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Questions tagged [partition]

Creating a new disk formatting scheme or altering an existing scheme

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12 views

FFFFFFFF partition problem, not able to fix with the guide in other topics

Like many other uses who reported the same problem, I tried to install and delete Ubuntu in my 13' mid-2014 MBP, messed up and got FFFFFFFF-FFFF-FFFF-FFFFFFFF partition, tried to follow the solutions ...
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0answers
27 views

Wrote over partition map, now unable to boot even after attempted repair

Long story short - I was attempting to install bootcamp on my MBP and I suppose I wrote to a partition on my main ssd instead of the secondary ssd as intended. I attempted to create a new partition ...
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3answers
71 views

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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0answers
11 views

How to make Boot Camp partition bootable again after update?

I use an early 2011 MacBook Pro 15". It has partitions for Mac OS 10.13.6, Windows 10 and Ubuntu 18.04. Recently, when I tried to update Mac OS, the update failed with a message warning that the ...
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0answers
15 views

Enlarge APFS container with free space

The container scheme of my hard drive is the following I have more or less 87 GB free, that are not contained in this list. I have removed the container of size 87 GB with the command sudo ...
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2answers
13k views

Bootcamp stuck in Windows

I have a Bootcamp partition with Windows 8.1 that I rarely use. Last night I was in OSX, closed the lid, and when I opened it this morning it was in Windows and I cannot get out. Booting with the ...
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1answer
48 views

Converted from a basic disk to a dynamic drive in Boot Camp

I got a MacBook Pro and installed Windows 10 using Boot Camp and all was fine. I then needed to create a 50GB NTFS partition, when Windows prompted me to convert to a dynamic disk, I mistakenly hit ...
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0answers
11 views

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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2answers
51 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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1answer
55 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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0answers
15 views

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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0answers
25 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
5k views

How to merge two partitions on external hard drive when the “partition” option is greyed out?

I have an external hard drive that is connected to my computer by a SATA/eSATA cable. Diskutility recognizes the hard drive as two separate drives as shown in the following two images: I can't seem ...
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0answers
28 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
30 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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2answers
2k views

How can I create a bootable drive for ArchLInux on macOS?

I'm trying to figure out how to do the equivalent of these instructions for creating an archlinux bootable drive on a Mac. (I'm using a Micro SD to USB adapter.) I found these instructions on ...
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1answer
34 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
22 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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0answers
34 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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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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1answer
53 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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2answers
1k views

APFS Container Resize error code is 49153 in High Sierra

I am trying to resize my partition using the following sudo diskutil apfs resizeContainer disk0s2 450g ExFAT Ubuntu 50g However I am getting the error: APFS Container Resize error code is 49153 ...
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0answers
62 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
47 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
106 views

MacOS partition shows up as FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFFF (Mojave)

I suspect this this may be a duplicate, but I'm not sure what I should do considering almost everyone else has another macOS version or other partition size and I'm not sure how to generalize another ...
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1answer
33 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
527 views

How to Install Ubuntu on Mac with High Sierra and Legacy BIOS Booting Windows 10?

My 21.5-inch, Mid 2011 iMac has High Sierra (macOS 10.13.6) installed. A 64 bit version of Windows was originally installed using Boot Camp. Windows uses the legacy BIOS boot method. I have upgraded ...
1
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1answer
2k views

Cannot delete partition (minus greyed out) - non-encrypted, no core storage

When trying to install Windows 10 from scratch on my Late 2013 MacBook Pro, I was unable to remove the old BOOTCAMP partition through the Boot Camp Assistant. I erased the partition with Disk Utility,...
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1answer
23 views

Unable to partition internal Toshiba drive for OS X re-installation,

Trying to resurrect an older MBP and I'm at my wit's end on how to go about it. Hoping you all might be able to shed a helpful light on things. The MBP in question is circa 2012 and immediately boots ...
3
votes
1answer
55 views

`diskutil list` shows type Windows_NTFS, but `Disk Utility.app` shows type ExFAT. So What is the type?

I just bought a new external ssd drive (connected to USB3 port of Macbookpro). and then run $ diskutil list /dev/disk1 /dev/disk1 (external, physical): #: TYPE NAME ...
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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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1answer
85 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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0answers
39 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
votes
1answer
101 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
34 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
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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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 ...
3
votes
1answer
55 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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0answers
28 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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0answers
67 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 ...
3
votes
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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2answers
3k views

How to format multiple exFAT partitions on USB drive?

I'm following the instructions in Creating a bootable Clonezilla dual partition USB device but using my Mac laptop running El-Capitan. I managed to create an MBR partition table and two partitions on ...
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0answers
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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0answers
29 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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0answers
33 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
154 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
47 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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votes
1answer
111 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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0answers
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 ...
2
votes
1answer
340 views

How to expand SD Card disk size (clone smaller SD Card into Larger one)

I am trying to clone the content of my 16GB SD card onto a 64GB SD Card. What I tried first was to just copy all the files from the 16 to the 64 manually. This did not work out, the tool using the ...