Perhaps this has only been a mystery for me, but if not...
At times a student will be trying to listen to a DVD/CD on a computer using headphones and there will inexplicably be no sound, although all volume is turned on. Try closing the program and starting it up again. It seems the headphones need to be plugged in and the sound turned on BEFORE starting the DVD/CD in order for the sound to work. If you start the DVD, then turn on the sound, it will not work.
At times a student will be trying to listen to a DVD/CD on a computer using headphones and there will inexplicably be no sound, although all volume is turned on. Try closing the program and starting it up again. It seems the headphones need to be plugged in and the sound turned on BEFORE starting the DVD/CD in order for the sound to work. If you start the DVD, then turn on the sound, it will not work.
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