Uninstall the Driver
you should uninstall the intel driver if you are permanently removing intel adapters, or if you need to perform a clean installation of new drivers.
before you uninstalling the driver,
1 make sure the adapter is not a member of a team. if the adapter is a member of a team, remove the adapter from the team in intel proset.
2 uninstall intel proset.
if you perform these instructions out of order, it is likely that you will encounter a phantom adapter. the driver and registry association exist, but there is no physical adapter.
to uninstall the driver:
1 from the control panel, double-click add/remove programs.
2 select intel pro ethernet adapter and software.
3 click change/remove.
4 when the confirmation dialog displays, click yes.
5 allow the uninstall process to complete. click finish.
6 restart the computer.