Wait for 60 seconds and connect the Modem/Router back to its power supply. You can either pull out the cable from Wall Socket or use the ON/OFF switch (If available). Power Cycle Modem/Routerīefore going ahead with other steps, make sure that you try this simple troubleshooting fix.ĭisconnect the Modem/Router from its Power Supply source. Wait for your Mac to completely Shut down > after 30 seconds press the Power button to Restart and you might be surprised to see WiFi working on your device. Click on Apple Icon in top-menu bar and select Shut Down option in the drop-down menu.