come in1. Make sure the ethernet card is recognized and driver module is loaded on startup. can u paste the result of the following two commands: lspci --- List all pci device lsmod --- List loaded modules 2. If your ethernet card is not well configured, configure again using "netconfig". If you have a static IP, just give all the informations, if using DHCP, then choose dhcp. 3. After configuration, restart the networking /etc/init.d/network restart Good luck