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Set partition as Primary

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  • Contents:

    About “Set Partition as Primary”


    As we all know, partitions on a MBR disk can be divided into two types: primary partition and extended partition and the latter can be subdivided into several logical partitions. What we actually see in disk is logical partition and primary partition. Well, in which situation do we need to set partition as primary? How can we set a logical partition as primary?

    First of all, we’d like to explain the reason for setting partition as primary. If users are using an operating system released before Windows 7 (such as Windows XP, Windows 2000 and Windows 2003) and they want to install a second operating system to computer, they must set a logical partition as primary. That is because all the system files and boot files of each operating system must be saved to a primary partition and this partition shouldn’t be the partition that saves the files of the first operating system. In this article, we are going to give users a MiniTool Partition Wizard tutorial to help them complete such task.

    Well, before we talk about how to set partition as primary, we’d like to introduce some limitations of the task:

    1.Users can’t finish this task if they already have 3 primary partitions and 1 extended partition on the disk (since a MBR disk can support at most 4 primary partitions or 3 primary partitions and 1 extended partition).

    2.If the partitions on the right side and the left side of the logical partition which users want to set as primary are both logical partitions, they can’t finish the task, either (MBR disk can support at most one extended partition; if this task can be done, there will be two extended partitions on the disk).

    How to Set Partition as Primary


    Please follow the MiniTool Partition Wizard tutorial given below:

    1.Choose the logical partition that needs to be set as primary partition.

    set partition as primary

    2.Choose “Set Partition as Primary” from left action panel or click “Partition” in the menu bar, and then choose “Modify” and “Set Partition as Primary” successively.

    set partition as primary 1

    3.When the pending operation appears, click “Apply” to continue.

    4.In the end, tap “Yes” button to confirm the idea of performing pending operation.