A hidden partition’s data remains on the hard drive, but operating systems cannot see it. If you have more than one operating system on your computer, when you select a different operating system, the other partitions are hidden.
To hide and show a partition:
1 In the disk map, click the partition to select it.
2 To hide a partition, from the Advanced menu, choose Hide. To show a partition, from the Advanced menu, choose Unhide.
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