If the signal strength of the wifi is weak, that can cause intermittent connection or errors like the “network’s settings are not supported.” Security Type Not Compatible with Nintendo Switch.

How to Connect via Ethernet While the Switch does not support an on-board Ethernet Port, it is possible to set up a hard-wired internet connection on your Switch dock.

The first way to connect to the internet with a Switch 2 is via a wireless connection. To begin, navigate to the Settings icon on your Switch 2 home screen, then scroll down and select Internet.

Your Switch needs a data connection in some situations. Here's what to do if the Nintendo Switch won't connect to Wi-Fi or the internet.