Notebook Win7 system partition error can not create a disk partition and the solution

First, the cause analysis:

Since the primary partition has reached 3, and the extended partition has been established, in this case the user When you continue to divide, you will get an error.

Second, the solution:

can be divided into four primary partitions or three primary partitions + 1 extended partition (multiple logical partitions can be created in the extended partition), that is, 3 main Partition + 1 extended partition.

1. If the win7 system has 100MB boot partition + system partition + hidden partition, these three partitions belong to the main partition, so you need to divide all the remaining space into the extended partition to be able to partition smoothly; >

2, win7 system default division of the primary partition, to the division of the fourth partition, the system will automatically move the fourth partition into the extended partition, no need to specify the partition type;

3, During the process of installing the system, the partition can only be divided into up to 4 partitions, that is, the primary partition. The extended partition can only be created under the system;

4. If the following situation occurs, the detailed steps are: first delete D Disk, then right click to delete the extended partition (green part), delete will be merged with the previous undivided space, and then create a new simple volume, the system automatically divides the extended partition and logical partition, the partition can be set size, the remaining space can be Continue to divide.