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Questions tagged [partition]

Creating a new disk formatting scheme or altering an existing scheme

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External HDD No Longer Accessible (ExFAT formatted)

I have an external HDD Toshiba MQ01ABD100 1TB HDD in an external enclosure. Recently it suddenly no longer accessible. When plugged to a Mac, it will prompt "The disk you inserted was not readable by ...
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Cannot boot into macOS APFS after resizing Bootcamp using EaseUS

Trying to restore my Mac's APFS partition after it became unbootable from using EaseUS to resize Bootcamp. Trying to install Linux so wanted to resize the Bootcamp partition and now I can't boot into ...
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Suggestion for software to recover data after formatting [closed]

I have an external hard drive which had two primary partitions one ext4 and one fat32. I have recently bought a macbook and I emptied the fat32 partition of the external drive to use it as a Time ...
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2answers
47 views

Need Help Fixing Partitioning after Deleting Core Storage Booter and Windows

I know there is a plenty on the Internet, but I am afraid to touch it since the data on my partition is valuable for me now. My situation: I have MacBook Air with OS Yosemite 2011 11" (128G). I ...
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23 views

How to recover data after Bootcamp utility crash HFS+ Encrypted?

There is internal SSD: 1/4 - HFS+ - Secondary System Volume with macOS Sierra Audio HD 1/4 - HFS+ - Shared Volume between two systems Shared HD 1/2 - APFS - Main System Volume with macOS Mojave Mac ...
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1answer
52 views

How to install High Sierra on a second partition on a MacBook which already runs Mojave?

I am running macOS 10.14 Mojave on a MacBook Pro with a single APFS volume. For testing I would like to intall macOS 10.13 High Sierra on a second volume / partition to be able to switch between the ...
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24 views

MediaKit reports bad partition or no map found (-5324)

I am trying to recover an external drive (Western Digital, MyPassport, 4TB, WDBYFT0040BBK-0A) formatted in HFS+. /dev/disk0 (internal, physical): #: TYPE NAME ...
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1answer
29 views

how to covert macOS Extended Journaled to apfs?

My Macintosh HD is running Sierra from which partition for mojave was made which doesn’t has APFS option. Installed Mojave 10.14.2 on a MacBook Pro mid 2012 which has HDD and volume formatted in ...
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1answer
29 views

Time Machine partition won't mount

I have an external drive with two partitions, the first of which I use for Time Machine backups. The other day I got a message telling me that my drive had been unplugged without being ejected first (...
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1answer
18 views

Lost space after removing bootcamp

So I removed bootcamp and now there is a partition called "free space" that I can't remove. Here is my output from diskutil list: Here is the screenshot from disk utility showing the partitions: ...
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31 views

Bootcamp not enough space

I am trying to install Windows using bootcamp in my Mac (Mojave 10.14.3). However, bootcamp tells me that I do not have enough disk space while in fact I have. I haven't got any local snapshots. In ...
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56 views

Bootcamp - can't save Windows support software, not enough space on available disk

So I keep getting the above error at the following step, Downloading windows support software - OK Partitioning disk - OK Copying windows files - OK Saving windows support software - ERROR I have ...
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1answer
45 views

How to fix CoreStorage not mounting? Broken GPT, GUID, volume etc?

I have an external hard drive with two partitions, each one formatted as "OS X Extended (Journaled, Encrypted)". The second partition mounts and asks for a password, but the first one does not. The ...
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1answer
51 views

Asign unallocated free space on external volume to (new) partition OSX

I formated a external USB drive to mount with 10 different volumes. (Actually I forgot how i made this work) The drive will not show as being partitioned in drive utility in OSX but show all volumes(...
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1answer
30 views

Partition Type: FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFFF no backup [duplicate]

trying to delete a disk partition, the disks utility has given an error and now the Macintosh HD volume was not in APFS. But of course, being different, does not match anything with mine. It also ...
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2answers
21 views

can't boot on win10 without alt (option)

on an air macbook air 2017, I deleted OSX and installed only Windows 10 from a usb cd drive. Everytime I boot the computer, I have to push on ALT to select the only one item: Windows. Otherwise I get ...
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24 views

Blocking Disk Utility? [duplicate]

I'm looking for a way to prevent someone from creating a new partition on my hard drive in order to get around restrictions I've set. I've already tried setting an administrator account to no luck. ...
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26 views

I can't delete a partition I created on my hard drive

The reason I have came here to post a question is because it seems that looking for the answer doesn't work. After attempting (and failing) to install bootcamp, my disk has for some reason been ...
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32 views

Completely clear/delete/erase/wipe/destroy a USB drive using the gpt command line utility?

