thanks to Psycogeek, here's step by step solution:
First in Start Menu right click on My Computer
and click on Manage
.
At the left Tree View click on Device Manager
.
at the center Tree View on Other devices
right click on your Ethernet adapter
and click Uninstall
.
after Uninstall at upper menu on Action
Menu click on Scan for hardware change
and when your Ethernet adapter
recognized wait for windows prepare to install the driver.
at first page of installation click on no thanks
(because you have no Internet Connection!) and Next
after that click on Advanced
and Next
and then click on Don't Search
and Next
and at next page chose Network Adapter
from list. and Next
then Chose the Manufacturer
of your Network Adapter
and the Network Adapter
type.and Next
. If you see a message box click yes and wait for your driver to install and finally you have your driver :)