Need help; NIC adapter now says limited connection

I have an AMD Athlon dual core PC running WinXP SP3, Avast anti-virus. Suddenly, the LAN connection dropped while online. Thinking it might be the Netgear router, I plugged directly from the cable modem to the NIC card, and it connects but the yellow triangle with exclamation point show saying limited or no connectivity.

I ran a quick scan with Malwarebytes having updated it a couple of days ago and it found 4 infections which were removed. After restarting, the same issue prevails. Am running a full scan with MB now but so far nothing has shown up.

Any ideas? Am sending this from my laptop which fortunately still functions.

Thanks.

You can try running the Winsock XP Fix
http://majorgeeks.com/WinSock_XP_Fix_d4372.html

Quote:

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Originally Posted by jontalk

... yellow triangle with exclamation point show saying limited or no connectivity... .

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Error can be displayed if/when modem is acting up.
Disconnect modem from power source for about two minutes, reconnect and wait about two minutes and test.

Thanks but I can't get any data through the NIC so how do I install a program like this and run it?

Copy it to a flash drive and take it to the affected system.

Thanks for the help.. As it turns out, there was some malware that had been removed by Malwarebytes, but it took a couple of reboots to finally clean it. All is back to normal now.