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Nikasru's avatar
Nikasru
Aspirant
May 21, 2020
Solved

Speeds lower than 5Mbps on a new C7800.

I got a new nighthawk x4s to replace my old router but my internet speeds are lower than 5 Mbps and sometimes below 1 Mbps.(This was tested with both ethernet and wifi across multiple devices with https://speedtest.xfinity.com/ and https://www.speedtest.net/)

I already tried to reboot, reset to factory defult and contact my internet provider (xfinity) but everything was fine on their end.

  • If you have any splitters, attenuators, or amplifiers in line, remove them. Also directly connect to where the coax enters the home to prevent wiring within the home being an issue.

    Then log into the device and get a screen snip of the cable connection page and your logs and post them back here. 

    Another thing to check is see if they can re-provision it. I've had them send the wrong provisioning file before and cause issues. 

    Also, make sure you're speed testing over a hardwired connection. Its pointless to troubleshoot a connection back to the isp if we're dealing with a wireless issue. 

5 Replies

  • plemans's avatar
    plemans
    Guru - Experienced User

    If you have any splitters, attenuators, or amplifiers in line, remove them. Also directly connect to where the coax enters the home to prevent wiring within the home being an issue.

    Then log into the device and get a screen snip of the cable connection page and your logs and post them back here. 

    Another thing to check is see if they can re-provision it. I've had them send the wrong provisioning file before and cause issues. 

    Also, make sure you're speed testing over a hardwired connection. Its pointless to troubleshoot a connection back to the isp if we're dealing with a wireless issue. 

    • Nikasru's avatar
      Nikasru
      Aspirant

      There are no splitters, and wiring within the home is not an issue as my old router worked fine with it and it still can. I am also sure i am speed testing over a wired connection.

      • plemans's avatar
        plemans
        Guru - Experienced User

        Nikasru wrote:

        There are no splitters, and wiring within the home is not an issue as my old router worked fine with it and it still can. I am also sure i am speed testing over a wired connection.


        Were you only using a router before? 

        Who's your isp? 

        Reason I ask this is you don't have the modem activated. If you look at your cable connection page, you don't have a single channel locked. the C7800 is a modem/router combo device. 

        If your isp isn't a cable operator, the isp wouldn't be compatible with your service. If it IS a cable operator, you need to contact them to activate it.