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Questions tagged [disk-utility]

Apple's built-in disk management utility for the mac. Erases, formats, and restores volumes and drives.

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In APFS move the Preboot, Recovery and VM volumes to make room to expand the Macintosh HD volume?

Looking at this listing you can see that my Container is 499.2GBs but the Volumes inside it only add up to ~240GB. That is because I sector-copied the disk to a larger disk then installed the larger ...
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How do I remove/delete a (possibly corrupt) partition from macOS High Sierra?

I have a partition (disk0s2) I can't seem to get rid of. The size is very tiny around ~3KB. Disk Utility is unable to remove/erase or repair this partition. Also, the '-' button seems to be disabled. ...
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63 views

The disk Macintosh HD can't be unlocked

I am getting "the disk Macintosh HD can't be unlocked" popup error after reinstalling Catalina. I checked Disk Utility, there are 3 partitions named, "Macintosh HD", "Macintosh HD - Data", "Macintosh ...
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How can I remove mounted volumes from the list that are no longer attached?

I have a problem and I suspect that it might be a symptom of a hardware issue though I am hoping I'm wrong. If I connect an external drive or mount a disk image it shows up in finder and I can see ...
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Is it safe to erase disk1s1 APFS Volume?

Bought a 2nd hand 2016 MacBook Pro with Catalina installed. Went back to Mojave (because some SW does still not work properly in Catalina). Now is see disk1s1 as empty APFS volume and disk1s5 as the ...
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How to delete APFS Volume

I am trying to delete a volume and have one whole disk left, without volumes or partitions. I played around with partitioning and deleting multiple times and now it seems, I can't do anything. This ...
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Disk is almost full after restoring to factory defaults

After restoring my Macbook pro 2016 (MacOS Catalina 10.15.2) to factory setting, it told me that my disk is almost full, but that is highly unlikely, as I have just restored it ! Here is diskutil ...
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Mac Hangs on boot, Macintosh HD partition intermittent failures

I have the following problem: My 2016 MacBook Pro (El Capitan) hangs on boot. The progress bar loads to near completion, after that it stops. The laptop heats up and eventually shuts down. What I ...
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Recovering a partition not shown in Disk Utility

My MacBook Pro 2012 has 500 GB of HDD out of which 250 GB were used to install Windows 10. Today, I tried deleting the Windows 10 partition using Boot Camp. In the middle of the deleting process my ...
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56 views

How can I reset SSD on MacBook Air

I changed the motherboard of a MacBook Air A1465 11" mid 2013 because the previous one had a problem with the RAM. I boot the device in recovery mode in order to install the OS but the SSD is not ...
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APFS, two data volumes on a single OS partition for dual booting

I'd like to be able to switch between two Data volumes on the same macOS installed partition. My thinking is that I could have one data volume for home and one for work. This would, essentially, ...
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fsck_hfs invalid key length

The HDD is a brand new MyPassport WD 4Tb. I recently used it as my main backup and before I had the time to reformat another drive for a second backup (which means that some data on that drive are ...
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73 views

SSD not recognised by MacBook Air

I changed the motherboard of a MacBook Air A1465 because the previous one was faulty and the Mac didn't even start. Now the machine starts but when I try to install, neither the macOS installer app ...
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Cannot format SD Card [duplicate]

I'm having trouble formatting this SD card. The write protect switch is off, of course. I tried using the built-in card reader on my MacBook Air and then a USB one. It won't even format on my Windows ...
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How to repair encrypted disk image which suddenly stopped recognizing password

I was in the middle of remotely backing up to a mounted encrypted sparse bundle (using rsync) when the machine was rebooted. Since it was an orderly shutdown, presumably the image should have been ...
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iMac 27“ Mid 2011 - Can‘t reinstall macOS

I‘m trying to reinstall macOS Sierra on my Mid 2011 iMac. I have a single 1 TB HDD and single partition called „OS X Base System“ that takes up 999.35 GB‘s. When I try to partition the Base Volume I ...
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Repair Disk Permissions in Terminal seems to hang

OK, I tried following (OS X Yosemite) the instructions here https://support.apple.com/en-us/HT203538 And I went into Terminal and typed in the following diskutil resetUserPermissions / id -u But ...
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Deleting files and empty trash does not increase free space

