Relocation of home

Level 2
Hi, i just moved home and i already checked availability of tpg in my new home and its available. I want to go with tpg further.
I plugged modem in but its not working.
I moved from 12/8 elizabeth st, moss vale 2577 NSW to 6/10 arthur st, moss vale 2577 NSW. Please assist me what to do now.