Sometimes users face many problems when they set up its Asus RP-AC68U Range extender and log in. You can check these steps to fix the problem. Check your internet is working. Attach your extender and PC properly. Put the extender near the router. Check, there are no metal objects, cordless phones, and many other things that distract their signals. Check the power supply is adequate. Open any web browser, enter the www.repearter.asus.com , enter the username and password. Both are admins here. You can quickly fix the problems. If you need any help check https://asusrouterslogin.com/2020/04/11/how-can-you-reset-the-asus-rp-ac68u-range-extender/