For dead air or audio problems we recommend clearing cache and going Not Ready, refreshing the page, and then Ready again. If this doesn't help, please log out and log back in. Please make sure your computer is hardwired with an ethernet cable(not using WiFi) and your headset is corded(not cordless). For more information, see the BTS (Basic Troubleshooting) section of the One Note. https://bit.ly/Dynata-OneNote