@Joseph-TP The model is AV1300 TL-WPA8631P KIT Hardware version V3 I have already tried those steps yesterday and still having issues Now the main router unit is showing no LEDs, but the power socket...

I've been using my AV1300 to extend my network to a cabin in the garden via the power line for a few years now. Every few months it will disconnect and the power line light will turn off. Usually,...