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db3058's avatar
db3058
Guide
Sep 26, 2023
Solved

Nighthawk CM2050V Comcast Firmware Killed Speed

I understand Comcast has just updated the firmware in these routers from V2.01.03 to V9.01.01.  My download speed went from 934 to 225.  Comcast tech came out yesterday and cleared some signal loss b...
  • db3058's avatar
    db3058
    Oct 24, 2023

    I contacted a supervisor who actually responded he could see the modem was not properly provisioned, he opened another ticket and one of their best techs came out.  I think they fixed it from inside but he was excellent.  Problem solved after a month and about 15 tickets opened.   Thanks for the encouragement 

db3058's avatar
db3058
Guide
Oct 22, 2023

FURRYe38's avatar
FURRYe38
Guru - Experienced User
Oct 22, 2023

Any Criticals, Errors or Warnings seen in the event logs needs to be reviewed and resolved by the ISP. Indicates a signal issue on the ISP line up to the modem. ISP are responsible for the signal up to the modem!

 https://highspeed.tips/docsis-events/

db3058 wrote:

 

  • db3058's avatar
    db3058
    Guide
    Oct 22, 2023

    The ISP specifically Comcast does not give a **bleep** about or want to see what the modem diagnostics are.  They will troubleshoot their end with their cable analyzer, repair issues it reveals (in my case changing all the connectors) and they leave.