@Solla-topee Hi, thanks for responding. I can't be definitive about some of the answers here as unfortunately the last two times this has happened I've been away from home and another family member...

@David-TP I've made a post about the M4 crashing separately, and whilst I've not yet found a way of triggering the crash, perhaps my experience of the M4 going "red light" is the same as the previous...

Over the last 6 months I've had 4-5 instances of the M4 router crashing. It's hard to debug the precise situation, but effectively the Deco goes offline as far as WAN access is concerned, all local...

@David-TP yes, exactly that. All devices show white light All devices can be connected to directly via their IP address Deco app shows all of them "offline" But all devices that are connected to them...

@David-TP Thanks David - your note prompted me to look at the DNS settings, and surprisingly to me they were set as blank (I've always had OpenDNS as the provider in there so that surprised me)....

My better half burnt the toast at the weekend and tripped the power. After resetting the electrics, everything booted back up and wifi / internet connectiomn re-established as I'd expect. However,...