Question: My system volume is nearly full after years of use, while there is a large size unallocated space on hard drive; I want to merge it to C drive, but Windows disk management can not execute this operation. Is there anyone who has any good suggestion?

As for this question, there may be some causes:

  1. The currently operating system is Windows 2000 or XP. We all know Windows 2000 and XP built-in disk management tool has no extending function, so the unallocated space cannot be merged to drive C. The only way to extend system partition is to reinstall operating system.
  2. There is a partition that between C drive and unallocated space in Windows 7/vista/8/2008. It is well known that Windows 7/vista/8/2008 snap-in disk management has a great improvement because it contains Extend/Shrink Volume functions. With these two new added features, users can extend volume in theory. However, the extending function can only work when there is an unallocated space right behind the volume that needs to be extended.

Merge unallocated space to drive C with magic software

Under these conditions, it is impossible to merge unallocated space to drive C safely and non-destructively with Windows built-in disk management tool. So the best solution is to use a powerful third-party software, such as AOMEI Partition Assistant. With AOMEI disk manager, we can merge the unallocated space to system volume just by a few clicks. Apart from merging unallocated space to drive C, we can also merge adjacent partition to C drive through its merging function. The following picture is a screenshot of the user-friendly interface of this software:

Main Interface

Are you still annoyed by the low disk space warning? Do you want to add the unallocated space to C drive? If the answer is positive, then Partition Assistant is a good choice. Please free download it and try it out immediately.

Download link: http://www.partition-magic.org/download.html.

 

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