The problem is that, after they restart their computers, they find that the Audio Input and Output devices have been ... the device and then use the sound icon on the system tray, you can switch ...

They also have icons to differentiate between them ... Find your app, and then select headphones as your Output and input device. You can also set up the volume level Windows 10 allows you ...

Professor Hawking used an input device controlled by his cheek movements to choose the words he wanted to use. A special output device turned those words into electronic speech that people could hear.