> Nepastebejau kuriuo momentu atsirado safely remove hardware ir ten rodo SATA 
> diska, kuris padalintas i "C" ir "D".


For my ASUS Motherboard an M2N-MX SE and supposedly any board with nvidia chipsets:
go into regedit:
BACKUP THE REGISTRY
Then Under

HKLM\SYSTEM\CurrentControlSet\Services\nvata

go edit, create, "DWORD"
name it "DisableRemovable"
set value as "1" 

    -- http://forums.pcworld.co.nz/showthread.php?t=85623

-- 
  saimhe