Network Cable Unplugged

Hey,

I recently installed a new Nvidea GT 9500 graphics card on my sole PCI express port. To do this, I had to remove a firewire controller card that I never used. Besides that, I did nothing else to the computer. Upon reboot, however, I immediately encountered the fact that I could no longer connect to the internet because "a network cable is unplugged." Even after installing new drivers and uninstalling old ones, I still have this problem. The odd thing is that I can connect to the internet for the first 15 second after logging on, enough time to load my homepage on firefox. After that, the network cable becomes "unplugged." Here are the steps I have taken to try to solve this issue.

1. I have thoroughly checked the modem and router for any issues. There are none. The internet works fine from all other computers.
2. I have checked in the device manager for any driver issues. The Intel Network adapter is working absolutely fine, and there are no yellow exclamation marks.
3. I have rebooted multiple times.
4. I have unplugged the router and modem and replugged them in, resetting them.

Please, can anyone help me?

Edit: Also, the light by the ethernet port is solid orange/amber.

Edited by Wikizilla, 31 July 2010 - 11:35 PM.

Control Panel/Network Connections.

Check to see if Local Area Connection for your network adapter is enabled. If not, RIGHT click on the adapter, enable it, see if the resolves the issue.

Control Panel/Network Connections.

Check to see if Local Area Connection for your network adapter is enabled. If not, RIGHT click on the adapter, enable it, see if the resolves the issue.

It is enabled. I checked.

Okay, thanks everybody for reading/posting. I fixed it by pulling the power from everything- I took the surge protectors out of the wall sockets and left them for a minute or so. I guess that did a complete enough reset of the modem and router to fix the connection problem.

Thanks again.

I'm glad you resolved the issue. Thanks for letting us know what you did.