How To Reset Netgear WiFi Extender?: Complete Guide. If your WiFi is slow, devices keep disconnecting, or you can't access the extender login site at www.mywifiext.net, pressing the reset button may be the best option. One of the most straightforward yet most effective ways to fix the problems and resume smooth communication is resetting the Netgear extender. A reset returns everything to default settings so you can start again, whether you're...