my router no longer appears to be recognizing them. WPA4220 was able to be recognized by your router? You have tried to reset but no help? If you want to send it back for warranty from tp-link, you...

Sounds interesting... The connection by powerline devices works OK without any problem, right? If so, we don't need to care about that... If you do care, try to restart, reset or replace it with the...

Go to DHCP Server---Clients List.

Firmware is not the latest version. Upgrade it first. http://www.tp-link.com/en/download/TD-W8980_V1.html#Firmware Reset and reconfigure it. Can you still test by another router which is working...

Are you using the windows 10 built-in driver or driver for Windows 8.1?

Try the method here. http://forum.tp-link.com/showthread....l=1#post164706