During installation of UBUNTU 10.04.1 server 64 bit on my brand new TOSHIBA Satellite L640-X4310 with I5 processor,
I got error that
"NO ETHERNET CARD FOUND"

The system have ATHEROSAR8152 PCI-E fast Ethernet,which work superb for Windows Vista.

i tried

http://ubuntuforums.org/showthread.php?p=9449490

but nothing works out in my favour.