The command also gives the current focus to the specified disk. Selects the specified disk, where disk-number is the disk number that you want to select. In the list of results, the disk marked with an asterisk (*) has the current focus for entered commands. The command also shows whether the disk is a basic or dynamic disk, and whether it uses the GPT or MBR partition format. Commandĭisplays a list of disks and information about them, such as their size and the amount of available free space. The following table shows a summary of the commands for the diskpart process. The diskpart process notifies you when the conversion completes. Make a note of the GPT disk number that you want to convert to MBR format.Īt the DISKPART prompt, enter select disk, where is the GPT disk number to convert.Īt the DISKPART prompt, enter clean to delete all partitions and volumes on the disk.Īt the DISKPART prompt, enter convert mbr to convert the GPT disk to the MBR partition format. If the GPT disk doesn't have any partitions or volumes, skip to the last step to apply the conversion.Īt the DISKPART prompt, enter list disk. Prepare the GPT disk for conversion by cleaning (deleting) any partitions or volumes. Open an elevated command prompt: select and hold (or right-click) Command Prompt, and select Run as Administrator.Īt the prompt, enter diskpart to initiate the disk partition process. To complete the disk conversion from the command line with the diskpart disk partition process, follow these steps. The process notifies you when the conversion completes. Select and hold (or right-click) the GPT disk to convert to the MBR format, and select Convert to MBR Disk. For each partition or volume, select and hold (or right-click) the item, and select Delete Partition or Delete Volume.

To complete the disk conversion by using Disk Management, follow these steps.īack up or move the data on the GPT disk prior to conversion.ĭelete all partitions and volumes on the GPT disk. You must be a member of the Backup Operators or Administrators group, at minimum, to convert a disk.Before you convert a disk, back up any data on the disk, and close any programs that access the disk.

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