@Link1990 What is the model number of your TP-Link device? What is the oeprating system of your computer? Please show us a screenshot of the error message so that we can do further analysis. Thanks...

@mountain_goat What are the model number of the other powerline adapters? It starts with TL-WPA/TL-PAXX? What is the current network topology/diagram? How do you connect them to each other? With...

@MixBix You can use the TP-Link extender to boost the wifi signal; cause the TL-WPA8630 is dual band, you can order a dual band extender also, like RE200, RE350, RE650. While the extender cannot be...

@MarcoTrevisan Hello, the wifi password of the extender must be the same as the host wifi password. You can regard the extender as a computer, in order to connect it to the host wifi, you need use...

@Sallybui123 Hello, from your descirption, the pc can get internet from the extender, that means the TL-WA855RE should be working well; we can do some troubleshooting first. 1. With TV connected to...

@lachinelli @Beeknight @Lefteris_7 Hi all, I have reminded our engineer your reports, and they are working on it and try to locate the issue. As a workaround, you can downgrade the firmware to 1.5.0...