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pht08's avatar
pht08
Aspirant
Jan 08, 2025
Solved

Orbi Router RBR750 won't connect to Internet

I had to change my modem (now a Nighthawk CM1200) this morning and now my Orbi RBR750 Router system won't connect to the internet from the modem. I don't consider myself super knowledgeable in this d...
  • CrimpOn's avatar
    Jan 08, 2025

    You probably have a copy of the CM1200 User Manual:

    https://www.downloads.netgear.com/files/GDC/CM1200/CM1200_UM_EN.pdf 

     

    Notice that although the modem has four Ethernet ports, it is the top port that is intended to be used.

    After verifying that the modem is working correctly by connecting a computer (desktop, laptop) to the top port, that same Ethernet cable should be unplugged from the laptop and connected to the RBR750 router WAN port. (yellow)

    only one device should be connected to the modem at any time.

     

    After connecting, it is a good idea to wait before powering up the RBR750 and first cycle the power on the modem so that it "forgets" about the computer connection and is ready for the router.

     

    This is what you did already?