#Os x utilities restore mac os

However, for older Macs running previous versions of macOS, the format must be changed to Mac OS Extended (Journaled). This will be APFS in Catalina, Mojave, Big Sur, Monterey, and possibly High Sierra (depending on your Mac).

The next step is likewise dependent on the macOS version you’re using.

Remember that this will erase all of your data, so make sure you have backed up or stored your vital data in the cloud or on an external device.

#Os x utilities restore how to

This is how we go about doing it: How to erase your Mac and reformat it. You must first erase the Data volume, then the Macintosh HD volume. There will most likely be two volumes named Macintosh HD and Macintosh HD-Data if you’re running Catalina or later (or possibly Home and HomeData). You only need to erase the Macintosh HD volume if you aren’t using Catalina.

#Os x utilities restore mac os x

If you’re using Mac OS X Catalina or Big Sur, the procedure is slightly different. Before you can see the volume, you may need to go to View > Show All Drives.

Now choose which volume you want to erase.

Click Continue after selecting Disk Utility.

Click Disk Utility if you wish to wipe your disk (otherwise you can jump ahead to step 8). Whether you want to wipe the Mac before reinstalling the operating system determines your next step.

The Restore From Time Machine Backup, Reinstall macOS, Safari (or Get Help Online in prior versions) and Disk Utility options will appear in the macOS Utilities window.

Enter Recovery (on an Intel Mac, press Command+R on an M1 Mac, press and hold the power button as described above).

To reinstall the most recent version of macOS on your Mac, follow these steps: When starting up your M1 Mac, press and hold the power button until you see a startup settings window with an Options icon appear.

#Os x utilities restore pro

In OS X El Capitan, Disk Utility has a different user interface and lost the abilities to repair permissions due to obsolescence, create and manage disks formatted as RAID, burn discs, and multi-pass format internal solid-state drives and encrypted external drives.This is no longer the case for Macs that use Apple’s own CPUs, such as the M1 Macs, which were released in November 2020, and the M1 Pro and M1 Max Macs, which were released in October 2021.

Mac OS X Leopard added the ability to create, resize, and delete disk partitions without erasing them, a feature known as live partitioning. Further changes introduced in Mac OS X Tiger, specifically version 10.4.3, allowed Disk Utility to be used to verify the file structure of the current boot drive. The ability to 'zero' all data (multi-pass formatting) on a disk was not added until Mac OS X 10.2.3. Disk Copy was used for creating and mounting disk image files whereas Disk Utility was used for formatting, partitioning, verifying, and repairing file structures. Another application called Drive Setup was used for drive formatting and partitioning and the application Disk Copy was used for working with disk images.īefore Mac OS X Panther, the functionality of Disk Utility was spread across two applications: Disk Copy and Disk Utility.

#Os x utilities restore verification

In the classic Mac OS, similar functionality to the verification features of Disk Utility could be found in the Disk First Aid application. It is also possible to create and manage RAM disk images by using hdiutil and diskutil in terminal. status of a hard diskĭisk Utility functions may also be accessed from the macOS command line with the diskutil and hdiutil commands. Restoring volumes from Apple Software Restore (ASR) images.Adding or changing partition table between Apple Partition Map, GUID Partition Table, and master boot record (MBR).Secure deletion of free space or disk using a 'zero out' data, a 7-pass DOD 5220-22 M standard, or a 35-pass Gutmann algorithm.Erasing, formatting, partitioning, and cloning disks.Verifying a disk's integrity, and repairing it if the disk is damaged (this will work for both Mac compatible format partitions and for FAT32 partitions with Microsoft Windows installed).Mounting, unmounting and ejecting disk volumes (including both hard disks, removable media, and disk volume images).Creation, conversion, backup, compression, and encryption of logical volume images from a wide range of formats read by Disk Utility to.The functions currently supported by Disk Utility include: