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Forum Discussion

kmspgh's avatar
kmspgh
Aspirant
Nov 09, 2023

C7100V Stuck in a Boot Loop

Our C7100V Cable Modem keeps trying to boot and fails, likely due to a firmware upgrade that went .  Unable to see it to login.   It looks like I will need to connect my windows 11 laptop to it by a ...
FURRYe38's avatar
FURRYe38
Guru - Experienced User
Nov 09, 2023

You'll need to contact the ISP for this. ISPs are the only ones that can push FW to C and CM series modems. There is no user UI for user updates. 

 

Disconnect the coax cable and power OFF the modem for 1 minute then back ON with out the coax cable connected, does this stop the boot loop? 

 

kmspgh's avatar
kmspgh
Aspirant
Nov 09, 2023

It does not.  I have tried every potential solution.  Unfortunately, Comcast tells me to contact Netgear.

  • FURRYe38's avatar
    FURRYe38
    Guru - Experienced User
    Nov 09, 2023

    Try a 30-30-30 reset with the modem. Look online for this method.

  • FURRYe38's avatar
    FURRYe38
    Guru - Experienced User
    Nov 16, 2023

    Any progress?

    kmspgh wrote:

    It does not.  I have tried every potential solution.  Unfortunately, Comcast tells me to contact Netgear.