How to change active partition to inactive partition in window 7

You can use the following steps to de-active a active partition:

1. Open Command Prompt.

2. Type: diskpart

3. At the DISKPART prompt, type: list disk (This command will list all the disks that you have)

4. In the next prompt, type: select disk # ( # means the number of the disk which contain the wrong active partition )

5. At the DISKPART prompt, type: list partition

6. Use the command: select partition # (# means the number of the partition that you want to mark as active)

7. Inactive the active partition with command: inactive

Important Note: We strongly recommend that perform a full backup before this procedure.