The wpa4220 will assign itself the static ip 192.168.1.1 by default. Plug in one wpa4220, plug a computer into the Ethernet port, and go to that address to access the wpa4220. I think the default...

You should email customer support. It belongs on the support page for the product but it does not seem to be there.

tp-link publishes this and it is different for different adapters. http://www.tp-link.com/en/faq-434.html Keep in mind, the powerline bandwidth is shared between all the adapters. For example, with...

It sounds like your adapters are not paired somehow. It helps to run tpPLC because the adapters will show up and you can see that they are working. Plug your computer into one of the adapters and...

Try completely uninstalling winpcap and any powerline utilities, then reinstalling.

You might have a dead zone with no Wi-Fi between your router and extender, or you might have clients that don't like to roam, or you might have interference. You can sometimes fix a dead zone by...