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Ethernet not working

Discussion in 'Networking' started by racingsmoke14, Jul 19, 2009.

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  1. racingsmoke14

    racingsmoke14 Thread Starter

    Joined:
    Jul 19, 2009
    Messages:
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    This is my first time here so I hope I have the right forum. We have 2 laptops and 2 desktops.My sons desktop was fine when he went to bed and when he woke up he could not connect to our d-link dir-655. it says no network to connect to. I have changed the Ethernet cord and this did not help. Is there any way to tell if the motherboard Ethernet has went bad? He has a gateway with windows vista. Thanks.
     
  2. pedroguy

    pedroguy

    Joined:
    Jan 28, 2001
    Messages:
    6,523
    Welcome to TSG
    Ok.So is this the only pc on your home net that is having this problem ?
    And it is ethernet not wireless ?
    Make and model of modem and ISP name ?
    So from the failing pc let's see:

    From a Johnwill post on the Networking Forum

    Try these simple tests.

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

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

    IPCONFIG /ALL

    PING <computer_IP_address> For addresses,follow instructions below&#8230;.

    PING <default_gateway_address>

    PING <dns_servers>

    PING 206.190.60.37

    PING www.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. IPV4 for Vista

    <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.
    ______
     
  3. JohnWill

    JohnWill Retired Moderator

    Joined:
    Oct 19, 2002
    Messages:
    106,418
    Hold the Windows key and press R, then type devmgmt.msc

    Please respond to all the following steps.

    1. Under Network adapters, please tell me all the devices listed.
    2. Are there any devices under Network adapters that have a red x displayed?
    3. Also, are there any devices anywhere in the Device Manager display with yellow ? or ! displayed?
     
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