Win7 How does the system hard disk re-establish the extended partition?

Many small partners when you open Disk Management, you find that there is more than one "unallocated" or "free space" on the disk. But when I turned on my computer to view it, there was no such disk. What was the cause of that? In fact, this is the small partners have not completed the results, this time if we create a new partition, the establishment of the primary partition, then how do we re-establish the extended partition? Small weave according to own experience to say oneself to windows7 system hard disk "unassigned" Space to establish an extended partition method, I hope to help you friends!

Small series to remind everyone to do a good job of computer backup of important data!

Method/Step

1, we on the desktop of the "Computer" icon on the right mouse button to choose Management! Open the Computer Management window, and then find Disk Management! You see the small knitting computer except C disk is the main partition, the remaining space becomes unallocated space!

2, we are now in the unallocated space to establish a division everyone to see how the effect! We right-click on unallocated space and select New Simple volume! We now create a 50G size D disk, we look at the final effect!

3, after the above steps, a new 50G size of the D-disk partition, you can see the new D disk is a primary partition!

4, how do we make the new partitions are logical partitions? Small knitting to everyone to say the specific method, we now first delete D disk, in D disk right mouse button, and then delete volume!

5, now open the Start menu, in the bottom of the search box to enter the command "CMD", and then run the Cmd.exe program!

6, after running the command window, we entered the command "DiskPart" Enter!

7, then we enter select Disk 0 after diskpart> Select our hard drive, and then enter! Of course, if you have several hard drives on your computer, you can input select disk x,x the hard drive that represents you is usually digital 0,1,2,3,4 and so on! But the general computer only one hard drive we enter 0!

8, then we enter the command "create partition extended" creates an extended partition, and then enter! This system automatically divides the remaining space after the primary partition into an extended partition!

9, after the above method, we now take a look at our Disk Management! We found that our unallocated space has become available and the color has changed!

10, now use the above method, re-establish D disk, we click the right mouse button in the free space, and then create a new volume!

11, the middle process is omitted, we also set up a 50G D disk, we found that the end of our D disk into a logical partition instead of the primary partition!

The above is the Win7 system hard disk (unallocated disk) how to re-establish the extended partition method introduction, the operation is very simple, we have learned? I hope this tutorial will help you!