external hard drive partition not showing up mac

You can also mount and unmount drives from the Mac command line and explore many other powerful options for the command line diskutil tool.

Thus, if you’re an advanced user and wish to see all of those partitions you’d need to use the command line to list all drives, mounted drives, and partitions as shown here. Earlier versions of Disk Utility in earlier Mac OS X releases were more full featured and displayed extended disk data immediately.ĭisk Utility on the Mac will still not show some other volumes and partitions even with his setting enabled, for example the Recovery partition and EFI partitions will not be displayed through Disk Utility on the Mac in modern versions (and there is no longer a known Disk Utility Debug menu for advanced users to access either). Note this is only applicable to the newest versions of Disk Utility for the latest versions of MacOS. You can also access the different disk and volume views from the Disk Utility “View” menu. For example if you have a drive with a hardware name like “SAMSUNG SSD 1TB” that contains two APFS volumes called “Macintosh HD” and “Backup” then you would see all of that drive information hierarchically in Disk Utility, rather than simply the two named APFS volumes. Open the Mac’s Launchpad and select Other > System Information. See the list of disk devices in the sidebar of Disk UtilityĪs mentioned a moment ago, this will allow you to see the parent drive containing whatever partitions or volumes that are accessed by the user. Next up, check if the external drive appears within your Mac’s System Information app.Open Disk Utility on the Mac if you have not done so already.Shrink the volume of an existing partition. Something You May Need: Clean up Mac > Recover Deleted Data > Backup iPhone > More Products. How to Show All Drive Devices in Disk Utility on Mac Select an ISO file or a distribution to download, select a target drive (USB Drive or Hard Disk), then reboot once done. When external hard drive not showing in disk management.

External hard drive partition not showing up mac