Thank's for reaching out, May we request for your customer ID or TPG username to be sent via private/Direct message so we can locate your account to assist with your internet issue.
We were able to locate your account using your community details and tested the line.
The modem shows that it is getting a sync from the NBN server, however, it is possible that configuration of the modem is incorrect.
You may try to configure your modem with your TPG username and password in order to get the internet. Here's an article that will guide you with the steps.
Let us know how it goes.