So this has just happened again (it always seems to be roughly the same time of day). The problem is the connection seems to come back within a minute or so, which isn't enough time to do any...

@TP-Link_Deco 1. What is the current network diagram? How are the Deco M9 nodes connected to each other? The master M9 is connected to the ADSL modem via Ethernet. There is one other M9 node upstairs...

I, like a lot of others it seems, am suffering from regular WiFi drop outs with my M9s. Based on previous threads I've tried turning off the 5GHz network and running only on 2.4 but it has not helped...