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Help please with Network/Net

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Ight heres my problem.

A few days ago we had a storm, this knocked out my router/modem/one of my Ethernet cards.

Well, I invested in some new ones and now I have a problem.

Both computers are using XP.

I plug in the cords to both of my comps, and then I reset my modem and router.
The first computer I turn on the internet works fine for, the second computer I turn on has "Limited connection or no connection"
This is confusing to me as it always worked fine beforehand.

I think the problem is something to do with both computers requesting the same Gateway, (as if I type in ipconfig, the default gateway is blank) and the second computer that requests it doesn't get the gateway, and it doesnt try for a few one.

I installed the patch by microsoft...no help there.

I think I just need a way to make it so one computer uses one gateway, and the other uses a different gateway. I don't know how to change it so it doesn't automatically choose one. I wan't to be able to set it up manually.

Any help would be greatly appreciated.

I am not a computer illiterate, I will understand anything you tell me to do, just a little push in the right direction and I am sure I can do it.

Thanks greatly.

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Maybe its a problem with DHCP...
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In the properties of your LAN connection, double-click Internet Settings (TCP/IP)
There you can configure if you want your IP-address automaticly (DHCP) or not.
Also, you can manualy configure your gateway there.

Is this what you are looking for?

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there is only one gateway per network, so they must use the same gateway

need several pieces of information

who setup your network originally?

Your router should be setup as a router and dhcp server. The router may be required to clone the MAC ADDRESS of the original machine on the network. For example, if you have comcast, they authenticate your network with a mac address.

Since one machine can get through, I wonder if that machine was originally the only machine, then you added the router and the second machine. Whoever set that up, did they clone the mac address from the original machine so the router could authenticate the network connection?
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