Please read this post: ‼ READ FIRST - Before Posting in Get Help
There are a lot of things to check and questions in there.
I do not think you have said what color the LED is? If it is green then the platform is running and its there somewhere, you just have to figure out the correct IP. If it is blue then you will only be able to connect to the diagnostic port.
Have you tried using the findmyhub page> https://findmyhub.hubitat.com/
Or you can also try the Registered hubs page from here: https://my.hubitat.com/
