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Computer not recognizing ethernet cable

For some reason all of a sudden my computer isn't recognizing that my ethernet cable is plugged in. The modem and router work fine, and tested the cable on another computer and it worked fine, so must be the computer, but can't figure out why it can't see that the cable is plugged in.

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  • ab_ford Nov 29, 2008

    I did the ipconfig/all and it couldn't find and IP address, it also said Media State Disconnected. It does show the icon on the bottom that says I am not connected, but I do have the cable plugged in.

  • pklinuxguru
    pklinuxguru May 11, 2010

    Can you not ping your router? Does the card show any lights? In a Command Prompt windows, does "ipconfig /all" show an IP for your computer? Try "netstat -rn" to show current connections.
    Do you mean you no longer see the little icon that shows you are connected? Go to Start -> Settings -> Network Settings -> Local Area Network (this may have a different number or name or may not even show one if it's not working). There's a checkbox on the Properties settings that shows the little icon in your active icons area (beside the clock). Also, you may have it hiding inactive icons (an arrow beside the clock that opens or closes to show more icons).

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It's the card itself. It probably went bad. Go to Walmart and pick one up for about $15. I had this happen a few weeks ago, All cables are good just wouldn't connect to internet. It's the ethernet card itself, they do go bad.

Posted on Nov 29, 2008

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I agree with bambi541 that it's probably the ethernet device. To replace it you need to determine if it's an add-on card or the built-in kind. It depends upon what type of box you have. If it's a tower, the CD and floppy drives are near the top and the power button is near the middle or lower down If it's a "pizza box", it lays flat on your desktop and you usually put your monitor on top of it. Looking at the back of the computer, if it's an add-on card, it'll be either on the bottom half of your computer or to the right, close to the keyboard and mouse connections. If it's built-in, you should disable it in the BIOS. If you don't know how, I'm pretty sure you can get by without disabling it, but it'll keep showing the "bad" icon as well as the new one. You might have to install some software with it, but XP is pretty smart with new stuff and may not need it. Just check the instructions. (You just need any 100MB ethernet card and it will be pretty cheap.)

Posted on Nov 30, 2008

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