Active partition is a disk partition in activated state

The Active partition is a disk partition activation state. In the computer, in the process of start the master boot record to verify the partition boot file and transfer activity partition boot partition boot record license, then the partition boot record using the boot file to start the operating system. In order to avoid errors in the boot operating system, there can be only one active partition of disk and the active partition must be a primary partition.
Many users may have the same concept: the active partition  boot partition and system partition. In fact, this view is very wrong. As there is only one active partition on a disk, if we want to normal operating system boot, the active partition system disk must be started partition used to store the boot of the operating system files, but the active partition can also be other primary partition of disk, it can't cause the operating system boot. And the active partition is not always the system partition. In Windows 7 installation process, for example, there is a hidden partition in front of 100 MB system partition, namely the boot partition storage operating system boot file, it is set as the default is the active partition. See it, may not be active partition system partition. See here, many users may ask: now only the active partition boot partition can use operating system, and then if the active partition is through a computer virus, how to restore it?


How to set active partition?
In computer use process, many users may have encountered the situation: computer viruses modify partition state, so active partition in hard disk is not boot partition and the operating system fails to boot. What should we do at this time? If we have the partition magic MiniTool Partition Wizard, we can use the distributed MiniTool Partition Wizard Bootable CD to boot computer and then employ Set Active function of MiniTool Partition Wizard to set boot partition as active partition. After that, we can reboot the operating system. Next, we'll demonstrate the operation, guiding users through the partition magic.
If users have downloaded the partition magic from the website of Resize Server Partition http://www.partitionwizard.com, please use MiniTool Partition Wizard Bootable CD to boot computer. The following interface will be shown.



In the interface, select the boot partition and click "Set Active" button in the left "Operations" area.



In the main interface, we can see the boot partition has become active partition, but this only a preview effect. Please click "Apply" button. After the partition magic finishes setting active partition, we can restart the operating system normally.

If your partition state has been modified by viruses and the system fails to boot normally, just use MiniTool Partition Wizard to set boot partition as active partition. The partition magic will not disappoint you.