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Kurosic's avatar
Kurosic
Aspirant
Sep 06, 2017

Netgear Nighthawk X4S AC3200 Wifi Cable Modem Router (Model C7800) Internet randomly drops

Netgear Nighthawk X4S AC3200 Wifi Cable Modem Router (C7800-100NAS) Model: C7800 Firmware Version: V3.01.36 I've recently purchased this netgear cable modem router. I've activated it with Xfinity ...
Firmware
Hardware
Troubleshooting
DarrenM's avatar
DarrenM
Sr. NETGEAR Moderator
Sep 08, 2017

Hello kurosic

 

Have you checked the modem logs to see if any timeouts are happening?

 

DarrenM

Kurosic's avatar
Kurosic
Aspirant
Sep 11, 2017

The event log also mentions "Timing Synchronization failure" and "No Ranging Response received".

  • vkdelta's avatar
    vkdelta
    NETGEAR Employee Retired
    Sep 12, 2017

    Please post full Event log and network log here. 

    • vkdelta's avatar
      vkdelta
      NETGEAR Employee Retired
      Sep 12, 2017

      also, when the disconnection happens, does it come back automatically? 

      • Kurosic's avatar
        Kurosic
        Aspirant
        Sep 12, 2017

        It does, but it takes a while.