@No23 This is unusual. It might be an issue with mixing WiFi6 and WiFi5 Deco hardware in same mesh. It should not be, according to TP-Link, but it is worth to check. 1. Wire laptop directly to Office...

@SynaZe I will need to have floor plan of your house, both floors, with where all three Deco nodes are placed. It could be similar to what was shared in this conversation...

@SynaZe In Deco app, open information page for 3rd Deco node. You should see its Signal Source, example: In this example, signal strength is good, two blue bars. What does it show for your 3rd Deco...

@dmd29 Check this document: What do the different LED colors meaning of Deco? It is a bit outdated, but in summary, these are possible scenario: 1. Satellite Deco (one or all) - Blinking Red, Main...

@diverdown87 I have the whole cabinet of networking gear that I bought at different times and found it does not meet my expectations. What I do is give that hardware to people free of charge. What...

@ERINVILLE ERINVILLE wrote @ERINVILLE Thanks for your reply. I'm open to suggestions. Just wondering if Access Point would extend the wireless range? If you are talking about Deco Access Point mode,...