

Answers
AThe sound card has burnt out and must be replaced by a technicianLa carte son a grillé et doit être remplacée par un technicien
BWindows is still sending audio to the headset as the output deviceWindows envoie toujours le son vers le casque comme périphérique de sortie
CThe speakers need a firmware updateLes haut-parleurs ont besoin d'une mise à jour du firmware
DThe monitor is switched offL'écran est éteint
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