Is there any better way to repair invalid dynamic disk without data loss using CMD? The best dynamic disk management software will help you out in Windows 7/8/10.
By Ailsa / Last Updated September 11, 2019
My original operating system was Windows 7 Professional or Enterprise. Now I have a new Windows 10 Enterprise desktop. I put these hard drives from my original PC to my Windows 10 and want to retrieve data. The original system hard drive was fine, and the other shows dynamic disk invalid. The only option provided in Windows 10 was Convert to Basic Disk, but the option will lose all the data. What should I do to save my data?
When your Windows operating system stating the dynamic disk as invalid, you would be in panic and want to know why it happened. There are so many reason could account for invalid dynamic disk error, like bad sectors, hard drive issues, bad SATA cable, virus attack, or malware. And the most important reason could be the Windows incompatibility issue.
The below text will show you several ways to repair invalid dynamic disk. According to the real cause of invalid dynamic disk, we list 4 effective ways to fix.
As we all known, dynamic disks are not supported in all version of Windows operating system, If the dynamic disk shows as invalid, you could upgrade to another Windows OS that supports dynamic disks. Then the problem should be fixed.
How to repair invalid dynamic disk without data loss using CMD in Windows 7/8/10? The instruction will lead you to the right way.
Input cmd in search box and choose Run as Administrator.
Type diskpart and hit enter.
Type list disk (Missing disks are numbered M0, M1, M2, and so on; and offline disks are numbered 0, 1, 2, and so on.)
Type select disk
Type online disk
If this solution is not working for you, try the next one.
Type diskmgmt.msc in search box on the desktop to enter Disk Management.
Right click the invalid dynamic disk and choose Convert to Basic Disk.
If the option Convert to Basic Disk is greyed out, you have to delete all partition and data on it (you will lost all of data) and then select the option to convert to basic disk to repair invalid dynamic disk issue.
Try another reliable way to repair invalid dynamic disk without data loss – AOMEI Partition Assistant Professional, if you do not have the plan to lose your data.
AOMEI Partition Assistant Professional is a powerful dynamic or basic disks and volumes management software for Windows 10/.1/8/7/Vista/XP/2000 and Windows Server 2003/2008/2011/2012/2016.
It allows you to convert disk between basic and dynamic without losing data. And allows you to manage dynamic disks and volumes, like extend, shrink, create, delete dynamic volumes, create volume wizard, move volume slice wizard, and add drive to RAID, etc.
Before converting, backup all the data on dynamic disk in case you have to recover data. Here are the detailed steps to convert:
1. Install and run AOMEI Partition Assistant Professional; click Launch AOMEI Dynamic Disk Manager button to lauch it.
2. Then right click the invalid dynamic disk & choose Convert to Basic Disk.A prompt window will show up, and hit OK.
3. View the changes of the invalid dynamic disk, and press Commit.
4. At the Pending Operations window, press Proceed button to repair invalid dynamic disk without losing data in Windows 7/8/10.
The operation requires a reboot to take effect the conversion.
Now, the dynamic disk shows as invalid problem should be repaired and it will never bother you again.
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