Have Nokia 7.2 that is not displayed via Chromecast dongle nor built-in Chromecast on Android TV

[JohnF]

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Original poster: phillip Menz 

Done reset reboot option on all ends, have checked & reset permissions on phone . it seems to connect but doesn't display then loose connection .

[JohnF]

Welcome to the help community

Are you in a Chromecast supported country?

Chromecast with Google TV is only supported in Australia, Canada, France, Germany, Ireland, Italy, Japan, Spain, United Kingdom, United States (except Puerto Rico). 

If so, please follow setup instructions on

https://support.google.com/chromecast/topic/10089023

If you do not have full control of your Wifi Router, does your location have a captive portal (campground, apartments, dorm, hotel, etc) that requires a login? When the captive portal settings are enabled, these settings can prevent your Chromecast device from properly connecting to your mobile device or computer. -- See What router settings do I need to set up Chromecast?

-from James.M (Product Expert)