I have a MacBook Air running macOS Catalina 10.15, upgraded from an older version. There's only a few 10s of megabytes free on the disk, but deleting files and emptying the trash doesn't change the ...
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Uninitialised disk after erasing one partition on HDD

I have a 1 TB HDD and I had three partitions on it. Two partitions had data on them and one was empty. However, when I was trying to move some files to the empty partition, it gave the error "file ...
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Disk Utility Reports Invalid Key Order on APFS Volume (macOS Catalina)

On the latest version of macOS Catalina as of this writing (10.15.2), Disk Utility is reporting that I have invalid key order on my snapshots: Running First Aid on “iMac HD - Data” (disk2s1) ...
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Cannot use diskutil verifyVolume, trying to boot back into macOS after deleting Ubuntu partition

After deleting my Ubuntu partition and restarting my computer, I am unable to boot into macOS. I've followed the steps outlined here: macOS partition startup Volume type FFFFFFFF-FFFF-FFFF-FFFF-...
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Restoring Mac HD to a Single Volume

I had originally done a Bootcamp install in the past but had to uninstall it for unspecified reasons, which I mistakenly did so using the Disk Utility in Recovery Mode. However, I'm now stuck with an ...
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Bootcamp Partition Help - Container Disk issues? - Trying to get SSD to original state :)

I mistakenly erased my Bootcamp drive through Disk Utility, and now my partitions and SSD are partitioned incorrectly. Trying to get my SSD back to its original state - no partitions. data loss is not ...
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Encrypting a USB for use on Mac *and* Windows

I have an external USB drive and I would like to encrypt it – preferably on Mac, however Windows is an option. The USB should be ready to use for both Windows and Mac without the use of third-party ...
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How to read data from an unreadable drive formatted by a GoPro?

I formatted a 128 GB micro SD card from the factory in a National Geographic Explorer 4 4K 30 fps (a camera like a GoPro). It recorded video and I can play it back. On macOS Mojave 10.14.6, I get the ...
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How to rename volumes from Terminal without name limitations?

When a FAT volume is mounted I can click on it and rename it freely. However via terminal it is very restrictive. % /usr/sbin/diskutil rename "Nice Name" "Nicer Name" Nicer Name does not appear ...
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Resizing APFS container and partition

I was tring to increaze the size of the Windows 10 Boot Camp partition with Disk Utility but I made a mess. I decreased the Mac partition with Disk Utility which created a new partition. After that ...
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Trying to mount/fix/recover apfs volume(s) with corrupted size

I bought an external disk, and installed macOS on it on March 2019. My user home directory which I backed up from my old Mac is also in that. Since September, I cannot mount this disk on MacBook Pro. ...
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Bootcamp “Missing Operating System” on external drive

I've been using an external disk drive to use boot camp on my MacBook Pro (13-inch, Mid 2012). It's 1TB, so recently I added a partition to store extra files on it (350GB for boot camp, 650GB for ...
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External volume (WB elements 2TB) does not mount on mac (exFat)

I have an WD Elements 2TB external harddrive which is unable to mount on my Mac. It is formatted exFat and is half full. When I go into disk utility it is greyed out. Clicking the mount button ...
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How to fix prohibitory symbol on startup?

I have a Macbook Pro Mid 2012 with an SSD installed. The laptop was running a version of OS X 10.13 (High Sierra). The computer froze while I was working on it and I was forced to do a hard reset ...
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2TB Seagate Expansion Portable Hard Drive not appearing in Disk Utility

I know this has been asked before but I wanted some help ASAP so recently my Seagate 2TB External Hard Drive was working fine, then all of a sudden it stopped working while I was copying some JPEGs to ...
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Other Volumes issue after a crash/reinstall… Is there any way to recover the data in the Other Volumes?

