Device powerline led light is off
I am having a issue with my powerline led light as it is always off on my device that is closes to my desktop and the one that is working well with 3 of the lights on is connected to the router, I am here to ask why is the powerline led light is off and also i am having the internet problem like the ms can hit up to 1k plus and also when I try to use the tp link app to connect both of the device in by typing the powerline key for both of the device but only 1 is able to connect but the other one which has the powerline led light problem can't be connected pls help me as this is getting annoying