1. Select Pause when the student is logged in
2. Select Technical Details in the lower right-hand corner
3. Scroll down to the part of the menu titled "Device" and click Start Test
4. If the bar doesn't fluctuate up and down as you speak into the microphone, double check that the microphone is connected properly and that recording permissions are enabled for the webpage.
5. Don't hesitate to contact Customer Care if you are unable to resolve any issues with the microphone/recording.