You will need to Reset the router. Press and hold the small "Reset" button on the back with a paperclip for 10–15 seconds. This will revert all settings (including Wi-Fi name) to the factory defaults listed on the sticker.
Because the router controls the flow of data for every device in a home, it is protected by a login screen. By default, most manufacturers use incredibly simple credentials to ensure the owner can get in easily during the initial setup. The most common default combinations include: admin / Password: admin Username: admin / Password: password Username: admin / Password: (leave blank) 192 l.168.1.1 username and password
If you typed 192 l.168.1.1 (with the letter L) and pressed Enter, your browser will treat it as a search query, not a web address. You will see Google or Bing search results, not your router login page. You will need to Reset the router
To access the administrator settings of a router using the IP address , you typically need a default username and password provided by the manufacturer. Common Default Credentials Because the router controls the flow of data