Dear David, I have a modem from my internet provider Telenet, the brand is Sagem and the model is F3896LG-TN My main Deco is connected directly to my modem. I also connected the other Deco's directly...

I purchased a 3-pack TP-Link Deco X75 but am having problems installing it. In every room where I want to place a Deco I have a wired connection but only the 1st Deco I install connects via a network...