1. Reseat the mini-PCI card in the door onthe bottom of the notebook.2. If that didn't cure it, boot to the Wondows Safe Mode (F8 while Windows just starts) and go to the Device Manager and delete or uninstall all NIC entries. Then reboot and let it be found again.3. Then use the link below in my sig to the Actiontec Intel 8255x Ethernet driver.