Does your router use 192.168.1.254 to let you access its admin panel? If that is the case, then you should turn on your computer, then open a web browser and enter http //192.168.l.254 in the address bar. Hit enter button and you will be seeing the router’s admin panel page. Now, you need to enter the login credentials. If you don’t know what those are, then consult router experts.
https://www.routerloginonline.com/192-168-1-254/