There can be many reasons why your Mac isn’t connecting to Wi-Fi properly, but some issues can be fixed by altering your router’s 2.4GHz and 5GHz settings.
A small number of M2 Mac mini users are reporting issues connecting to Wi-Fi on 5Ghz networks, but the problem needn’t be confined to just one machine. It’s possible to have the same or similar difficulties with any Mac, and before you alter your router, there are two potential — and fast — solutions.
Make sure the wireless router is three or more feet away from your Mac. Or, if you have a Logitech Unified Receiver USB-A plug, put it on a short extension cord — four inches will do.
Read more at AppleInsider.com