I want to completely delete all GPT (meta)data off an USB drive, so I can create a fresh new GPT. So I do: sudo gpt destroy disk3 No errors, seems OK. However if I do: sudo gpt -r show disk3 I get:...
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2answers
125 views

Can't resize APFS container

On a 120GB SSD hard drive in a MacBook only 68.68GB are available. The missing 51.32GB are not even shown as a free space. Here is what the output of Disk Utility looks like: As you can see on the ...
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1answer
102 views

Cannot partition w/ Boot Camp Assistant on macOS Mojave

Late 2016 Macbook Pro running Mojave 10.14.3, APFS-formatted (ugh). I have run Disk Utility to verify my disk, and I've run fsck -fy from single-user mode several times. Both of these have reported ...
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1answer
41 views

Recovering OS X partition after FFFF volume error and gpt add error

I am currently running a 2014 13'' rMBP. I recently tried to delete a Bootcamp partition in Disk Utility. When I tried to reboot my system, it did not boot OS X (Mojave) and instead could only boot to ...
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24 views

Bootcamp assistant cannot partition drive

I am trying to install Windows 10 1809 via bootcamp assistant on my 2016 MBP and it keeps showing me the following error: Here is the output from diskutil list: Carsons-MBP:~ carsonclark$ diskutil ...
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63 views

Problem installing Bootcamp (Windows 10 on Mojave)

I'm trying to install Windows 10 on my non-Retina Mid-2012 MBP. It previously had a Bootcamp Windows 7 that I had to remove manually by deleting it's partition via Disk Utility. I'm trying to install ...
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17 views

How to remove a Windows 7 bootcamp partition from Mojave? [duplicate]

I installed Windows 7 via bootcamp several years ago with much older version of macOS but now when I want to delete it via Boot Camp Assistant, it doesn't recognize my bootcamp to remove and also ...
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24 views

Macbook can't boot after a day of installing Mojave on internal SSD. Volume File System shows as “None”

I recently installed Mojave on my Macbook Pro with the Aura OWC 1TB SSD; after installing the firmware update. It worked fine for a day and stopped booting afterwards. I would very much appreciate ...
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20 views

Can't see newly created parition (and formatted as ExFat or NTFS) in Bootcamp (Windows 7) [duplicate]

I'm trying to resize my Bootcamp partition and finally shrunk my AFPS partition smaller and formatted the new partition to NTFS (and later to ExFAT) in hope to be able to see it in Windows and merge ...
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1answer
48 views

Failed paritiong resizing partition in Mojave via Disk Utility (Planning to add it to Bootcamp) [duplicate]

(Using Mojave 10.14.1 on MBP Mid-2012) I was trying to resize my AFPS partition to add it later to my Bootcamp partition (in Windows) but the operation failed. What I did was to use Disk Utility's ...
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1answer
48 views

Extand main APFS partition on MacOS Mojave 10.14.3

As it can be seen from the screenshot below my APPLE SSD is of size 500GBs, but my Apple_APFS Container disk1 is of size 450GBs. There was a Container disk 2 of size 50GBs before but I successfully ...
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27 views

How to fix “error: no room for the backup header”

I have a MacBook Pro 2015, two days ago after I tried to dual-boot with Ubuntu I lost my access to my 'Macintosh HD' partition. Most especially I had a FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFFF partition, ...
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113 views

Disk Utility First Aid in recovery failed to restore volume to original state

I was trying to repair permissions today on my Mac so I ran the Disk Utility's First Aid on my drive and it said that there was an Invalid Index Key and that my disk was corrupt and I needed to run ...
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1answer
53 views

Unable to use disk removed from Synology NAS with a Mac - wrong partition size showing

I have 2 x 3TB disks I've removed from a Synology NAS. When I try to mount these disks on OS X, they show as only having a single 800GB partition. I've tried erasing in the Disk Util app, but it only ...
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2answers
23 views

Is data in an APFS container erased after main partition is reformatted?

I am trying to create a data partition for my user account so as if I need to re-install my computer, I do not lose any data that is on the other partition. If I had the following layout on my 512GB ...
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1answer
43 views

Professional Data Recovery solution: what to use?

