@DenysB 

Thank you very much for the feedback.

May I know how long have you have the modem?

Please power off the modem for 5mins, then plug it back and reset it again to see whether the modem could start up.

If still not, please send an email to support.forum@tp-link.com with the following information:

1. A  video clip of the current rebooting process on the modem.

2. A picture of the product label on the VR2800.

Best regards.