What is a GUID Partition Table, or GPT? In this post, we will see what a GPT partition is and how it compares to MBR disks. We will also learn how to format, remove, or delete a GPT disk or ...

Fix Selected GPT formatted disk partition is not of type PARTITION_BASIC_DATA_GUID error message on Windows 11/10.

The GUID Partition Table (GPT) replaces the previous master boot record (MBR). GPT partitions can hold 18 exabytes compared to 2.2TB for the MBR.

You'll need a FireWire HD (with an OS) or optical drive to boot externally. Edit: also, GUID won't boot PowerPC btw, that requires Apple Partition Map (choose when partitioning).

Open disc utility and create partition Select: File > New Image > Blanck Image Adjust: Save As: app_name_draft Name: My App Size (*.app <= size) Format: Mac OS Extanded (Journaled) Partitions: Single ...

Just format the card to Mac OS Extended and give it a GUID partition map in Disk Utility, and you can install a copy of OS X to it for troubleshooting your main installation (or even as your ...