Dont see Macintosh HD Click the Erase button in the toolbar, then enter the requested details: Name: Macintosh HD Format: APFS or Mac OS Extended (Journaled), as recommended by Disk Utility Click Erase. Newer Macs have a recovery partition instead of a separate external recovery disc, and if you’ve ever booted a newer Mac, iMac, MacBook Air, or MacBook Pro from an SSD partition in the Recovery partition to format the drive, you may have noticed that the Security Settings button is grayed out settings, which ostensibly precludes the. Select Macintosh HD in the sidebar of Disk Utility. Input new partition name, and use '+' and '-' button on the left to determine the size of the partition. From the utilities window, select Disk Utility and click Continue. In Disk Utility, select the SSD(not the partition under), then select Partition button on top of Disk Utility.Ħ. You can also create multiple partitions in one SSD. After you click Erase, the erase will start and the partition you created will appear under the drive on left side of Disk Utility.ĥ. Please choose GUID Partition Map as Scheme. Otherwise you can choose either OS X Extended or ExFAT as format. Input your desired name of the partition, if you plan to install Mac OS onto the partition,choose OS X Extended(Journaled) as format. Select the SSD and then select Erase button on top of disk utilityĤ.
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Disk Utility will pop up, if not, open Disk Utility and you shall see the SSD listed under Externalģ. Connect your SanDisk® SSD to your Apple Mac system via USB adaptor, the Mac OS will pop up a message: 'The disk you inserted was not readable by this computer', please select InitializeĢ. Procedure may be different with other OS versions.ġ. Either head to Applications > Utilities, or tap Command + Space and start typing Disk Utility.
#Format ssd disk utility mac air how to
This guide uses Mac OS X El Capitan Version 10.11.5. Heres how to format a drive if you are planning to use it with a Mac.