Firmware is up to date? http://www.tp-link.com/en/download/Archer-D9_V1.html#Firmware Did you configure time settings first? Provide screenshots of your configuration on parental control page.

The current firmware of your WR1043 is the latest version already. Why do you upgrade?

Your modem is a bridge modem or modem router? With direct connection to the modem, you cannot access internet? Check the system log. Is there any error message with PPPoE connection? Try dynamic IP...

PA211 is discontinued in your country, right? How about PA2010, PA411 or PA4010? There are many different models which can work with PA211.

You can log in web interface of the powerline extender and change wireless settings manually to be the same as your main router's. http://www.tp-link.com/en/faq-398.html...

The IP address obtained from the router its 192.168.254.254 a /16 mask, I have the dynamic IP activated, and the DNS 0.0.0.0 , the default gateway 192.168.1.33 Are you sure? Can you provide a...