Удаляем недоступный сетевой контроллер

Windows 2008:

It MUST be started from the elevated-privilege command window for this procedure to work.
(Start -> Right-click "Command Prompt",select "Run as Administrator")
Type set SET DEVMGR_SHOW_NONPRESENT_DEVICES=1, and then press ENTER.
Type Start DEVMGMT.MSC, and then press ENTER.
Click View, and then click "Show Hidden Devices".
Expand the Network Adapters tree.
Right-click the dimmed network adapter, and then click Uninstall.

To correct this problem via registry, do the following in the registry:
Start Registry Editor (REGEDT32.EXE) and locate the following registry subkeys in the HKEY_LOCAL_MACHINE subtree, where number is the number of any network adapter that appears in the Installed Adapter Cards section in the Network tool in Control Panel:
\SYSTEM\CurrentControlSet\Services
\SYSTEM\CurrentControlSet\Services\NWLinkIPX\NetConf
\SOFTWARE\Microsoft\
\SOFTWARE\MICROSOFT\WindowsNT\CurrentVersion\NetworkCards\
Manually remove all subkeys pertaining to the network adapter.
Quit Registry Editor.
Shut down and restart Windows.