To manually wipe a drive and convert it to GPT:
- Turn off the PC, and put in the Windows installation DVD or USB key.
- Boot the PC to the DVD or USB key in UEFI mode. For more info, see Boot to UEFI Mode or Legacy BIOS mode.
- From inside Windows Setup, press Shift+F10 to open a command prompt window.
- Open the diskpart tool:
diskpart
- Identify the drive to reformat:
list disk
- Select the drive, and reformat it:
select disk <disk number> clean convert gpt exit
- Close the command prompt window.
- Continue the Windows Setup installation.When choosing an installation type, select Custom. The drive will appear as a single area of unallocated space.Select the unallocated space and click Next. Windows begins the installation.
Source:https://technet.microsoft.com/en-us/library/dn336946.aspx
To Convert Dynamic Disk to Basic
Disk using "Delete Volume" Command
WARNING: Be sure to
read the red WARNING box above. You will lose all data on the dynamic disk
using this option.
1.
Open an elevated command prompt,
and go to step 3 below.
OR
2. Open a command prompt at boot, and go to step 3 below.
OR
2. Open a command prompt at boot, and go to step 3 below.
3.
In the command prompt, type diskpart and press enter. (See screenshot
above)
4. Type list disk and press enter.
NOTE: Make note of the disk number (ex: Disk 1) that you want to convert to a basic disk.
5. Type select disk # and press enter.
NOTE: Substitute # with the actual disk number that you want to convert to a dynamic disk. For example, select disk 1.
6. Type detail disk and press enter.
NOTE: This will give you a list of all the volume numbers on the selected disk number that you will need to delete in steps 7 and 8 below.
4. Type list disk and press enter.
NOTE: Make note of the disk number (ex: Disk 1) that you want to convert to a basic disk.
5. Type select disk # and press enter.
NOTE: Substitute # with the actual disk number that you want to convert to a dynamic disk. For example, select disk 1.
6. Type detail disk and press enter.
NOTE: This will give you a list of all the volume numbers on the selected disk number that you will need to delete in steps 7 and 8 below.
A) If you do not have any volumes
listed, then you can go to step 10.
7.
Type select volume # and press enter.
NOTE: Substitute # with a volume number listed in step 6. For example, select volume 3.
8. Type delete volume and press enter.
9. Repeat steps 7 an 8 for each volume # listed in step 6 until you have deleted all volume #'s.
10. When done, type select disk # and press enter.
NOTE: You would use the same one from step 5 above. For example, select disk 1.
11. Type convert basic and press enter.
12. When done, type exit and press enter.
13. Close the command prompt.
14. You can now create partitions on the now basic disk if you like.
NOTE: Restart the computer if you did step 2 instead.
NOTE: Substitute # with a volume number listed in step 6. For example, select volume 3.
8. Type delete volume and press enter.
9. Repeat steps 7 an 8 for each volume # listed in step 6 until you have deleted all volume #'s.
10. When done, type select disk # and press enter.
NOTE: You would use the same one from step 5 above. For example, select disk 1.
11. Type convert basic and press enter.
12. When done, type exit and press enter.
13. Close the command prompt.
14. You can now create partitions on the now basic disk if you like.
NOTE: Restart the computer if you did step 2 instead.
Source :http://www.sevenforums.com/tutorials/26829-convert-dynamic-disk-basic-disk.html
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