Hello, do you use the home wifi password to configure it? Here are the instructions: https://www.tp-link.com/en/download/TL-WA850RE.html#video & https://www.tp-link.com/en/faq-1411.html Besides, you...

Hello, Joe, from the current situation, it seems that the physical installation has something wrong. please follow the setup video or installation guide to check the physical connection first:...

Hello Dreek, please ensure that the wifi lights are solid green, if not, you can try to reboot the smart plugs and the main router. Otherwise, please follow the instruction to give it a shot first:...

Regarding to the unstable connection issue, it is necessary to test the network connection of the modem when the router failed. Besides, it is suggested to follow the below instruction to do further...

Hello, what is the model number of the TP-Link extender? And what is the OS version of the Macbook? Is there any error message if it failed to join it?

Hello, Miggs, great to know that you sorted it out. if need more help in the future, do not hesitate to contact us.