Convert Dynamic Disk to Basic Disk Using CMD

Fix cannot install Windows on dynamic disk

1. On the page that you have to select a disk to install Windows, press Shift + F10 to open command prompt window. 2. Type 'diskpart' and press Enter. 3. Type 'list disk' and press Enter. This command displays all disks on the computer. 4. Select disk that you want. In this example, I will select the first disk (disk 0), so I type 'select disk 0'. And press Enter. 5. Then, type 'clean' and press Enter to delete any information on the disk. 6. Type 'exit' and press Enter. 7. Close the command prompt window. 8. Click 'Refresh' to update disk status. 9. Now you can create partition or choose the disk to install Windows.

To change a dynamic disk back to a basic disk using a command line

1. Back up all volumes on the disk you want to convert from dynamic to basic.
2. Open a command prompt and type diskpart.
3. At the DISKPART prompt, type list disk. Note the disk number you want to convert to basic.
4. At the DISKPART prompt, type select disk <disknumber>.
5. At the DISKPART prompt, type detail disk <disknumber>.
6. For each volume on the disk, at the DISKPART prompt, type select volume= <volumenumber>and then type delete volume.
7. At the DISKPART prompt, type select disk <disknumber>, specifying the disk number of the disk that you want to convert to a basic disk.
8. At the DISKPART prompt, type convert basic