New install does not recognize network

I just installed mint on a 2015 MacBook Air. The install went well. The wireless network worked fine. The update however seems to have messed with it. When I click on edit network connections. My network is there - password and all. But the system is not recognizing it. Any help will be greatly appreciated

Hello @Sally and welcome to the forums!
The latest firmware updates have indeed caused some trouble for people. When you load up your settings and go to network, do you you see the WiFi normally? Also, when you tap on the WiFi icon on the bottom right, does it show you the available networks?