how to access 192.168.1.1 web interface

today i take real ip for using inteet . before that i was using shared ip . the problem is that after taking real ip i caot open my tp link router web interface for configure router manually . i tried several things for solving this issue . i find out my default gate way address and then i type the address in browser but nothing is happening . i tu of my computer i tu of my router and i tried to reset my router but it is not working . what should i do