Possible Causes:

• The screen mirroring software has not been activated.

• A trial activation was used, and the device was restarted or network configurations were modified during the trial period.

Solution:

• Activate the software and re-pair:

• Click Activate on the home screen and enter the activation code to activate the screen mirroring software.

• Alternatively, go to Settings, click Registration Program — Registration Program Version — Activate.

• Re-pair the hardware: Insert the USB or Type-C end of the screen mirroring dongle into the USB port of the large interactive display. Wait until the system indicates Pairing Successful.