I had my mac crash last month, and I did a reinstall... But I guess I didn't delete the old volumes first. Now I have most of my internal drive is "Other Volumes". 1) Is there any way to access that ...
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Plugged in hard drive externally and it doesn't show up in Disk Utility but is visible on another computer

My hard drive recently died and I had it replaced on my mid-2010 Macbook Pro (15). The hard drive, when plugged in with a SATA/USB connector does seem to power the 2.5 HDD (the light on the cable is ...
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146 views

Bootcamp says Disk Could Not Be Partitioned on Catalina Version 10.15.2

I have macbook air 2015 on Catalina Version 10.15.2 . So previously I had ran into this issue MacBook filesystem FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFFF after deleting linux partition and thank god I ...
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79 views

How to claim free disk space in APFS after deletion of huge amount of files? [duplicate]

Given: Macbook pro 13 Inch with MacOS 10.15.1 (Catalina), 500 GB SSD built in. Hard drive had 34 GB of free disk space according to diskutil and df -h. Wanted: Reclaim free disk space. What I did: ...
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MacBook Pro 2017 has problems when live booting from usb into parrot linux distro

I used Balena Etcher software to flash my usb with the image / iso of parrot linux distro the security edition. the live booting went fine but when it was all booted up I could not move mouse or do ...
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135 views

Partition Map Check failed because no slices were found - External Drive

I have a WD My Passport external drive which is giving me the runaround. Yesterday I unplugged it from a Windows PC I was using without 'safely removing' because there was no icon in the system tray ...
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How can the internal SSD be cloned onto an external 1 TB SSD (for swapping)?

I want to clone my internal 500 GB SSD onto a new 1 TB SSD which is going to replace the internal 500 GB SSD in my MBP. Currently the 500 GB SD is partitioned like the following: /dev/disk0 (...
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How to create a disk image from an APFS volume?

I have an APFS encrypted 1TB SSD that I pulled from my now-dead MacBook Pro. I placed the drive into a USB dock and can mount it fine after entering the disk password. I cannot, however, take an ...
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How to move my files to iCloud drive without using my local disk space?

I have a Mac running Mojave and got into a situation where I don't know how to solve: My 512Gb SSD disk is divided into 2 partitions (200Gb and 300Gb each): The first partition is where the OS ...
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Double Erased my 64GB flash drive, but failed both. How to fully erase it again and make it work?

TL;DR I formatted an USB drive on my AndroidTV which failed, and am now trying to fix it from my Mac. Right now I can see the drive in diskutil list but it neither shows up in Finder nor in Disk Util. ...
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Using a script to set the firmware password manually

First off, I am using macOS Mojave 10.14.6. In this answer, it shows how one could manually set a firmware password in previous versions of OS X without any user input, excluding sudo, which is ...
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DiskUtil seems to have accidentally erased my external SSD while trying to add a partition. Help?

I'm running macOS Sierra and I have a 1TB external SSD that I've been using, which just had one big macOS file system partition. I wanted to add a second 80 GB partition to the drive so that I could ...
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What is the difference between FileVault 2 and Disk Utility Encryption?

What is the difference between FileVault 2 and Disk Utility Encryption? Also, what is the better/safer option encrypt disk when reformatting then install mac OS or install mac OS without encryption ...
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Part of Apple SSD not accessible after failed bootcamp attempt

A couple of months back I tried installing windows through bootcamp on my system. For reasons I couldn't understand back then (and can't remember now), it failed. And as a result the total accessible ...
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secureErase not working for 2nd drive

I'm trying to delete Purgeable Data on second drive. For 1st drive "Mac" I ran: diskutil secureErase freespace 0 /dev/disk1s1 And it worked But for 2nd one "Data" : diskutil secureErase freespace ...
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Disk wont show up for Mac OS install

I received a Mac from a friend. When I tried booting, the Mac displayed a blinking folder with a question mark. So, I restarted the Mac with the option key pressed which booted to internet recovery. ...
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Diskutil how to merge unaccessible partition

I have my main partition, disk0s2, which needs to be enlarged because I am out of memory. My SSD is of 480 GB capacity and is split in many partitions. The ones that I try to merge to the main one (...
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MacBook Pro internal hard drive failure: Missing EFI partition

2 days ago as I opened my laptop (mid 2012 MacBook Pro running Catalina), it booted in recovery mode. Disk utility was showing me my internal hard drive and its partitions : disk0s1 and BOOTCAMP. ...