1. start first, run the input cmd, or press the start key +R on the keyboard, or bring up the command prompt.

2. Open the cmd command in the command window.

3. Then enter diskpart in the pop-up page.

4. Then enter list disk enter, enter the disk number of select disk, and exit is complete, and it is over.

Precautions:

The disk using GUID partition table is called GPT disk, which is a relatively new disk partition table structure standard from EFI standard. Compared with the commonly used Master Boot Record (MBR) partition scheme, GPT provides a more flexible disk partition mechanism.