Questions tagged [partition]

Creating a new disk formatting scheme or altering an existing scheme

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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 ...
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224 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&...
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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 ...
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1answer
86 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 ...
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1answer
123 views

Windows 10 won't install in EFI Boot mode when hybrid partitions are present on Mac-Pro 5.1?

I am trying to install Windows 10 in EFI mode on a Mac Pro 5.1, to co-exist with Snow Leopard, also installed in EFI mode, in GPT partitions, and Windows XP, installed in BIOS mode, in an MBR ...
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2answers
816 views

APFS Volume not claiming available APFS Container space

I'm at my wit's end with this, and I can't find anything about it in documentation or questions, so I thought I'd ask one. I had an APFS Fusion Drive that included two drives: (120+500) GB. I cloned (...
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275 views

How to mount FAT32 partition on MBR disk containing a logical Linux partition

I have a USB stick which contained a single FAT32 partition and was working fine. Then I ran the Ubuntu Server 18.04 installer, shrinking the partition and adding a logical Ext4 partition to install ...
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1answer
53 views

Can't merge “Free Space” with Macintosh partition

I have deleted a messed up bootcamp install and now I am stuck with 50 GB in "Free Space" that I am unable to "delete" or merge with my Macintosh partition. Anyway to do this?
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External disk automatically reconnects after unmounting

I have a weird problem on my 13" MBP (Early 2015) running MacOS 10.14.3 Mojave. I have an external USB disk with a MBR partition scheme and one big exFAT partition that allows me to exchange files ...
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1answer
190 views

Resizing a partition to increase into space before itself

Simple Explanation: Expanded Explanation: All I want to do is delete disk0s9 and have disk0s4 resize and take up the empty space. I want to Delete container disk4 (disk0s9). I don't want the ...
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1answer
46 views

Crash during Boot Camp restoration. How do I remove my Windows partition?

As mentioned in the title, my OS crashed while removing the windows partition. Now Boot Camp Assistant doesn't recognize the pre-existing Windows partition anymore. See diskutil results below. How ...
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1answer
500 views

how to turn on hardware virtualization on Macbook pro with BootCamp with no OSX

I haven't been able to turn on hardware virtualization on a Mac with BootCamp (Windows 10). All the solutions I have found say that I need to restart and choose OS X ( including How to turn on ...
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1answer
417 views

Unable to boot into Mac OSX after updating dual-boot Ubuntu, Partition Type FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFFF

On my Mac OSX Mojave machine.. I installed Ubuntu 18.04 to attempt to dual boot on the internal Apple SSD. Worked for a while, but after some updates to Ubuntu... hitting the power button boots up to ...
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1answer
443 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
34 views

Flash drive no longer visible within Windows

I recently formatted a USB flash drive on my Mac (El-Capitan) and made a bootable Mojave installer drive. It worked great and there were no issues, until I needed to reformat it to use on Windows ...
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1answer
328 views

Is it possible to recover a deleted APFS volume?

Nothing’s been changed or formatted. The “container” is not mounted and the volume I accidentally deleted still shows up in the Boot menu at startup. How would I go about recovering this APFS volume?...
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After a failed bootcamp installation of Windows 10, I am stuck with multiple partitions

I canceled a bootcamp install of Windows 10 because it was taking AGES to work. Anyhow, I now have a partition on my MacBook I cannot seem to get rid of. If there is nothing on the extra partition (...
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32 views

And yet another… corrupted partition table

I have an external hard drive that has two partitions and one of them is not being mounted. The one that is not being mounted has data I would like to recover. Right before the problem I had installed ...
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16 views

How to fix misnamed filesystem in GPT?

