Since Windows 7 released, it holds large amount of users. Some common issues exist like the former operating systems. Typically, the low disk space problem implied by the red bar when open "Computer". Fortunately, many users are satisfied with theWindows 7 Disk Management because it includes the resize partition feature like Windows 2008 and Vista.
As one of the outstanding partitioning software, Aomei Partition Assistant Pro Edition is regarded and recommended as the Windows 7 partition magic which can easily increase partition size for Windows 7.
Launch Aomei Partition Assistant Pro Edition, hard drive information will be automatic displayed in the interface:
Drag D: partition left side rightwards (Shrink D: partition to free up some space for C: drive):
Drag C: drive right side rightwards (add unallocated space to C: drive):
Make the changes come into effect by clicking "Apply" on the toolbar after previewed the changes and ensure operations in the "Pending Operations" box.
With several mouse clicks, the red bar changed into normal and the size increased successfully.
Open Windows 7 Disk Management, right click the C: drive you will find "Extend Volume…" option is grayed out:
From the 1st limitation, we can find the reason is no continuous unallocated space behind C: drive. So, delete D: partition is needed. However, this will cause all data losing on D: drive:
If skip the deletion, extend boot partition will stopped here, maybe this is the reason why users would like to choose Aomei Partition Assistant which holds more advanced function such as move partition.