I have a MacBook Pro.  My mac can detect wifi.  But will not connect. I did get connected vis TCP/IP settings but I can't connect to any wifi anywhere.  Network diagnostic has a green light for wi-fi and wi-fi settings.  Red light for the rest.

I have a MacBook Pro.  My mac can detect wifi.  But will not connect anywhere. I did get connected via TCP/IP settings but I can't connect to any wifi anywhere.  Network diagnostic has a green light for wi-fi and wi-fi settings.  Red light for the rest. (Network settings, ISP, Internet and server.)

Hello NotAppleSavy,
Thanks for the question. After reviewing your post, it sounds like the computer wont connect to networks. I see you have used network diagnostic. I would recommend that you read this article, there are a lot of other things you can do in this article that may be able to help you resolve or isolate the issue.
Wi-Fi: How to troubleshoot Wi-Fi connectivity
Thanks for using Apple Support Communities.
Have a nice day,
Mario

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