I restructured my drive in Windows messing up my partition table as the software I used did not recognize apfs. In Mac recovery mode disk0s2 is recognised as a Linux Filesystem. It won't let me run ...
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48 views

2011 iMac 27": cannot upgrade to latest OSX after replaced failing drive with blank new HDD. Nasty loop [duplicate]

Installed a new hard drive on a iMac 2011 27": old drive would not boot (node errors which FSK cannot fix). This faulty drive was running High Sierra before it stopped booting. Removed the old drive ...
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2answers
183 views

My External Hard Drive's format changed to FAT16 without any reason

I have an ADATA HD710 1TB external hard drive which I use mostly in my Mac Mini 2011 and I have created two separate partitions for my drive. One of the partitions has APFS (Apple File System) format ...
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1answer
48 views

Disk Utility cannot detect a good portion of my storage space

While trying to set up Boot Camp, I received an error shortly after the process finished. Checking Disk Utility on both the software and Terminal, I was left with the space I set for my Boot Camp ...
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1answer
104 views

Testdisk show unusual media descriptor (0xf8!=0xf0) on hard drive

Running TestDisk 7.1, I'm getting a "Unusual media descriptor (0xf8=0xf0)" error on what was a perfectly functional hard drive. Please see the attached photo. How do I diagnose and recover from ...
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1answer
186 views

How to recover lost partition after diskutil erasevolume? [duplicate]

I have the same problem as How to recover lost partition after diskutil erasevolume noformat The op in that post solved by going into Internet Recovery. I did that but problem remains. Reinstall of ...
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1answer
26 views

Rebuilding old HDD

My mac is turning 5 years now, it runs already long on SDD and old HDD is in an optibay. But HDD is a stock one and is turning 5 years as well. It's working ok, but tests with Disk warrior, Tech Tool ...
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1answer
817 views

Windows 10 install on mid 2010 Mac Pro - “EFI boot” is not in startup manager

I have been working towards installing Windows 10 on my mid-2010 Mac Pro and have been using the following thread as a guide: said thread. I've formatted both my BOOTCAMP volume (where I plan on ...
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1answer
213 views

Disk format for HDD with both APFS and HFS+ volumes

For a HDD which will have both HFS+ and APFS volumes, is it better to format the disk itself in Disk Utility (on High Sierra) as APFS or HFS+?
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86 views

How do I partition a hdd with windows on it

I'm trying to partition an hdd with windows (bootcamp) on it into a 465gb partition and a 35gb partition. (macOS is on a different internal ssd.) Disk Utility didn't let me create a new partition on ...
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536 views

Can I use the whole internal SSD for Boot Camp on a T2 based Mac (Mac mini late 2018)?

TL;DR Can I safely install Windows 10 on the entire internal SSD on a T2-based Mac (mini) rather than splitting the drive space between macOS and Windows? Is there a particular method for this that I ...
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1answer
286 views

Solving bootcamp error message to erase windows partition

I have a Windows partition created with Bootcamp that I would like to delete but when I launch the Boot Camp Assistant I get the following error message: I have a looked at several threads/...
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1answer
1k views

How do I increase an APFS partition size?

Also, will converting the 400gb and 600gb partitions into "Free Space" partition work for this? How do I create Free Space partitions? I'm using High Sierra 10.13.6 for this. In the end I want to ...
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1answer
288 views

Restore main APFS container to full disk

I tried installing Windows 10 on my Macbook Pro with Bootcamp on Mojave, but through a series of manipulations, I broke my Windows installation and Bootcamp would not let me restore my system as it ...
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1answer
28 views

Space lost after bootcamp fail

This is my first apple computer (MacBook air 2015). I had to install windows on this because my school wanted it. I tried installing through bootcamp and it failed the message was "windows support ...
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1answer
316 views

Unable to merge partitions or reinstall OSX

I have 1 SSD disc in MacBook Pro mid 2009 with 2 partitions and I would like to make a clean installation. So.. using Disc Utility I have erased both partitions (OS X Extended - Journaled). So far so ...
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1answer
67 views

Mac OS Sierra - Can't merge former time machine partition on external hard drive

I have an external hard drive with two partitions. One partition was used to save files and the other was dedicated to Time Machine. Now I have a new hard drive which I use exclusively for Time ...
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982 views

Resizing APFS partition stuck on “Checking the object map”

I attempted to add a partition to my boot drive in macOS High Sierra. In the process, Disk Utility was going to resize my Container disk1. The boot partition is APFS and is in that container. On the ...
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1answer
67 views

Removed first partition, how to resize second partition into the free space?

