What should I say, history repeats itself. The similarities are there, but this happens with frauds in power who only know to lie and use propaganda, it's the same in China and every other country where the leaders don't give a fuck about the people they should lead.
Why not? They are 2 separate things. So try all the basic shit first. Restart the router, delete the 2,4 GHz connection and reconnect so that you have to input the Wi-Fi password again.
And if nothing helps reset your router but save your configuration first, so that not everything is lost.
(Maybe it's just a coincidence and you have to go into the configuration of your router and change the lease-time of your DHCP. But this would only make sense, if you could connect to your wifi, but can't use it.) <- not likely
And if nothing helps: new router.
Why did people buy into him, he was known as two-faced since the beginning of gamergate, which started years before Trumps run Oo