I have a LaCie P9227 2TB drive partitioned 500GB for Time Machine and 1.5TB for Archive purposes. Two days ago the disk started failing (DriveDx utility indicated it as Failing), the TM partition ...
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23 views

Bootcamp problem driving me nuts

Bootcamp on my Mojave says that “your sis could not be partitioned, please check disk Utility” . This occurs when I set the partition space to max on the BootCamp Assistant which is 80gb. But if I set ...
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1answer
21 views

How to partition free space in a Mac SSD

I have a Mac with a 250Go SSD. I used to have a Windows partition, but as I had no longer any use for it I wanted to free up its space. My error was here : instead of using BootCamp helper to delete ...
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0answers
33 views

diskutil mac error 69519

I needed to delete my bootcamp partition but bootcamp wouldn't let me, so I deleted the partition and also the recovery partition of windows from diskutil. The problem is when I try to add the free ...
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1answer
96 views

Tried to fix filesystem type: FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFFF and probably made it worse

I have a MacBook Air 11 inch which I recently tried to install Linux on with a swap partition and a root partition. In my stupidity I used the “disks” program under “try ubuntu now” to delete the ...
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0answers
48 views

GUID Partition Attribute not working on MacOS

I'm trying to prevent automount on a device. The device contains only one FAT32 GPT partition. I have set the GUID Partition attribute to 63 using gdisk (i.e. do not automount). I have also tried ...
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0answers
35 views

Bootcamp partition error

Bootcamp says your disk could not be partitioned please check disk utility. I don’t have time machine backup or automatic. I don’t have local thinsnapshots and I don’t have fire vault turned on. It’s ...
2
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1answer
78 views

Reclaim removed APFS partition disk space

I've tried to use a case-sensitive file system, but I had some trouble. So I've split the hard drive into two partitions, added a case-insensitive volume and cloned it. That worked perfectly. Then I ...
2
votes
1answer
64 views

Missing HDD space after diskutil command

I wanted to merge 2 partitions disk0s2(unused space) and disk0s4(OS volume) My disk looked like this: /dev/disk0 (internal, physical): #: TYPE NAME SIZE ...
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1answer
39 views

can't shrink the system partition in order to clone and swap disk

I wanted to swap my 1TB old iMac HDD to a 1TB SSD but apparently it's not that easy with diskutil under mojave recovery system. From a disk to disk it's impossible since the disc is complaining to not ...
2
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0answers
38 views

Lost the Option to Boot into macOS After Quitting Internet Recovery (Bootcamp)

Background story: I have a MacBook Pro ("Core i7" 2.6 15" Touch/Mid-2018 2.6 GHz Core i7 (I7-8850H)) with Windows 10 installed using bootcamp. I am not sure about the macOS version, but it must be ...
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1answer
58 views

My Fusion Drive Partitioning Seems Wrong/Strange/Wonky

See below for diskutil list of my 3TB fusion drive (iMac 27" late 2014) running High Sierra: I assume disk0 is the HD and disk1 is the SSD, and disk2 is the virtual combo that is mounted as my "HD". ...
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1answer
70 views

Fix a sometimes happening prohibitory sign 🚫

Well, I know there's an answer to a similar question here: Getting a 🚫 sometimes on boot, but this is slightly different. My system is running on external drive. Actually on an external ...
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1answer
67 views

I'm Unable to Boot into Mac OS Partition, partition type FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF [duplicate]

I've seen similar answered questions like this. I'm unable to boot into my MacOS partition. Long story short, I had Windows BootCamp, removed it and then later installed Ubuntu Linux, then tried to ...
1
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1answer
50 views

The startup disk cannot be partitioned or restored to a single partition. Windows 10 and Mojave iMac Fusion Drive

The startup disk cannot be partitioned or restored to a single partition. The startup disk must be formatted as a single Mac OS Extended (Journaled) volume or already partitioned by Boot Camp ...
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0answers
21 views

FusionDrive not mounting because the GUID Partition is messed up after removing one physical drive

so I got a really delicate situation going on. I exchanged my mechanical HDD with a SSD and turned the 1TB HDD into a external USB device. So far so good, everything works like a charm. Yesterday I ...
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0answers
25 views

Not able to access data/partition on HDD after removing it from iMac

hope I'm right here. I'm quite lost as of now. tl;dr Can't properly access data from an 3 TB HDD I removed from my dead iMac and hooked up via USB (2.0) to the new one. Recovery software tells me, ...