General checklist for check problems

Clear the browser cache (Ctrl + Shift + R for Windows, Command + Shift + R for MacOS) and restart the browser in the following way: enter the Google Chrome in a new tab chrome: // restart (or browser: // restart if you use Yandex Browser) and press Enter, then re-enter;


Make sure that You click the Share button in the "Provide access to the screen" pop-up window that appears at the beginning of the test


             I can't see this window

             I can't click the Share button in the "Provide access to the screen" window
 The window immediately appears and disappears (for Mac OS)

  • 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 the Google Chrome browser chrome: // settings / content / popups (or browser: // settings / content if you have a Yandex Browser)
  •  Make sure that access to the camera chrome: // settings / content / camera and the microphone chrome: // settings / content / microphone is allowed in the settings of the Google Chrome browser for Examus (similar settings for Yandex Browser are in the section browser: // 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);
  •  Disable all extraneous extensions in your browser. On the page chrome: // extensions / if you use Google Chrome (or browser: // tune / if you use Yandex Browser);
  • The check may fail if the room is poorly lit or the camera lens is covered with a cap;
  •  Check the availability and speed of your Internet connection (use the service The minimum stable data transferring rate from the user (upload) is not less than 1 Mb/s, the recommended one is 2 Mb/s.
  • Make sure that access to the camera and microphone is not blocked by the antivirus / firewall (try to pass the check with the antivirus / firewall disabled, if the check passes, remove the blocking in the antivirus / firewall settings);
  • Check that there is no other applications that capture video stream (Skype, Webcammax, etc.) launched. Use the Task Manager to shut down these applications correctly (press Ctrl + Shift + Esc, select the application and click End Task);
  • It is forbidden to use services for remote administration (TeamViewer, RAdmin, Windows Remote Desktop);
  •  If you pass using a corporate laptop and / or an Internet connection, check with the system administrator if traffic transmission from the camera and microphone is blocked;
  • Make sure that you use the most current version of your browser. To do this enter the address chrome: // help in the address bar of the Google Chrome browser (or browser: // help / if you use Yandex Browser) and update the current version, if necessary;
  •  Check your computer's operating system (OS) version. Browsers do not receive updates on older versions of operating systems. To make Google Chrome and Yandex Browser  work correctly, Windows 7 or higher is required. On Apple computers / laptops, Google Chrome requires macOS 10.10 (Yosemite) or higher, Yandex Browser requires macOS 10.12 (Sierra) and higher;
  • Please note that the possibility to pass test from tablets, smartphones and other mobile devices is not supported;
  • For Windows 10: Make sure that the camera and microphone on your computer are turned on and have the access to applications in the Windows settings (Start> Settings> Privacy> Camera, Start> Settings> Privacy> Microphone);
  •  On Lenovo devices, the camera may be blocked by Lenovo branded software. Contact the technical support to get recommendations on camera setup;

Check Problem Solver

Problem with item 1

Webcam connection


Possible reasons:

• the webcam is faulty; 

• connection module is faulty;

• drivers are not installed;

• microphone is muted. 


Problem with item 2

Webcam image


Possible reasons:

• drivers are outdated / not installed;

• third-party software interferes;

• microphone is muted. 



Problem with item 3

Network connection


Possible reasons:

• network connection is weak or lost.


Problem with item 4

Image and screen broadcast


Possible reasons:

• TCP / UDP ports are blocked;

• traffic is blocked on the provider's side;

• traffic in your company is blocked;

• VPN is connected;

• Antivirus firewall is enabled.


All the items got stuck


Possible reasons:

• errors when installing the browser;

• traffic is blocked;

• VPN is connected;

• Chrome traffic is blocked in your region.