Actually if you reset it to factory default and don't go through the quick setup, it would be on bridge mode, if you want to turn off the wifi, you may just go to the wireless settings page to...

Are you trying to connect some special wireless clients to the WiFi via WPS like wireless printer? you may try it under advanced-wireless 2.4G/5G->wps, or just simply choose wifi name and input wifi...

What is the hardware version(check in this way: http://www.tp-link.com/en/faq-46.html), and the operating system of your computer? Go to this link, choose the correct hardware version first, then...

What's the model? Can use Utility to do this: Go this link and download the tpPLC utility for MAC : http://www.tp-link.com/en/download/TL-WPA4220.html#Utility On the utility, move the mouse to the...

The connection speed depends on the electricity quality in your house, you can refer to this link to see how to improve the connection rate: http://www.tp-link.com/en/faq-409.html

First of all, make sure the two devices are in same circuit, and they are both plugged into the wall sockets directly. What's the IP address of your router? And if you connect one unit to your...