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P L E A S E H E L P ! internet does not work even when I connect the ethernet cable

Discussion in 'Networking' started by LOLitsJK, Jun 22, 2009.

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  1. LOLitsJK

    LOLitsJK Thread Starter

    Joined:
    Jun 22, 2009
    Messages:
    1
    hello ! Recently my uncle redid my other laptop to its original, out-of-the-box state due to slowness. Afterwards, when my father plugged in the ethernet cable of Motorola's SBV5120 SURFboard Cable Modem (we use the optimum service) into the computer, the computer icon at the bottom right of the screen indicated that the network was unidentified and has only local connections---therefore no internet. On the laptop I'm on right now, the network is correctly recognized and has both local AND internet connections.
    Why is that ?
    I concluded that since the other laptop is "redone" then I must reinstall the installation cd of the modem... and I did, today.
    All went well in the installation process until the near end where the cd automatically checked to see how the connection was (btw the comp and modem). It resulted with an error stating something like that invalid or something (I forgot).
    Thus, my installation attempts of the modem on the other laptop failed.
    I tried to reboot both the comp and modem but still failed.
    I don't understand. Why is there limited connectivity?
    I don't even have perfect wireless connectivity. I mean, both of my laptops have the wireless capability and I can go around the house with the working one and find linkys with one bar of signal. But I don't have the wireless modem or something that gives stable wireless connectivity to either of them---only the motorola modem that gives internet to only 1 of the 2 right now.
    What should I do? The solution shouldn't be too difficult.
    I am quite young and did my best to solve this problem.
    So I now await for the knowledge of you professionals to aid me !

    thank you ! :)
     
  2. Mr. Freeman

    Mr. Freeman

    Joined:
    Sep 26, 2004
    Messages:
    152
    You want to first establish a connection from the laptop to the Motorola modem, with the Linksys router out of the loop. Is the laptop running Windows Vista or XP? When you go to Network Connections or Network and Sharing Center, do you see a LAN?

    If you are connecting via an ethernet cord to a cable modem, then you would not need to install any modem. The disk you have for your Motorola modem may be for installing USB drivers in case you were using a USB cable.
     
  3. JohnWill

    JohnWill Retired Moderator

    Joined:
    Oct 19, 2002
    Messages:
    106,418
    First off, lose any USB connections to the modem to start, with a router we need strictly the Ethernet connection.


    The following procedure should get you a connection with any broadband modem that is configured to use DHCP for the router connection, such as cable modems, and many DSL modems. If you require PPPoE configuration for the DSL modem, that will have to be configured to match the ISP requirements.

    Note that the wireless encryption and channel selection will have to be done after the basic wired connection is established, the first step is to get wired connections working.


    • Reset the router to factory defaults by holding the reset button down for 15 seconds with power on.
    • Turn off everything, the modem, router, computer.
    • Connect the modem to the router's WAN/Internet port.
    • Connect the computer to one of the router's LAN/Network ports.
    • Turn on the modem, wait for a steady connect light.
    • Turn on the router, wait for two minutes.
    • Boot the computer.

    When the computer is completely booted, let's see this.

    Hold the Windows key and press R, then type CMD (COMMAND for W98/WME) to open a command prompt:

    NOTE: For the items below in red surrounded with < >, see comments below for the actual information content, they are value substitutions from the previous command output!

    In the command prompt window that opens, type type the following commands one at a time, followed by the Enter key:

    IPCONFIG /ALL

    PING <computer_IP_address>

    PING <default_gateway_address>

    PING <dns_servers>

    PING 206.190.60.37

    PING yahoo.com

    Right click in the command window and choose Select All, then hit Enter to copy the contents to the clipboard.
    Paste the results in a message here.

    <computer_IP_address> - The IP Address of your computer, obtained from the IPCONFIG command above.

    <default_gateway_address> - The IP address of the Default Gateway, obtained from the IPCONFIG command above.

    <dns_servers> - The IP address of the first (or only) address for DNS Servers, obtained from the IPCONFIG command above.


    If you are on a machine with no network connection, use a floppy, USB disk, or a CD-RW disk to transfer a text file with the information to allow pasting it here.
     
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