
The system partition holds the boot sector and must be marked as active. System partition: it is a primary partition that contains the boot loader, a piece of procedure responsible for booting the OS.Extended partition: it can’t be used directly unless we partition it to multiple logical partitions which can’t be set as active.Primary partition: it’s a partition type exists in MBR disk which can supports up to 4 primary partitions or 3 primary partitions plus 1 extended partition.For better understanding of active partition, you can learn something about these four partitions as follows: Inactive Partition FAQĪccording to Microsoft definition, an active partition is firstly a primary partition, and then a system partition. How to Mark Partition as Active/Inactive with MiniTool.



Now, you can refer to this post to know how to do these works. To solve this issue, you can use MiniTool Partition Wizard to correct the wrong settings. If a wrong partition on the computer is set as active, and the system partition is set as inactive, you will be unable to boot your computer successfully.
