REM reg add "HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\Environment" /v devmgr_show_nonpresent_devices /d 1 /f
REM ve spravci zarizeni zatrhnout "skryta": odstranit zasedle a konfliktni kramy
set devmgr_show_nonpresent_devices=1
start devmgmt.msc