Choose which OS is used on your device:
Select (1)Quick Settings on the bottom-right of your screen, then (2)Settings.
Select Privacy & security.
Scroll down to find App permissions and select Microphone.
Ensure that Microphone access is set to the on position. Ensure that Let apps access your microphone is set to the on position
Ensure that Let desktop apps access your microphone is set to the on position
Select (1)Start then click (2)Settings.
Select Microphone under the left sidebar.
Ensure that Allow apps to access your microphone is set to the on position. Ensure that Microphone access is turned on.
Allow desktop apps to access your microphone is set to the on position
１. If you are using a macOS device, click the search icon at the top right of your screen to open Spotlight. Type in Security and Privacy and select the System Preferences panel.
２. Click on Privacy and click Microphone. Then, ensure that Google Chrome is checked. If the checkbox is unchecked, click on it to allow Chrome to access your microphone.
３. For the access to take effect, click Quit & Reopen. This will automatically close all your existing Chrome tabs, including ClassDo, and reopen Chrome.
If you are using Android 12, you may need to turn on system-wide microphone access. On previous versions of Android, you do not need to turn this on.
１. Long press on the Chrome app icon and select App info.
If you are on an older Android device and cannot find the App Info button
Open up your phone Settings app. Tap on the search icon at the top left corner. Type in "Chrome" and select Chrome under App Info.
２. Select Permissions.
３. Select Microphone. Then select Allow only while using the app, or Allow if you are using a device running Android 9 and below.