Windows Disk Managemnt has a lot of limitations. If you want to convert dynamic disk to basic disk, you have to delete all volumes on dynamic disk first. Therefore, Windows Disk Management is not a wise choice to convert dynamic disk to basic disk without data loss. Don't worry, EaseUS Partition Master is such a tool to help you solve the problem without deleting all the volumes.
EaseUS Partition Master provides the feature to convert dynamic disk to basic disk, including simple volume and mirrored volume, and here is the step-by-step instructions.
Case 1: Convert dynamic disk containing simple volumes to a basic disk.
1. Run EaseUS Partition Master, and go to main screen.
2. Select dynamic disk on the disk map, then click "Disk"on the toolbar and choose "Convert to basic disk", or right click the dynamic disk and choose "Convert to basic disk".
3. After select "Convert to basic disk", you will see the dynamic disk has become basic disk on the disk map.
4. Click "Apply" to convert dynamic disk to basic disk. You will see the dynamic disk has become basic disk in Windows Disk Management. And then you can use "Resize/Move partition" feature to resize partitions on the basic disk, or use "Resize volume" to resize dynamic disk directly.
Case 2: Convert dynamic disk containing mirrored volumes to a basic disk.
To convert mirrored volumes, you need to break mirrored volumes by Windows Disk Management and then convert dynamic disk to basic disk with the "Convert to basic disk" feature of EaseUS Partition Master.
1. Right click "My Computer" and choose "Manage" -> "Storage" -> "Disk Management", right click the mirrored volumes and choose "Break Mirrored Volume" to break mirrored volumes or choose "Remove Mirror" to remove mirror. If the boot/system partition is on the mirrored volumes, you can only choose "Remove Mirror" to remove mirror. Please backup your important data before this operation.
2. After choosing "Break Mirrored Volume" or "Remove Mirror", the mirrored volumes on the dynamic disk which you want to Convert to basic disk will become simple volumes. Follow the steps in Case 1 to complete converting dynamic disk to basic disk.
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