Computers & Electronics

A Network Cable Has Been Unplugged

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  • Mar 8th, 2012 10:26 am
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Deal Fanatic
Jul 8, 2010
7578 posts
576 upvotes
York

A Network Cable Has Been Unplugged

I'm running Windows XP on a computer that is physically connected to the internet through a cable. The cable runs from the LAN card, into ANOTHER COMPUTER'S LAN CARD (yes, I'm using internet connection sharing). It worked fine last night, both computers had internet. Today, I put in a video card into the computer that is acting as the receiver in the ICS process and wham, my internet disappears on it. I have no idea what the problem is, does anyone have a clue? I do see however that the host computer has a IPv4 Address of 192.168.1.100 while the second connection on it has an Autoconfiguration IPv4 of 169.254.27.19: http://ioj.com/v/fa7px , http://ioj.com/v/fgc0j , http://ioj.com/v/6ytj5

Yesterday when both computers had internet, the IPv4 on all connections were 169.254.27.19.

The slot I put the video card in is a PCI slot, which is ON the LAN card in the receiving computer, something like this:http://www.just-cases.com/data/inpc_pro ... /1u5r2.jpg The LAN card also has a few PCI slots coming out of it, which I connected the video card to. Video works fine.

The computer hosting the internet connection sharing HAS internet (this computer), the computer that is on the receiving end says "A network cable has been unplugged."

Also, I did check the tab "Allow sharing.. etc".
4 replies
Deal Guru
Dec 10, 2004
13194 posts
7650 upvotes
Kanata
perhaps there is an irq problem. Did you move the 2nd network card to a different slot?
Deal Fanatic
Jul 8, 2010
7578 posts
576 upvotes
York
goofball wrote: perhaps there is an irq problem. Did you move the 2nd network card to a different slot?

It worked fine yesterday (in the same slot). No, I didn't move the card into a different slot.
Deal Guru
Dec 10, 2004
13194 posts
7650 upvotes
Kanata
dankup wrote: It worked fine yesterday (in the same slot). No, I didn't move the card into a different slot.

I realize that. It was also before you put in a PCI video card in that it worked, correct? PCI slots can share IRQ's and the card can stop working properly if it has to share IRQ's. Most machines can share IRQ's with devices gracefully but perhaps not your machine. If you remove the video card, does the network card work properly then?
Deal Fanatic
Jan 18, 2004
6565 posts
264 upvotes
Markham
First step to troubleshooting is to reverse the action that immediately preceeded the problem. In other words, pull the video card.

Also, when everything is fixed, go out and get yourself a router. ICS is a pain. This isn't 1990. ;) You'll also benefit from being firewalled by the router, amongst other things.
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