Hi,
Does the system boot from the DVD or does it just start to load Windows?
If it's booting the DVD, you should get the installer screen. Start this
process and where you get the prompt about where to install Vista (a dialog
box that shows the drives), click on advanced. Then select C: and format
will be available as one of the tools.
If it's not booting the DVD, then you need to change the boot order in the
system BIOS so that the optical drive loads before the hard drive.
--
Best of Luck,
Rick Rogers, aka "Nutcase" - Microsoft MVP
http://mvp.support.microsoft.com/
Windows help -
www.rickrogers.org
My thoughts
http://rick-mvp.blogspot.com
"bassam" <bassam@discussions.microsoft.com> wrote in message
news:AD86553A-5C20-4C3B-AA4D-D7290ABE89EF@microsoft.com...
>I have installed Vista in my PC 8 months ago
>
> and now i have alot of error and some problem in some software
>
> i put Vista DVD and i restart my PC but i couldn't format my PC or HDD
>
> so anyone can help me and tell me how can i format my PC or HDD and
> install
> Vista
>
> again