Questions tagged [disk-utility]
Apple's built-in disk management utility for the mac. Erases, formats, and restores volumes and drives.
2,056
questions
3
votes
1answer
32 views
Internet Recovery doesn't see disk, but able to boot normally
I have a MacBook Pro (mid-2015) that I want to completely wipe.
2+ years ago, I installed my own 1TB SSD. Everything works completely fine, and always has; I can boot into the OS, it runs fast, plenty ...
1
vote
0answers
26 views
Bootcamp Assistant giving errors and so is Disk Utility. Mac isn't allowing me to install Windows like I have before!
I have scoured the internet for a solution to finally be able to use Bootcamp but nothing at all has worked.
I previously used BCA to install Windows 10 on my computer but after about a year or so, my ...
0
votes
0answers
36 views
After converting SSD to APFS MacBook 2016 doesn't boot anymore
Good morning,
My MacBook 2016 with TouchBar doesn't boot anymore when going from its original Sierra to newer operating systems, e.g. High Sierra or Big Sur. One morning the computer just refused to ...
0
votes
1answer
29 views
Reviving unmountable & unformattable usb drive
I have a USB drive, which was a bootable Windows drive, which I seldom used. Recently I tried to format it, and it went corrupted (I hope). I'd like to find out if it's broken or not.
I'd tried to ...
1
vote
0answers
42 views
Erased Macintosh HD - Data. Now can't login
This all started because I was trying to clean install a Macbook Pro that someone sold me.
They gave me the password to log into the computer under their profile so I could clean install it.
I started ...
0
votes
0answers
27 views
Resizing “VM” APFS volume on osx
I'm trying to free up space but 150gb is taken by "other volumes".
diskutil list shows that "VM" volume is taking 150gb.
How can I resize it to be smaller?
$ diskutil list
/dev/...
0
votes
0answers
14 views
Cannot boot into macOS
A while ago, I installed Ubuntu along with the macOS on my MacBook. Yesterday, I decided I should uninstall Ubuntu. I read a post on how to uninstall Ubuntu. What I did was, in Disk Utility on macOS I ...
1
vote
2answers
37 views
Why doesn't my sparsebundle report free space, with plenty to spare?
I have a Time Machine created sparsebundle (HFS+) that reports the following limits when using hdiutil resize -limits:
min cur max
403186088 403186088 34359738368
That's a current size ...
0
votes
0answers
26 views
How can you verify when a drive was last formatted?
I'm trying to determine the date a drive on a MacBook was last formatted. I used to be able check the inode birth time of the root volume, but it appears a recent MacOS update may have changed this ...
0
votes
0answers
36 views
Trouble accessing old Apple_HFS DVD
I'm trying to read an old DVD that was burned in 1998.
I've tried mounting it through apple's own Disk utility app but it has shown (com.apple.DiskManagement.disenter errore 49153).
Diskutil list says ...
1
vote
1answer
38 views
macOS Utilities doesn't recognize internal ssd (but normal usage is working fine)
I own an early-2015 Macbook Pro and by trying to format it for reselling purposes I've got faced with a curious and annoying problem. macOS utilities does not recognize my internal ssd. Be it by ...
0
votes
1answer
29 views
Problem with disk repair
I have HDD connected to my Mac which is formatted with HFS and I use for backups.
I have noticed a problem while running fdisk and fsck_hfs:
sudo fsck_hfs -rd /dev/disk1s1
Password:
journal_replay(/...
0
votes
0answers
10 views
Internal SATA drive unmounts by itself
I have a 1TB SSD that was my boot drive in my now-dead MacBook Pro, and I need to recover some files from it and clone it. The idea is to have an exact copy on another HDD that I can clone back to ...
2
votes
1answer
44 views
Cannot boot macOS after installing Ubuntu on dual-boot Boot Camp Windows
While installing Ubuntu on my MacBook Pro 2015, which already has Windows and macOS installed, I made a huge mistake by selecting the "install alongside Windows" option. As a result, I can ...
0
votes
0answers
16 views
Macbook pro 2017 Internal SSD not recognized
I wanted to upgrade my internal SSD from my Macbook Pro 2017 256GB to a 1TB SSD I found online. I bought it from Aliexpress and seemed genuine.
The fact is that my computer does not recognize it IN ...
0
votes
0answers
12 views
Catalina - Grant FDA (Full Disk Access) without GUI session
I am using aws ec2 mac instances so I don't have access to GUI
Is there a way to grant a binary FDA using command line only?
