On Tue, Apr 21, 2009 at 11:15:09AM -0300, Luiz Guilherme Regis Emediato wrote: > Hi, > > I am trying to install Debian 5.0 Lenny on AMD64 machine > but it hangs at partitioning. Why ? Are you sure the disk is ok? Have you tried running a livecd (like Knoppix) and mount the disk there? Perhaps try to write a filesystem to the disk again and see what happens. HTH Oli