The firmware of my Asus router has expired, what to do? When the firmware of your ASUS router expires, then you face a lot of problems. You may face an Asus router login problem, Asus router reset problem, internet dropping issue, slow internet, etc. Before you update the Asus router firmware, make sure that all the cables which are related to the wireless router, plugged firmly into their respective slots. Navigate the cursor of your computer to the configuration page of your device, and tap the option [GO]. Here, you should enter the PPPoE SSID and the password authorized to you by the internet service provider of your house.