Ok, the problem is now resolved after I switch the main deco with one satellite deco. The old main deco must be malfunctioning. And I also sent you a message about the remote session. Thank you so...

@TP-Link I have sent you a private message regarding the information you need. My ISP is wow cable https://www.wowway.com/. And my modem is Arris SB6190

@TP-Link Yes that is exactly what happened to me. I have tried to move the switch behind one of the satellite Deco X20. And it worked! My laptop was able to get IP address when connecting to the...

So I have a Tp-Link Deco X20 mesh WiFi router. Since it only has two Ethernet ports, so I bought a switch to support more wired connections. The switch I bought was Tp-Link TL-SG105, which is an...