As soon as I connect the Ethernet cable to my PC via a TP link, the powerline light on it turns red and my connection is much slower than wifi? : r/HomeNetworking
Powerline led red on adapter and green on extender - Home Network Community
Wifi Light Constant Blinking - Home Network Community
Ultimate Guide for TP Link Powerline Light Flashing (Blinking)
What do TP-Link Powerline adapter's LED lights stand for?
Adding a powerline adapter to an existing powerline network | Answer | NETGEAR Support