How to Convert Dynamic Disk to Basic Disk

This method will convert your invalid dynamic disk into basic disk without losing any data and recover all files on your hard disk.

1. Download TestDisk ,  install and run the program.

2. Select Create (Use your keyboard arrow key to select)

3. Select the hard drive you want to change to basic disk and select proceed and press enter.
4. Then select the OS/System menu base on your system. (example Intel/PC)

5. Select Analyse

6. Select backup, then select proceed.
7. Now you will see your partition listed. Select the partition and press C to copy. You can copy and backup the files into any storage on your computer such as external Hard Disk or Thumb Drive.

8. Now select Write the press Y on your keyboard to confirm.

9. Reboot and now you will be able to use your disk again.


  1. If you have more than 4 partitions in the Dynamic Disk, then this method won't let you choose all partitions as Primary or Logical. Here is a method to convert dynamic to basic without data loss using testdisk: The key portion is to shrink the volumes before using TestDisk.


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