To format an external storage device, connect it to one of the ports on your Mac. Turn the drive on, and make sure it appears in the Finder. If the drive is internal, it should already show up in. Sep 20, 2019 If you’ve got a mechanical hard drive, and you intend to use it only with Macs, it’s probably best to stick with Mac OS Extended. And any drive that needs to work with older Macs, running El Capitan or earlier, should absolutely be formatted with Mac OS Extended, because APFS is not compatible with those computers.
I have a Lacie external USB hard drive that is giving me trouble. I want to initialize the drive, but Disk Utility starts the process but it takes ages and nothing happens. Each time I plug the drive to the iMac, it tells me it can't read the drive, and if I want to initialize, eject or ignore. The drive does not mount. Mar 12, 2015 In either case it is extremely important when using Disk Management to make sure that you are working with the correct hard drive.The last thing you want is to accidentally delete important data! There will be two options to initialize the drive: Master Boot Record (MBR) or GUID Partition Table (GPT).MBR is the older legacy method of initializing drives, and is only necessary if you need to.
Erasing your disk: Best mac software for dj mixing. For most reasons to erase, including when reformatting a disk or selling, giving away, or trading in your Mac, you should erase your entire disk.
Erasing a volume on your disk: In other cases, such as when your disk contains multiple volumes (or partitions) and you don't want to erase them all, you can erase specific volumes on the disk.
Erasing a disk or volume permanently deletes all of its files. Before continuing, make sure that you have a backup of any files that you want to keep.
How to erase your diskInitialize External Hard Drive Mac Os X Download
How to erase a volume on your disk
Reasons to erase
You can erase at any time, including in circumstances such as these:
About APFS and Mac OS Extended
Disk Utility in macOS High Sierra or later can erase using either the newer APFS (Apple File System) format or the older Mac OS Extended format, and it automatically chooses a compatible format for you.
How to choose between APFS and Mac OS Extended
Disk Utility tries to detect the type of storage and show the appropriate format in the Format menu. If it can't, it chooses Mac OS Extended, which works with all versions of macOS. If you want to change the format, answer these questions: https://greatproductions551.weebly.com/mac-os-clean-install-into-new-hard-drive.html.
How to identify the format currently in useCan't Initialize External Hard Drive
If you want to know which format is currently in use, use any of these methods:
Initialize External Hard Drive Mac Os X 10If your disk or volume doesn't appear, or the erase fails
Initialize External Hard Drive On MacLearn moreInitialize External Hard Drive Mac Os X 4
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