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Computer Recognizes NIC But Can’t Ping

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I have a computer running Windows XP with a 3com 10/100 NIC installed. I recently installed a USB 2.0 card and the computer still recognizes the NIC, but I can’t get on to the network now and when I try to ping 127.0.0.1 it times out with no reply. I can start up in safe mode with networking and successfully ping the card then, but when I boot up in normal mode it still doesn’t work. Removing the USB card had no effect. Any suggestions, anyone?

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If the NIC worked fine before you installed the USB card. You have a device/driver conflict. What do you see in Device manager? Any yellow question marks? Any unkown devices? I would try removing NIC in device manager rebooting and letting XP redetect. You may also have to find NIC model # and check for an updated driver. I would also look at your network connection folder and see if the USB card installation installed a second network connection that xp is trying to communicate through.It may think the usb is a PCI NIC and be trying to use it for network connectivity.

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There were no conflicts listed in the Device Manager, either in Normal Boot mode, or in Safe Mode. Running the Network Diagnostics routine lists all the NICs I have installed in the past, but still haven’t found a way to remove the listings.

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there might be a compatability issue with the drivers. See if you can find new drivers for the USB card. If you have the newest ones, then go to the “Last Known Good Setting” and from there you should be able to go back to a reset point before the USB card was installed. You can then re-install it.

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Tried finding new drivers for the USB card, but Belkin still had the same one listed that came on the driver CD. Using the Last Known Good Setting definitely didn’t work as I had to go back and reinstall latest drivers for Video and Sound again.

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-uninstall the NIC driver in safemode. shutdown the system.
-take out the NIC card.
-reboot the system in normal w/out the NIC first.
-shutdown the system. insert the NIC to a different PCI slot.
-reboot the system then install the driver for it.
-check the device manager and be sure that all the drivers are properly installed and there’s no bangs (?, !, x) in each of the devices.

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– try to uninstall and re-install the tcp/ip protocol in the networ properties. Then release and renew ip in the dos prompt (ipconfig /release, ipconfig /renew).

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Tried your suggestion, but to no avail. Contacted Microsoft to see if they could help, but they have the same suggestions as the rest of you guys. Probably will need to wipe the drive and start over. The TCP/IP protocol didn’t give me the option of uninstalling when clicked on.

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Sometimes when you install a new NIC in XP you have to go back and recheck all the network configurations settings for the new NIC. The most common problem I find in XP with new NIC is that the built in firewall has activated with settings that disallows the ICMP services that PING uses. Check the firewall settings and see what happens.

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The firewalls I have set up were all OK (using Norton Personal Firewall). The built in firewall isn’t activated.

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Have you tried to go back to a restore point before you installed the usb? I know its a simple thing but so many times it is overlooked as a viable fix for so many problems.

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Yeah, tried that one too. Still no luck.

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