My camera did not work during the test. What happened?

For security and test review reasons, your camera must be on and recording throughout the entire test. If at any point your camera turns off, your test will be invalidated.

If you received a message that your camera did not work during the test, please follow these steps before testing again:

  • Ensure your camera is enabled for the Duolingo English Test desktop app.
  • Close all other programs running on your computer.
  • Make sure you are on an internet connection with at least 2 Mbps download speed and 1 Mbps upload speed. We recommend using a stable, wired ethernet internet connection instead of using Wi-Fi or mobile hotspot services. You can type “internet speed test” into most search engines and find a quick and free way to test your speed. 
  • Ask anyone else using your same internet network to disconnect while you are taking the test, and disconnect all other devices connected to your internet network.
  • Try to take the test late at night or early in the morning, during off-peak network times.
  • If you are in China and using a VPN, try re-downloading the desktop app from instead of

There is an image of your face in the upper right corner of the screen during the test. You can check this to make sure your camera is on.

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