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jphilip312's avatar
jphilip312
Aspirant
Feb 02, 2023

C7800 Unresponsive - All Lights On

Purchased March 2021. Worked fine until last night. Doesn’t show up on available Wi-Fi networks and internet company says it isn’t connected. Biggest difference I can see is the bottom 6 buttons are all steady lit white. Top 4 buttons light up momentarily when power is turned on but then turn off. 2.4ghz and 5ghz lights never light up. Not use to seeing steady lights all the time. Tried unplugging (24hrs) and factory resetting (didn’t work). Really hopeful it can be fixed as it cost me $350+ less than 2 years ago. Any help greatly appreciated!

3 Replies

  • plemans's avatar
    plemans
    Guru - Experienced User
    Feb 02, 2023

    Did you try factory resetting with the coax disconnected? Then push and hold it for at least 30 seconds while powered on? 

    What do the lights do when you do this? 

    • jphilip312's avatar
      jphilip312
      Aspirant
      Feb 06, 2023
      I tried to factory reset and it is not responsive. Lights stay on. Tried connecting hard wire and could not access via IP Address or website.
      • FURRYe38's avatar
        FURRYe38
        Guru - Experienced User
        Feb 08, 2023

        Try a reset with out the ISP cable connected.

        Try a 30-30-30 reset as last resort. 
        Maybe a hard failure of the modem...