It is not so easy for a router to provide Internet to every corner if you live in a big house. If you are facing this type of problem with your ASUS RT — AX3000, then you need to use the Range XTD booster with your router. https://medium.com/@marteric098/steps-to-pair-rangextd-booster-with-asus-rt-ax3000-router-d39cd6dd5933