@Joseph-TP Thanks, will try

@Joseph-TP My extender is located in the same room, about 3 meters from router. 1. Yes, it has strong signal from the router. 2. Router Genexis Pure-ED500

I tried everything that described in this topic. But my range extender keeps losing connection with router. So according to the points in the article: 1. LEDs are disabled when it occures, except for...