You cannot start windows vista can you use command prompt to boot to c drive?
No. Windows Vista is not based on DOS and a DOS boot disk will be unable to read the file system that Vista is on.
In Windows XP Go to: Start>Programs>Accessories> Command Prompt. At the command prompt enter: format c:/ This will format and erase all of the data on the c: drive. If you also have a d: drive then do a format d:/ command before you do the format of the c: drive. Caution: be sure you want all of the data erased as this action is not reversable.
There are three ways to change drive in Command prompt. The first way is to go to the drive, right-click it, then choose "Start Command Prompt Window Here". The Second one is to open CMD, and type the drive letter + colon (:) (Example: F:). To return to drive C: just type cd.. and it will return to it's default directory.
1. Click Start > All Programs > Accessories, and then click Command Prompt.(or start > Run >type "cmd" 2. At the command prompt, type the following, where drive letter is the drive that you want to convert: convert drive letter: /fs:ntfs For example, type the following command to convert drive E to NTFS: convert e: /fs:ntfs Note If the operating system is on the drive that you are converting, you will be prompted to schedule…