

With this method YOU WILL LOSE ALL DATA ON THE DRIVE - SO BACKUP FIRST I. If you are installing Windows, continue with the Windows Setup process. In this video I'll show you how to convert your hard drive (or SSD) from a MBR partition, to the more modern GPT. To select the drive and reformat it, type select disk # (substitute # with the actual disk number e.g.To identify the disk drive to reformat, type list disk and press Enter key.In the Command Prompt window, type diskpart and press Enter key.From the Windows Setup screen, press Shift + F10 key to open a Command Prompt window.Select the Windows installation DVD or USB in the menu and press Enter key.Power on the PC and tap F12 key until One-Time Boot Menu appears.

Power off the PC, and insert/connect the Windows installation DVD or USB key.Please ensure all important files have been saved to a different hard drive or storage device before following the instructions below.Ĭonverting to GPT format using Command Prompt in Windows Setup Caution: Converting a disk drive from MBR to GPT or vice-versa will erase all data from the drive.
