@x60man In regard to the following: "DHCP reservation, no way to give the device different ip address than its currently on." I run Deco mesh in AP mode, so I can't test it, but according to TP-Link...

@Baco You will need minimum three Deco nodes, one on each floor. Maybe more, depending on where Ethernet cables terminate and what walls are made of in your house. Before I can give more detailed...

@SuneChrist Whatever other troubleshooting you will be doing, I would suggest keeping "MAC address randomization" off for any smartphone connected to your home network. Not only that randomization is...

@trebuchet5684 After you changed Deco mesh to Access Point mode, Main Deco will be getting its IP address from your ISP Router. Main Deco now has different IP address. Open Deco app, touch "Internet"...

@trebuchet5684 If the issue with laptops connectivity is intermittent, it is unlikely to be caused by date/time mismatch. Full power off/power on might still help, but I would also recommend to check...

@trebuchet5684 Sometimes an issue like that can be fixed by powering off and on everything. Do that in the following order: Power off laptops - make them shutdown, not "sleep" or "hibernate"...