This document is to help the candidates to resolve common issues faced during a Webcam enabled Mettl online test.

Mettl Proctored Assessments are not supported on Mobile devices (eg. Cellphone / Smartphones / Pads / Tablets), it is supported only on computer system equipped with Windows OS (Version 7 & above) or IOS on MAC systems.

Mettl Proctored Assessments are not supported on Edge browsers.


Before starting the test, make sure that you have:

  • An internet connectivity of at-least 512 kbps.

  • An updated version of Supported Browser should be installed on the system. 

  • Please make sure that the pop-up blocker should be disabled. (Disable Pop Up Blocker)

  • Uninstall any third party software installed on the system for webcam before starting the test.

  • Check the webcam before the test, should be in a working condition.

  • Turn off chat applications (Google talk, yahoo messenger etc), antivirus, auto updates, and other notifications.


Browser for taking the test: 

You can take test in any of the following browsers:

BrowserFor (Proctored test)
Chrome versionLatest Version
IE versionLatest Version
Firefox versionLatest Version
Safari versionLatest Version


Check System Compatibility:   To check your system settings: Click Here

While checking the system compatibility if a candidate faces any issue; kindly refer to the following troubleshooting steps;

Common issues faced:

1. Mettl servers or chat server are not accessible

  • Make sure your internet is working and you do not have a intermittent network. 
  • Please refer to the network and firewall settings.

2. Test loading takes time:

  • If the test loading takes time, please try clearing the caches and cookies . 

  • Also you can try running the test on private or incognito mode.

  • You can also check if you have installed any plugins or extensions in your browser.You have to go to add-ons and check for the same.

  • Please make sure you are using the latest version of the browser.  

3.Webcam not found:

  • Please make sure that no applications is running in background while giving a proctored assessment. 
  • Also, do not initiate the the webcam manually  
  • If this error appears, close the camera and the test window (Never click on finish test), close the webcam if it’s running, and start the test again. 

  • This error may also occur if you have any third party softwares like cyberlink youcam, Camfrog Video Chat ManyCam etc

    If you have any such software, uninstall it and restart your computer before trying the test again.

4. Java Not found:

If you are getting this error message, please visit the JAVA website.

On the web page you need to click on  

Once you have installed JAVA on the system, restart your browser and follow the instructions on screen. If you are getting “Java Not Found” even after installing latest version of Java.

Check if  the permission as 'Always Activate' is assigned to Java add-on as shown in this screen: 

Please follow the below steps to manually activate the plugins in browser :

  • Click the menu button and choose Add-ons. The Add-ons Manager tab will open.

  •  In the Add-ons Manager tab, select the Plugins panel.

  •  Click on the Java(TM) Platform plugin to select it.

  •  Select Always Activate in its drop-down menu.

Here is a GIF illustrating the process

If you are getting “Java permission required screen”, wait for a java applet to load and follow the instructions on screen. Allow the Mettl applet to run.

**In case you still need support with your online test, drop an email to or contact us on our helpline number +91 8287803040