0
votes
1answer
43 views
How to properly unmount image (dmg / sparsebundle)
[macOS Mojave 10.14.6]
I've recently discovered r/w disk images and the particularly fascinating sparse bundle.
As I understand it, an image (the .dmg or .sparsebundle itself) is "attached" ...
0
votes
1answer
26 views
Drive boots but isn't “located”
The APFS drive I'm writing this text from cannot be located by macOS High Sierra. Everything that needs it misses whatever link is necessary to get to it. I can boot, I can use it, I cannot "find&...
0
votes
1answer
29 views
Cannot recover space after deleting Windows partition in bootcamp
First I used Disk Utility to create a 100GB partition for sharing data between OSes, I then used Bootcamp Assistant to create a Windows partition to install Windows.
Later, when I removed the Windows ...
0
votes
1answer
52 views
Missing 300GB harddisk, how to recover it?
I had a bootcamp partion which I removed, how can I recover the 300 GB disk space it used?
diskutil list
/dev/disk0 (internal, physical):
#: TYPE NAME SIZE ...
0
votes
0answers
26 views
Under a standard user account, after Big Sur update, why does Disk Utility continuously ask for admin authentication?
I'm running MacOS Big Sur (11.2.1) on a MacBook Air 2014. I exclusively use the MacBook under a standard user account, though I also possess the admin credentials.
Since a recent update (I want to ...
1
vote
1answer
46 views
I have an external 1TB Seagate Harddrive but it shows that only 268MB is available. Why?
I tried to erase it with Disk Utility but unsuccessful. It still shows that only 268MB is available, while another utility program (balenaEtcher) used for writing image files, shows 1TB free space. ...
1
vote
0answers
60 views
Fixing damaged partition map. Couldn’t modify partition map. (-69874)
I am trying to fix my external hard disk but when I use first aid from disk utility, it throws an error:
My Mac was able to read this hard disk till yesterday before I tried to force mount it using ...
0
votes
1answer
41 views
USB drive (Fat32) stuck on read-only. Unable to erase or partition
I bought a SanDisk USB drive about a month ago. It's currently formatted as MS-DOS (Fat32), and it's stuck on read-only and I'm not sure how to fix it. (and there is no physical switch on the usb) In ...
0
votes
1answer
105 views
How To Change Time Machine Password - Mac OS Extended (Journaled, Encrypted)
How may a Solid-state drive (SSD) Time Machine backup password be changed for a SSD formatted as "Mac OS Extended (Journaled, Encrypted)"?
Expected
This is how a Time Machine backup password ...
0
votes
1answer
43 views
Which encryption algorithm do external hard drives use?
if external data carriers are encrypted via the Finder, which encryption do you use?
2
votes
1answer
129 views
I erased Macintosh HD in disk utility, now I can't reinstall macOS Big Sur
So I wanted to reset my 2019 Macbook Pro, so I used CMD + R and went to disk utility and erased Macintosh HD... I then went to reinstall MacOS Big Sur and I got about halfway through the ...
1
vote
1answer
16 views
Error: -69519 when resizing partition of apfs container scheme
I am trying to resize the partition disk0s2 in my Mac. My diskutil list shows:
/dev/disk0 (internal, physical):
#: TYPE NAME SIZE IDENTIFIER
0: ...
0
votes
0answers
21 views
Missing Macintosh drive after running recovery mode
I’m hoping someone can help me. I’ve had to run a recovery mode on my Mac air and when I tried to reinstall the OSX it cannot find the Macintosh HD. I’ve tried to repair the disk0s2 with no success. ...
1
vote
0answers
28 views
Delete files from SD
I was using an SD card with GoPro. On device format didn't work one day, so I tried erasing it in Disk Utils on my Mac (Big Sur 11.2.2). It appears to be blank, but when I re-mount it again - all ...
1
vote
0answers
21 views
How do I reset the snapshots of an APFS external drive?
In the past couple weeks, my time machine is complaining that it's not managed to complete a backup. It turns out it aren't able to create a snapshot in one of my external drives. Error message is ...
1
vote
1answer
26 views
Catalina partition turns into type FFFFFFF/unbootable and unmountable “disk0s2” after Mavericks install
I'm having a similar issue with this (MacOS partition formatted FFFFFFF etc after bootcamp install), but I got confused while reading the comments.
I thought it would be a great idea to dualboot ...
0
votes
1answer
37 views
Disk Utility changing partition types on its own
Whenever I do an operation in Disk Utility the last day it seems that I end up with my APFS partitions set to an unknown partition type (FFFF...)
This has happened three times now both after extending ...
