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Patch cable connects laptop fine to router/switch, but not desktop?

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Last Modified: 2013-11-29
I have just made a patch cable (5e) and am using it right now to connect to my router/switch on my laptop.  But when I try and use it on my desktop I get the "connected" icon, but there is no connection to my LAN or the internet. I restarted the desktop and powered down the cable modem and the router, but this doesn't seem to fix it.  I don't get the DHCP SErver, Default Gateway, DNS server info in the Status Dialog box, the desktop works fine with the router, via a wireless-G USB adapter, which I disabled, when trying to get the hard-wire to work. Any ideas?
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568-B, because the 568-A didn't work on the laptop and didn't even give the non-working connection that 568-B gives on the desktop. I have taken another one and it does the same thing.  That's why I think it's something configured on the desktop itself or the router (somehow blocking the hard-wired connection) but I don't know what it could be.
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I don't want to connnect the laptop to the desktop.
I want to get the desktop to connect correctly to the router/switch, just like the laptop does correctly.
I have tried another wire and get the same results.
How can I find out if the desktop is set to Auto-Negotiate? in Windows XP
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>>>>Goto Network Connections.
>>>>Find the LAN card. Right click->Properties.
>>>> COnfigure->Advanced.
>>>>Find a setting Speed and Duplex. It should be at Auto.

All I see is FIrewall setup and Network Wizard hyperlink

USB Adapter is disabled
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The problem was in the TCP/IP settings.
It was set to a static IP for the NIC, I had the Wireless-G USB Adapter set to Dynamic (Automatically Obtain) and I didn't realize that each one was independent of the other.  So, I got the connnection icons, but no transmission because the IPs were messed up.

thanks
david
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