


How to Work and Travel: Get Ready to Grab Your Passport. Click the File menu and select Load File System From Device. Grab your copy of my new book, How Are You, Really everywhere books are sold +. Select a Partition layout, then Options… & set to GUID Partition Table. To use HFSExplorer, connect your Mac-formatted drive to your Windows PC and launch HFSExplorer. Bottom right it will tell you the partitions scheme. You can only change from MBR to GUID by completely erasing the drive & starting over… You would need to go to Disk Utility & check the drive is formatted as not only Mac OS X Extended, but that the underlying structure is GUID Source: Macworld - Time Machine tips and troubleshootingĪpple's KB doesn't seem to quite be so explicit - OS X Yosemite: Disks you can use with Time Machine So if you have, say, a 750GB or 1TB drive, you must repartition it to use the GPT or APM scheme before it can work with Time Machine. Choose the Western Digital hard drive icon in the Disk Utility sidebar > click the Erase tab. Although OS X supports MBR, there’s a catch: Mac OS Extended volumes can be no larger than 512GB on a drive partitioned with the MBR scheme. Drives originally set up for use on Windows usually use the Master Boot Record (MBR) scheme, as opposed to the Apple Partition Map (APM) scheme, the default for PowerPC-based Macs, or the GUID Partition Table (GPT) scheme, the default for Intel Macs. The partition map scheme describes how the drive stores its volumes. This article is quite old, but I think is probably the reason…
