Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [partition]

Creating a new disk formatting scheme or altering an existing scheme

0
votes
1answer
31 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 ...
0
votes
1answer
25 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 ...
0
votes
1answer
34 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 ...
0
votes
0answers
17 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 ...
0
votes
0answers
17 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 ...
0
votes
0answers
16 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 ...
0
votes
0answers
18 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 ...
0
votes
0answers
19 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 ...
0
votes
1answer
23 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 ...
1
vote
1answer
21 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 ...
0
votes
0answers
23 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, ...
0
votes
0answers
41 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 ...
3
votes
1answer
46 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 ...
0
votes
2answers
19 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 ...
0
votes
1answer
38 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 ...
0
votes
0answers
20 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 ...
1
vote
1answer
17 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 ...
0
votes
0answers
24 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 ...
2
votes
1answer
76 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 ...
0
votes
0answers
26 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 ...
0
votes
0answers
16 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
34 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
44 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 ...
1
vote
1answer
35 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
votes
0answers
32 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 ...
2
votes
1answer
43 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". ...
1
vote
1answer
44 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 ...
2
votes
1answer
55 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
vote
1answer
35 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 ...
0
votes
0answers
15 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 ...
1
vote
0answers
24 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, ...
4
votes
2answers
50 views

Resize system partition?

I found some questions like that here but it doesn't help me. I use Paragon hard disk manager & disk utility to resize it and have screenshot like below. But I can't add free space to main osx ...
0
votes
1answer
46 views

Problem when extending windows partition using Disk Utility

I tried to partitioning the macOS partition to have some space to extend the Windows partition using Windows OS. When trying to switch back to Windows OS, I could not find it. Even when restarting and ...
3
votes
1answer
40 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 ...
0
votes
1answer
15 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 ...
0
votes
0answers
39 views

Core Storage Missing

I was trying to install Windows via BootCamp. But it showed an error and Bootcamp started to restore the partitions it created. But the process never finished so I had to quit BootCamp. I found out ...
0
votes
1answer
280 views

Installing Ubuntu on Mac with macOS Mojave

I tried to follow steps in the article Installing Ubuntu on Mac with macOS and Windows already installed. But I have a different file system. And cannot resize with diskutil. diskutil resizevolume ...
0
votes
0answers
30 views

Manual Windows 10 installation on Macbook Pro mid 2014 using unetbootin

Just some some context before i ask my actual question. I know my mac is older so I have been using a USB to use bootcamp. I have tried installing Windows 10 using the Bootcamp assistant multiple ...
0
votes
0answers
42 views

How to make a bootable USB drive from a dmg containing multiple partitions

I have a USB flash drive of the Mojave installer from which I created a dmg containing two partitions: the installer partition and a custom EFI partition. The drive booted and installed fine. How do ...
0
votes
0answers
12 views

Deleted High Sierra partition still shows on boot up and I still cant reclaim the deleted storage

I installed high sierra on a separate 100gb partition and then deleted it demo disk utility on recovery mode. When i boot my mac and hold option it still shows the high sierra partition but when I ...
0
votes
0answers
24 views

The startup disk cannot be partitioned or restored to a single partition. Windows 10 and Mojave 10.14

I installed windows 10 through bootcamp and I want to remove the partition. However, upon opening up bootcamp assistant it said that the startup disk cannot be partitioned or restored to a single ...
1
vote
0answers
60 views

Create a partition that both Windows and macOS Sierra can access via Disk Utility

After I installed macOS Sierra I decided I wanted to also have Windows for gaming. I installed Windows 8.1 via Boot Camp Assistant and gave it about 110 GB of space. After some time I realized that ...
0
votes
0answers
13 views

Macbook Harddrive showing up as FDisk_partition_scheme

I was using my computer normally when the computer stopped working all together. I turned it off and when I turned it back on I got a blank screen with a flashing folder with a question mark. I opened ...
1
vote
0answers
13 views

Can't partition HD after failed boot-camp install

I have tried to Install Windows using Boot Camp, so I've allocated a partition for it (50gb) It didn't work, and now I can't get it back using "Disk Utility" and also "Boot Camp" continuously keeps ...
0
votes
0answers
21 views

I want to reclaim the deleted partitions storage space so i can have my whole 500 GB in one partition

I installed high sierra on a separate partition and it was installed as an APFS partition. Yesterday I went into recovery mode and straight up deleted the 100gb high sierra partition . Now on booting ...
0
votes
0answers
31 views

Clean install macOS High Sierra on a working SSD, but can't format

Macbook Pro 13" Mid 2012, 8GB RAM, i7 2.9GHz. So I was using Bootcamp Windows 10 and macOS Mojave 10.14.2, but suddently I could not use the macOS part. I then wanted to wipe the whole SSD and ...
1
vote
0answers
80 views

Invalid number of allocation blocks in Disk Utility Repair

First of all I hope @klanomath is still active over here as I'm having a similar issue as described in following thread: Partition on HFS+ external drive: "Invalid number of allocation blocks&...
0
votes
1answer
26 views

Bootcamp the startup disk cannot be partiitoned

I cannot install Bootcamp because it gives me an error message of "The startup disk cannot be partitioned". This is the result of diskutil list /dev/disk0 (internal): #: TYPE ...
0
votes
1answer
12 views

MacBook Pro HDD in Gparted - Main partition “unknown”

I've been given a defective MacBook Pro, seems to be a model from around 2011 - still has a DVD-Drive and a normal HDD. The MacBook had water spilled over it; so I disassemed it and took the HDD out ...
0
votes
0answers
10 views

(Mac OS) After attempting to resize partition, can't boot with windows 7

So I am using bootcamp to use windows from my mac book pro. I wanted to increase the windows disk size so I tried to resize the partition. While I was trying, I gave up and tried to cancel everything ...