Make sure that you provide Examus access to the camera and microphone in pop-up windows when you start checking. Pop-up windows must be enabled in the settings of Google Chrome browser chrome://settings/content/popups (browser://settings/content if you have Yandex Browser or edge://settings/content for Microsoft Edge)

 

Make sure that access to the camera (chrome://settings/content/camera) and the microphone - (chrome://settings/content/ microphone) is allowed in the settings of Google Chrome browser for Examus (similar settings for Yandex Browser are in the section browser://settings/content or for Microsoft Edge - edge://settings/content). Examus must be listed under the "Allow" heading and must not be listed under the "Block" heading (if it is on this list, remove it).