Hi, Hope this works. https://www.tp-link.com/en/faq-2234.html

Hi, What's the fimrware version of your NC200? Is it latest?

Hi, What's the LED status on both powerline units? If the powerline LED (house) is not lit, pair them. Here's the video https://www.tp-link.com/en/download/TL-WPA4220KIT.html Connect a PC wired to...

Hi, What's the Internet connection type and IP address? If IP address is 0.0.0.0, it might be that you've entered wrong info. The defails like username and password are from your internet provider....

Hi, Not recommended. Cannot guarantee it will work.

Hi, Do you mind share the screenshots of your parental control settings?