Configure Wi-fi
I deleted my wi-fi connection in Network preferences by mistake. How do I add and configure a new wi-fi connection?
MacBook Pro
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You'll need to create a new network connection.
See if this helps, don't hesitate to post back if more guidance is needed.
https://support.apple.com/guide/mac-help/change-network-settings-on-mac-mchlp1102/mac
(Make sure to follow the links at the bottom of the short article for additional set info.)