1
vote
1answer
44 views
burning a multi-session cd into iso
I have a multi-session (osx/windows) cd that I'd like to create an iso from. Is there a way to create a single iso file with all the sessions included in it?
Output from diskutil list disk2 is below. ...
0
votes
0answers
24 views
bootcamp partition issues
I'm using a MacBookPro11,3 with MacOS Big Sur 11.2.1
I get an error message while trying to partition with bootcamp. It suggested me to run first aid but no problems were found.
”Your disk could not ...
-3
votes
1answer
54 views
Can Big Sur disable external drives?
Been having several seemingly unrelated problems with a new (2019) MacBook Pro (MBP). All of them seem more like software than hardware (as a retired software engineer with ten years as an ...
0
votes
1answer
28 views
Problems Reformatting SSD on mid 2015 Retina 15" MBP
When I purchased the subject laptop last year I replaced the original Apple SSD with a non-Apple 2 TB SSD. For years I have always kept OS and data on separate drives or at least separate partitions. ...
0
votes
0answers
27 views
Seagate External Drive Won't Mount
I am very much a newbie here, but saw something on StackExchange that someone here might be able to help me with. I have a Seagate 2TB portable that I use as a backup drive for my 2017 Macbook. It was ...
0
votes
0answers
24 views
Restore a NTFS volume back up by Disk Utility
I have a Windows installation which I created with Bootcamp. Then I need to expand the volume to add more Software. So I use Disk Utility to create a DMG image for the Bootcamp volume. But after I ...
0
votes
0answers
24 views
How to open an external hard drive when its detected by Disk Utility but not in Finder?
I have a microSD card that is working on my dashcam. But not mac. (latest Big Sur)
It's seeable in the Disk Utility but not in Finder.
What should I do?
Update:
aab-MacBook-Pro-2:~ myname$ diskutil ...
0
votes
0answers
12 views
How to check or repair file system on network volume?
I've an application (Arq7 from arqbackup.com) reporting some file system errors…
19-Feb-2021 22:04:43 EST Error: /Volumes/Europa/Photography/µ being deleted/2011 _General.photoslibrary/resources/...
0
votes
0answers
8 views
Help! Missing Components on a Basic MacOS Lion Reinstallation! Missing StartUp Disk!
I am trying to salvage an old, discarded white macbook 2010 running OS Lion. I went through the usual steps to restart in recovery mode, open disk utility, erase the old files, etc., then quit disk ...
0
votes
2answers
41 views
How to remove a Volume using Terminal?
A few weeks ago I mounted an external hard drive with a volume named "CJ 1TB"
I ejected it and thought everything was fine, but my system (11.2.1) has not forgotten about it.
When I run &...
0
votes
1answer
40 views
Renamed external drive still appearing in terminal with both old and new names
I have an external drive connected to my MacBook Air via USB 3.1 Gen 2 through a TB3 hub.
A few weeks ago I changed name of the drive from Mercury 1TB to just Mercury. This was done in the Finder.
I ...
2
votes
1answer
143 views
Two different Containers after factory reset? Macintosh HD & Macintosh HD Data?
I wanted to start from scratch so I followed the guide that Apple has on their site. After rebooting and logging back in I saw that I have two different containers. Macintosh HD and Macintosh HD Data. ...
2
votes
1answer
33 views
GUID_partition_scheme not fully used after SSD clone
I cloned a 750Gb HDD to a 1Tb SSD.
I can only access 750Gb on the SSD so 250Gb are wasted.
How can I include (assimlate?) the remaining 250Gb so they're not wasted, or create an accessible partition (...
1
vote
1answer
35 views
Reinstalling Mac OSX Lion on Locked Disk
I have a 2011 vintage MacBook Pro which is not booting at all. It gets to the gray screen with Apple logo and does not move ahead from there. I pressed Command-R at bootup to enter the disk utility ...
1
vote
1answer
69 views
Kali Linux bootable USB not showing up in boot menu
I am using a 2018 MBA running Big Sur
I wanted to create a persistent bootable USB with Kali Linux and have followed the exact instructions as given in this article: https://medium.com/macoclock/...
2
votes
4answers
203 views
Safe to delete old “Macintosh HD - Data” partition?
I did a clean install of MacOs today, and when choosing where to install it chose "Macintosh HD". It now seems there is a new "Macintosh HD - Data" partition, where MacOS currently ...
1
vote
0answers
27 views
NTFS-3G auto-mount arguments and disk utility
I setup NTFS-3G on MacOS Big Sur 11.2 and replaced the default ntfs_mount with NTFS-3G. However, I noticed a problem. Every time I plug in a NTFS I don't see any files show up in finder (but they do ...
