check the article Formatting disks and drives at microsoft. It should be formated as NTFS
Make sure that the disk uses a format that windows recognizes
For any disk OTHER THAN THE ONE YOU BOOT FROM, simply open a command prompt and type: format d: (where "d" is the designator of the disk that you want to format) OR open windows explorer, select "my computer" then right click on the drive you want to format (again, it can't be the disk you boot from" If you want to format your C drive you'll need to boot from some other medium, such as the installation disk or a floppy.
Windows 7 and Windows XP are operating systems. You cannot format operating systems. But you can format your hard disk or hard drive. You can use Windows XP bootable CD to format HDD, but you will have to use Windows 7 Bootable Installation disk to install OS on your formatted drive.
you can't format the drive that you're running windows from while in windows. use the setup disk to run a recovery console and you should be able to format it from there using format c:
yes
Disk management
No, XP will format the disk if that's needed.
It means that you are currently using a file or files on the hard drive you are trying to format. If you are trying to format your primary drive you will need to boot to a boot disk - not the C: drive. For most versions of windows you will will need to make the boot disk(s) (an option under My Computer) and boot to those disks rather than your hard drive.
format B: /s
My Computer, right click on floppy drive-> Format... In the next windows choose Create a MS-DOS startup disk
Go To My Computer and OPEN the folder. Right-click the Disk you want formatted. Left-click to pick Format and choose your options, to format for instance A: disk. It will erase any files on any disk you choose to FORMAT so choose only a drive you want to clear and format.
Go to control panel - administrative tools - disk management. There will be all the tools in a handy console to format and partition your hard drive.