Format Windows 7 Hard Drive

Accept the license terms and choose the Custom (advanced) installation type.

You cannot format the drive where Windows 7 is currently running from within the system. To wipe your primary hard drive, you must boot from a Windows 7 installation DVD or USB. format windows 7 hard drive

Are you trying to or just clear a second drive ? Is your computer booting up normally right now? Do you have the Windows 7 installation disc or a USB? Accept the license terms and choose the Custom

Full Format: This scans the drive for bad sectors and completely overwrites the data. It takes much longer but is safer if you are selling the drive or suspect it is failing. If you'd like to get more specific, let me know: let me know: