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Macs with Intel processors (read: since 2006) have required or at least strongly preferred GPT for internal/bootable hard drives. The PMBR basically lies and claims that the whole hard drive is allocated as one huge partition. Hard drives that use GPT often have a "Protective MBR" (PMBR) a fake MBR to try to keep old school MBR-centric formatting/partitioning software from thinking the hard drive is unformatted. GParted is for hard drives that are using the modern GUID Partition Table (GPT). Is there any way to detect what kind of partition it is?įdisk is for hard drives that are still using the old legacy Master Boot Record (MBR) partition table format. So, perhaps this isn't an HFS+ partition. Looking at the output of tail, I get: hfs: unable to find HFS+ superblock In some cases useful info is found in syslog - try Missing codepage or helper program, or other error I get the following error: mount: wrong fs type, bad option, bad superblock on /dev/sda1, Sudo mount -t hfsplus /dev/sda1 /media/Mac Unfortunately, when I try to mount it: sudo mkdir /media/Mac It's the 320Gb disk, so it should be on /dev/sda1 if I understand this stuff correctly. Sector size (logical/physical): 512 bytes / 512 bytes

WARNING: GPT (GUID Partition Table) detected on '/dev/sda'! The util fdisk doesn't support GPT. Unfortunately, I can't seem to mount it: sudo fdisk -l I pulled the hard drive from the macbook and plugged it into one of my SATA ports on my Ubuntu machine. I believe the motherboard on my macbook died, so I'm trying to recover the information on the disk.