@ElsonThomas It seems my problem is solved. I have a router with wifi (Telenor) connected to the modem, and the main Deco x20 unit is plugged into that one. Even if they are on the same network, they...

@ElsonThomas Same problem. I have a 3-pack Deco x20, v. 2, and four computers, all running Windows 10. One is used as a file server, and in addition to connecting to the internet, the main purpose of...