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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
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.

    • Kurosic's avatar
      Kurosic
      Aspirant
      Sep 12, 2017

      But sometimes when it seems to take too long, I just unplug and replug the router.

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

        Please provide event logs and network logs. if you dont like to post here, you can PM me as well.