Remove the Pi partitions from an SD card using the Windows 7

Credit:http://brucesbraindump.blogspot.com/2013/04/removing-raspberry-pi-partitions-from.html

C:\temp>diskpart

Microsoft DiskPart version 6.1.7601
Copyright (C) 1999-2008 Microsoft Corporation.
On computer: PC014033

DISKPART> list disk

  Disk ###  Status         Size     Free     Dyn  Gpt
  --------  -------------  -------  -------  ---  ---
  Disk 0    Online          167 GB      0 B
  Disk 1    Online         7460 MB  5802 MB

MAKE SURE YOU SELECT THE CORRECT DISK OR YOU WILL WIPE THE WRONG ONE !!!

DISKPART> select disk 1

Disk 1 is now the selected disk.

DISKPART> list part

  Partition ###  Type              Size     Offset
  -------------  ----------------  -------  -------
  Partition 1    Primary             56 MB  4096 KB
  Partition 0    Primary           1600 MB    60 MB

DISKPART> select part 1

Partition 1 is now the selected partition.

DISKPART> delete part

DiskPart successfully deleted the selected partition.

DISKPART> select part 1

Partition 1 is now the selected partition.

DISKPART> delete part

DiskPart successfully deleted the selected partition.

DISKPART> create part pri

DiskPart succeeded in creating the specified partition.

DISKPART> exit

Leaving DiskPart...

C:\temp>