The NetGear EX8000 WiFi Range Extender is designed to remove the dead zones with the help of powerful tri-band mesh coverage. But the setup issues can be frustrating. This guide will help you to know why configuration fails, how new extender setup works, where mywifiext fits in and the fixes to get it running. https://netgerext.net/cannot-configure-netgear-ex8000-wifi-range-extender/