@soloking Replied to you on another post.

@IGraham There are some network expansion devices, including range extender and powerline adapter, access point. If the house is running under the same power circuit, the powerline adapters with wifi...

@Phil7 Please ensure that the powerline led comes on, which looks like the house. And the main adapter need connect to the main router by wired cable. You can hard reset the TL-WPA4220 by holding the...

@fozle Try to change another web browser or device to access the web UI of the Archer C6. And you can hard reset it and reconfigure it to give it a go. May it help.

@Lymfo Can other wireless devices get internet from the Archer C7? What is the IP address and gateway obtained by the Hue bridge? Try to ping it from a local computer and show us the ping result. And...

@help4u Try to change another web browser or device to access the web UI. And please ensure that the firmware is up to date. Besides, with it changed to router mode, does online devices show up...