no you dont
There is no "DOS mode" for a hard drive, and it is not necessary to use DOS to format a hard drive. Vista's installer had a built-in partitioner and formatter.
If MS-DOS is installed and booted from the drive, it can be accessed immediately at the command prompt. If you have booted from an MS-DOS floppy, you can access the hard drive by typing C:
fdisk.
SeaTools for Windows and Dos.
You have couple choices. The first one is to connect the hard with your files to another desktop and delete it from there. The second choice is to use a dos utility with allows to write/delete in ntfs system, if you don't have ntfs you can use any dos file manager (for instance, Volkov Commander which is free). In the last case you will have to boot ms-dos which is not hard at all.
primary
DOS is an operating system. CHKDSK is an application that check the hard drive for errors.
if you want to fromat a hard drive for windowsXP then read this... /a< you will need your winXP cd This a fast trick to get you computer in DOS mode. Power off your computer then power it back on, while your computer is turning on keep pressing F8 repeatedly until you computer prompts you how you want to run. Some of your options will be run in safe mode, run in safe mode with networking, but you will select run in DOS mode. Once your in your DOS mode then you are ready to go!
FDISK
FDISK
You need to be more specific with the question. The operating system say windows uses a generic driver for the hard drive, so if the computer did not see the hard drive you would not see anything, because the system would not run and you would only have DOS.
In Windows, Drive C: is the first hard drive.On the PC compatibles (DOS then Windows, which was a program running under DOS), drive A: was reserved for the first floppy disk drive and B: for the second floppy disk drive. Drive C: was reserved for the first hard drive.Many computers don't even have floppy drives anymore, but the first hard drive is still labeled C: