@Riley_S I have removed the 2 Deco X75 units, activated the radios on the AT&T modem and changed the network to Access Point. About half of the devices came back online but I still have a number of...

The configuration of my network is as follows: Router - AT&T Fiber. All Radios are turned off Main Router: Deco X75 Firmware Version: 1.2.4 Build 20230914 Rel 95662 Other Routers: Living Room X75...