One must access the router's setup or configuration page in order to configure the router to the user's needs. The Asus router is identical. Even if it is simple to set up, you simply cannot do it if you are Cannot Login to My Asus Router. The mistake could have a number of causes.There are a number of causes for the problem, including incorrect internet access, issues with the Asus router itself, and maybe an incorrect default IP address that you entered.