Nighthawk MS60 won’t reconnect after power outage

Why does my Wi-Fi not connect after certain power failures?  I am away from home a lot and at least twice now (not all the time), my router restarts fine after a power outage, my Netgear mesh boots up and shows blue status, but it won’t connect. I have to disconnect the internet in cord, power down, reconnect internet cord, power up to get the mesh hub to reconnect.  

Is this common for all wifi/mesh systems?

if so, how can I prevent it?

I need my Wi-Fi to work when I’m away!