How to Convert MBR to GPT Disk without any Software

Comparison

Limitations of MBR

• MBR disks support up to 2TB
• Supports only four primary partitions

Advantages of GPT disk

• GPT disks support larger than 2TB
• GPT disks allow an almost unlimited number of partitions(Windows: 128), as well as unlimited primary partitions
• Every partition on GPT disk can has a name which is different from partition label.

Convert MBR to GPT with "diskpart.exe"

1

Click "Start", and input "diskpart" in the searching box.

2

Input "list disk", and then select the disk you want to convert by typing "select disk x".

3

Input "list partition", and then select the existing partitions and delete all of them by typing "delete partition x" command.

4

Input "convert gpt".