System and Device check for Virtual Classroom

These tests ensure that your system meets the basic technical requirements, to successfully run or attend a live class.
Follow the on-screen instructions in case of any failure.

To Test the System Configuration

Test your system's compatibility for flash player, browser, operating system, and port settings.

System configuration requirements

Software Type/Version

Flash player 10.3 or later

Browser Internet Explorer, Chrome*, Safari, Firefox, Opera

Operating system Mac OS X, iOS, Microsoft Windows, Android, Linux

Port 1935 RTMP or Port 80 Should be open

*Users on Chrome browser must upgrade the browser to version 28.0.1500.72 or above for better Audio/Video experience in the Virtual Classroom.

Test results

loading tests... Detecting Operating System
Operating System: Passed Failed

loading tests... Detecting Flash
Flash player: Passed Failed

You need Flash Player version 10.3 or later.

Install Flash Player
loading tests... Detecting Browser
Browser: Passed Failed

Chrome version may result in audio/video issues.

See how to resolve this issue
loading tests... Testing Ports
Port: Open 1935 is blocked.
See how to resolve this issue

Test again

Issue with your Chrome browser version

The version of your Chrome browser may seriously impair audio/video quality in the Virtual Classroom. This may result in lag or disturbance in audio/video streaming of live classes. This issue occurs in Chrome version 21 or above on window operating system and Chrome version 23 or above on Mac.

Fix Chrome settings with one of these options:

Follow simple steps to fix manually

Manual Fix

Test Internet connection speed

These requirements are based on one-on-one scenarios in virtual classroom.

Internet connection speed requirements

Use in Virtual Classroom Minimum speed Suggested speed

Only audio session 44 kbps 256 kbps

Audio session + other features* 300 kbps 512 kbps

Only video session 106 kbps 512 kbps

Video session + other features* 356 kbps 1 Mbps

*other features include screen sharing, watching YouTube or other videos, sharing content etc.

Test results

loading tests... Testing internet speed

Internet Speed:

Test again

To Test Screen Sharing

Test the availability & compatibility of Java plugin version required to share your screen in the Virtual Classroom.

Important: Java plugin is required only if you are a presenter. Attendees and viewers do not need to install Java plugin.

Java requirements:

For sharing screen, you require Java version 1.5 or later.

Test results

loading tests... Testing Java installation

Java plugin test: Passed Failed

You require Java plugin version 1.5 or later.

Java is installed and enabled in your browser.

The Java plugin is disabled in your browser. Enable the Java plugin using browser settings.

Install Latest Java Plugin

Test again

Test devices