Steve183 wrote So why even have a DHCP range, or why not default to 2-249? @Steve183 DHCP range sets what can be given out by the router. If one sets to say 100 - 253 then you can configure on a...

@FutureMagic If you had Smart Connect on, then the single 2.4Ghz SSID and P/W was used. With it off, and you had never set the 5Ghz SSID and P/W it was using the shipped dafault. On some devices,...

@FutureMagic The log is in the Advanced Settings under System. Since the Wi-Fi is working, there probably wouldn't be anything of help in it though. Wondering if it is the Wi-Fi Security setting? Try...

@CaptPat You have SMART CONNECT enabled... it is a Wi-Fi setting. Both 2.4Ghz and 5Ghz radio's will use the SSID and P/W set on the 2.4Ghz band. Turn it off and you can set each one individually.

@FutureMagic BTW, the AX3000 has a WPS/Wi-Fi button on the back. Could someone have turned the Wi-Fi off?

@FutureMagic Do you KNOW if the SSID's are still broadcasting? Did you look at the SYSTEM LOG on the ROUTER, might see something there? Did you REBOOT the router?