@slabber As far as I understand, the RE is a standalone device which transmit the WIFI signal of router, thus the details of communication in RE is unavailable for the router. The parental control...

@AndresHdz Hi, may I have a look at the picture of the LED light on device? Maybe you can try another power socket for the extender and check if the extender or the socket is burned out after power...

@Robert9128 Hi, what's the problem specifically? If you have question with the setup steps of range extender, refer to this Web link https://www.tp-link.com/support/faq/3074/

@Anwar9911 you mean the password of your RE's WIFI password or the management password of device？I recommend you to search the guide in the FAQs page of https://www.tp-link.com/support/faq/

@AN71 I recommend you to reset the RE and configure it referring to this Web link https://www.tp-link.com/support/faq/1373/ . Notice that you should finish the configuration of the new router first...

@StevenOng5123 you mean you can't access the management interface of extender by PC Web or phone APP? Or you can't connect your client device with the WIFI of extender? You may reset and reconfigure...