7 | Partition Disk Windows

| Issue | Solution | |-------|----------| | Shrink option grayed out | Volume may be raw, unsupported, or pagefile is present. Disable pagefile temporarily, reboot, then shrink. | | Can't extend a partition | Unallocated space must be adjacent to the target partition on its right side. | | Unallocated space not usable | Convert disk to (if Dynamic) or use DiskPart (clean command – erases all data). |

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If you want to test other operating systems like Linux alongside Windows 7, each must reside in its own partition. Step-by-Step: How to Partition a Disk in Windows 7 partition disk windows 7