GPT formatted Disk Legacy Boot Not Supported
Geeks - It sounds like you are trying to boot from a GPT formatted disk using legacy BIOS mode. Unfortunately, legacy BIOS mode does not support booting from GPT disks. In order to boot from a GPT disk, you will need to use UEFI mode. To switch to UEFI mode, you will need to enter your computer's BIOS settings and look for the option to enable UEFI mode.