Mac Mini running Sierra. I have a 500GB internal drive, that was partitioned into two volumes because at one point I wanted to test upgrading from Mavericks to Sierra but wanted to make sure ...
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0answers
163 views

Partition Type: FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFFF on Macbook Air; gpt add error

[Solved] I recently installed Kali Linux onto my MacBook Air 2015, and shortly after, realized that I needed to install Refind to get the full functionality. I deleted the partition, which is 20 Gb, ...
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1answer
313 views

Mounting encrypted HFS partition after messed up partition table

I have an external 2 TB Harddisk that had a 1.5 TB exFAT Partition and a 500GB HFS+ encrypted Partition. I wanted to shrink the 1.5 TB to 1 TB. I used https://www.diskgenius.com/ to shrink the exFAT ...
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1answer
127 views

How can I partition my disk?

I have a macOS Mojave (10.14.2) and I would like create a 20 GB MS-DOS (FAT) partition on my 128 GB APFS disk. But Disk Utility constantly gives me an error: My Time Machine is turned off: My ...
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1answer
18 views

Recovery partition fills up half of the disk, cannot resize

So I noticed something was wrong with my partitions in Disk Utility as the Mac HD only occupied half of the storage, I booted into UBuntu on a USB and from there I found out that the recovery ...
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1answer
47 views

I tried activated the option to partition a disk, instead all my drive data disappeared in a few seconds

I read online that there was a command line to activate the partition option on Disk Utility: diskutil partitionDisk disk4 1 GPT HFS+ newdisk Which is just supposed to unlock the possibility to ...
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0answers
34 views

Partitions name on startup boot selection are listed with the wrong name

I partitioned a USB hard drive as above /dev/disk4 (external, physical): #: TYPE NAME SIZE IDENTIFIER 0: GUID_partition_scheme ...
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2answers
158 views

El Capitan and old Photoshop to bootable partition

I have a working copy of Photoshop CS3 on a 2011 MacBook Pro. I would like to put it and an older OS on a bootable partition so I can use the CS3 occasionally and not have to pay monthly fees to Adobe....
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2answers
87 views

Mac OS merge other partition into OS partition without losing data on primary OS partition

i have a mac book pro 2015 with 125 ssd drive. bellow is my partition table my question is how can i merge partition "BackUp" into my "2: Apple_APFS Container disk1 71.8 GB ...
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1answer
135 views

Merge partitions after windows installation failure [duplicate]

After windows failed to install, I was left with my partition, which bootcamp was supposed to remove but it froze and I exited it (probably not the brightest idea ever). So now I have these extra ...
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2answers
694 views

Merging two disks to one?

I installed MacOS on disk 0. I have one HDD drive which is split into multiple disks. Now I would like to merge disk 0 and disk 1 (same hdd) to one disk. Is it possible and what should I do? For ...
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1answer
1k views

How can I merge primary APFS partition with other empty/free space APFS partition?

I am using MacOS Mojave. Below is the diskutil output There is 150 GB of free Space. After executing the resize command, I am seeing Error 69519. How do I merge the free space with disk0s2? ...
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3answers
9k views

Resize APFS partition in Mojave

I'm attempting to resize a partition that's too small for my needs. Here's the output from diskutil list: ~> diskutil list /dev/disk0 (internal): #: TYPE NAME ...
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1answer
832 views

Mac Internal Drive Uninitialized | Macbook Pro 13 (mid 2010)

Bit of background - the whole problem began with the mac being really slow and unresponsive. I thought it might be a good idea to wipe everything clean, and reinstall a fresh copy of High Sierra. So, ...