Without typing the login credentials in the Tp-link Extender login window, no user can interact with the tplinkrepeater.net window. Both the login credentials are case-sensitive, make sure that you are holding the shift key when you want to type an uppercase letter and release the shift key when you want to type a lowercase letter. Most of the users periodically change the login password of the Tp-link extender login window to keep the unwanted users away from accessing your network. If you haven’t changed the default password after the setup process you need to type the default password on the password field of the Tp-link Extender login window. The default login password of the Tp-link extender login window is “admin”.