@DreeDex Thanks for your information. We can do some troubleshooting first and verify whether we can figure it out. 1. What is the current led status of this Deco? 2. Try to hold the reset hole for...

@kosmass2001 Hello, the wifi password is the password of your main router. Or you can go to control panel-network and internet-network and sharing center-change adapter settings, and you can see...

@DanielM. Can it detect any wireless networks now? If there is no wifi detected, try to change the wireless setting of the main router, like wireless channel or channel width; If it is connected to...

@DrAwkward Hello, the powerline adapter which you connect your computer to will be recognized as the main unit. And it is just the layout, it won't affect the actual performance of the powerline...

@kivose What is the current network diagram? How do you connect them together? What is the led status of the TL-WPA4220 when the LAN connection drops? Thanks a lot.

@Mrb25 What is the hardware version of the TL-WN823N? Here is the instruction to get it: https://www.tp-link.com/support/faq/46/ What about the operating system of your computer? With your PC...