Netgear Extender Login set up sometimes redirects you to an IP 192.168.1.250 address, to access the mywifiext login page and an installation screen will appear, enter your email address and create a new Netgear account,then click on next option, click on scan option(to connect your extender with existing access point or router),select Network name ssid of your existing access point and then click on next option,repeat the same for 5ghz network ssid, enter wireless security key for your access
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point,then click on continue option,Netgear extender will try to connect with your existing access point, once the setup process is complete led lights on Netgear extender login will turn to solid white.
Source: http://mywifiext.us/netgear-extender-login/