Create GPT Disk

NOTE: This will delete all partitions/volumes on the selected physical disk.

To change an MBR disk into a GPT disk using the command line:

1. Backup or move data on the basic MBR disk you want to convert to a GPT disk.Open an elevated Command Prompt
2. Type DISKPART then – you should now be at the DISKPART> prompt
3. At the DISKPART prompt, type LIST DISK followed by – note the disk number you want to convert
4. At the DISKPART prompt, type SELECT DISK
5. At the DISKPART prompt, type CLEAN
6. At the DISKPART prompt, type CONVERT GPT
7. When done, type EXIT to return to the normal command prompt, then type EXIT again to close the Command Prompt window

gpresult /scope computer /v  
Create GPT Disk