On 21 Jun, 21:10, "P. Di Stolfo" <paolodisto...********.com> wrote:[color=blue]
> Hello,
> yes, sorry, I was just thinking into this sole direction that I left out all
> the other possibilities.
>
> But I'm interested in what the problem finally was...
> Greetings,
> P. Di Stolfo
>
> "Ken Blake, MVP" <kbl...@this.is.am.invalid.domain> schrieb im Newsbeitragnews:77ml73hmkhfkct8lpkc3orc1nb9lsl4kce@4ax.com...
>
>
>[color=green]
> > On Thu, 21 Jun 2007 20:19:04 +0200, "P. Di Stolfo"
> > <paolodisto...********.com> wrote:[/color]
>[color=green][color=darkred]
> >> Hello,[/color][/color]
>[color=green][color=darkred]
> >> could it be that your hard drives are built in a RAID? This would mean
> >> that
> >> your data is mirrored onto the second drive for data security and
> >> therefore
> >> there are only 250 GB available.[/color][/color]
>[color=green]
> > Lest this confuse anybody, that is *not* strictly correct. There is
> > more than one kind of RAID. What you are describing is called RAID1,
> > or mirroring. RAID0, on the other hand, or striping, is not redundant,
> > and does not work the way you describe.[/color]
>[color=green]
> > --
> > Ken Blake, Microsoft MVP Windows - Shell/User
> > Please Reply to the Newsgroup- Hide quoted text -[/color]
>
> - Show quoted text -[/color]

Well thank you all for your help its solved and I cant believe how
stupid I was that something so basic solved the problem.

Computer management, disk mangement, format etc etc.