How to convert a disk from GPT format to MBR

        Randomly pre-installed Win8 computer, the disk is in GPT format, if you need to install an earlier version of Win7 and other systems, you need to convert to MBR format, use the Diskpart command to complete the conversion. Steps: Note: Converting the disk format requires clearing all partitions and data on the disk. Before operation, save all important data on the disk. 1. Use Win7 CD or U disk to boot, enter the system installation interface. 2. Press Shift + F10 to open a command prompt. 3. Enter "Diskpart" (do not enter the quotes, the same below), and press Enter to enter the operation interface 4. Enter: "list disk" to view the disk information. Pay attention to the disk capacity to choose. In the figure, Disk 0 of 465G is a hard disk, and Disk 1 of 3852M is a USB disk for Win7 installation. 5. Enter: "select disk 0", select disk 0 for the currently operating disk 6. Enter: "Clean" to clear the current disk partition. 7. Enter: "convert mbr" to convert to MBR partition. 8. After the operation is completed, close the command prompt window and continue to install the Win7 system in the normal way. Extended knowledge: Other uses of the convert command: convert basic - converts a disk from dynamic to basic. Convert dynamic - Converts a disk from basic to dynamic. Convert gpt - Converts a disk from MBR to GPT. Convert mbr - Converts a disk from GPT to MBR.