Question about Motorola Computers & Internet

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My internet modem SB5101 keeps cutting out. In a days time it goes from normal (all green lights steady) to not normal with one or more lights blinking, and I can't connect to the internet. What I want to know, how do I know if my modem is defective?

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  • artvr Oct 11, 2008

    I have already checked with my internet provider. They find nothing wrong with my connection.

    Is there any way of knowing if the modem is bad or may have a problem

  • artvr Oct 11, 2008

    I do not understand how to do what you're saying. Give me more details as to where I enter the number192.168.1.1, and where I enter my user name, etc.

  • artvr Oct 12, 2008

    Service was fast and helpful. Thank you.

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6 Answers

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  • 6,966 Answers

Hi,

Your intermittent connectivity while using a Motorola SURFboard SB5101 might be related to how said modem is connected to your computer:

  • Ethernet
  • USB.
In either instances, Windows could turn off the connection after inactivity automatically. Pls try to disable the "Allow the computer to turn off..." in the Power Management tab of the USB Root Hub Properties in your Device Manager. Do the same for your networking card.

Other possibilities include:
  • lease expiration of the assigned IP add from the DHCP. You could try assigning static IP add;
  • erring or inadvertently pressed stand-by button that provides hassle-free security by disengaging from the PC without disconnecting from the cable network.
Have you tried the online diagnostics page?

Should none of the above address your issue, then either a firmware update or a unit replacement would have to be considered. Other consideration would be how familiar you are with networking. With this mind, you may have to reference closely the step by step as detailed in the manual or seek the services of a qualified professional.

Hope that this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards. Thank you for using FixYa.

Posted on Oct 12, 2008

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When you say that the green light starts blinking, you need to check that whether it is the "Link light" which is blinking. If it is than it is quite possible to have a fault in the Cable line.

Also most of the times the ISP would not agree that there is an issue at there end, you will have to call them a few times to make them agree on the same.

Also i am sure that you must have tried powercycle on the modem, IF NOT than you just have to turn it off for about 20 minutes and than turn it back ON.

Now if you really think that it is the modem, you may do a hard reset on the modem.
To Reset you need to find the reset button on the modem(Usually a pin hole button at the back of the modem, you need to press and hole it for 10 seconds).

Note: If you do a hard reset, if there are any settings saved on your modem for the ISP, they will be lost and you might have to call the ISP for guiding you to set u the internet again(10% chance).

I am sure that this would help. If you had got the modem as well from the ISP , than keep bugging them and they will replace it if required...

Posted on Oct 12, 2008

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Slow Flashing - searching for cable connection

  • Verify coaxial cable connection and try resetting the modem. If cable is ok & reset doesn’t work, call technical support.
Fast Flashing Modem - searching for cable connection

  • If this is a new modem or a replacement modem, you must contact Cox with your MAC address Click Here. If there are several MAC addresses on the modem, please use the “HFC” or “RF” MAC address.
My internet modem SB5101 keeps - 624c79f.jpg

MOdem Manual


Reference Site (Cable Modem: Motorola SB5101 Troubleshooting)

Hope this info helps..


Posted on Oct 12, 2008

  • micromaster
    micromaster Oct 12, 2008

    Keeps us more updated on here;

    Thanks


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You can access the modem setup page . by typing this number on the address of your internet explorer http://192.168.100.1 then there you can check all the settings of your modem and also the status of your internet connection and also try to reset your modem and check if you still have the same problem...

Hope that helps.............

Posted on Oct 11, 2008

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Hi,

See what you can do is just login to your modem by typing this into your browser 192.168.1.1 and enter the username as admin and password as password or admin.
Next just find a RESET TO FACTORY SETTINGS option there and click on it.IF you still have any difficulties connecting then it is the modem and you will have to get a new one.

Posted on Oct 11, 2008

  • Priya darshan Oct 11, 2008

    Enter that into your browser.
    Open the internet explorer and load that no. you will be asked for username and pass

    Please take a moment to accept my solution so that i can provide further assistance to you.


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  • 435 Answers

Hi, It may not be the problem with your modem. Try calling your ISP (Internet Service Provider) and tell them that connection if often diconnected. 

You could check your modem by connecting w/ someone else's cable input and see if it works.
:)

Posted on Oct 11, 2008

  • Karthik P Oct 11, 2008

    Blinking light means that the modem is attempting to connect.
    If ISP does not find any problem with connection, modem might be defective. So please check with another cable or ISP to confirm.


    :)

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