@RouterD 

This article wills how you what to look for in getting the internet going: https://www.tp-link.com/us/support/faq/1556/

I have the same issue. Brand new router AX1800.  Modem works, and internet through ethernet is fine.  Spoke with tech support and they suggested a 20 minute network scrub for a license fee!    @RouterD 

@AJWill 

How did you contact Support? Did you use https://www.tp-link.com/us/support/contact-technical-support/?

I don't think you did as the PHONES ARE DOWN now.

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Dear Valued Customers,
Due to the maintenance of the phone system, TP-Link phone support service is not available now. We encourage you to contact us through our Chat service or Community Forum. For your convenience we also have a database of self-help articles and videos available here: https://www.tp-link.com/us/support/

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I suspect, you, like many others, found 3rd Party webpages with phone numbers to call. Some are probably legitimate places that can help you, others are scam outfits.

I suggest you use the above line and CHAT as they do NOT charge.

@IrvSp.  You're right.  I was attempting to configure my router and wound up at  3rd party site instead.  Initiated a chat and then someone called me.