Try these procedures if your Orbi RBR750 isn’t connected to the internet to fix the problem. First, make sure the modem is turned on and that all of the wires are connected correctly. To restore the network connection, restart the Orbi router and modem. Enter the admin interface on the Orbi router to see if there are any firmware upgrades available. Try doing a router factory reset if the problem still exists. Finally, confirm that your internet service is operational and live. Contact your ISP for additional help if you’re still having problems with your Orbi not connected to the internet.