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The No Data message appears when a student’s device experiences network interference or trouble connecting to a classroom session.

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Resolve No Data Error

  1. On the student’s device, go to checkup.goguardian.com to log the error.
  2. In the address bar of the student’s device, enter chrome://restart and press Enter. This resets the device’s internet connection and background processes.
  3. After Chrome reopens, confirm the student appears online with screen data in your Teacher session.
Resolve No Data Error

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Resources

Student Offline

Troubleshoot students who appear offline in a classroom session.

Waiting for Activity

Resolve the “Waiting for Activity” status on a student’s screen.

Start a Classroom Session

Steps to launch a new Teacher classroom session.

Student Not Found

Fix issues with students not appearing in your class roster.
Last modified on July 15, 2026