[Bryan Fury]

The "7.8 Mb" problem:

1) The 7.8 Mb of unallocated space is in the end of a hard disk drive (it is created in order to allow Windows to convert basic disks into dynamic ones). In this case this unallocated space can be merged into an adjacent Primary partition / Logical disk in Extended partition.

2) The 7.8 Mb of unallocated space is in the beginning of a hard disk drive. In this case this space can be merged only into an adjacent Primary partition. The thing is that an Extended partition can't start from the very beginning of a hard disk drive. So if you try to merge this unallocated space into a Logical disk in Extended partition - this operation will not succeed.

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