Welcome to TPG Community!
We were able to locate your account using your community details and understand that you were able to contact our Tech team to report the issue.
It appears that the internet is working and the WLAN was Off, which is why you were not able to get the internet working.
The issue is marked as resolved, since you've confirmed that the internet is already working after turning On the WLAN of the modem.
Should you require further assistance, please let us know.