In case your Dlink Extender stopped working, then restart your modem and your Dlink Extender together. If you still feel that your Dlink Extender is not working, then check all your cable connections and connect the modem to the laptop using an Ethernet cable. On and off chances are that still your Dlink Extender won't open, then you can proceed with the process of reset dlink Extender to its default settings. It will start working properly.All Rights Reserved