Questions tagged [partition]

Creating a new disk formatting scheme or altering an existing scheme

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Mac Bootcamp - ERROR: The startup disk cannot be partitioned or restored to a single partition [duplicate]

The title says it all really. I've downloaded a Windows 10 iso and I'm trying to create a bootcamp to it on my Mac, however when I open bootcamp assistant and press the first continue button, it gives ...
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Partition (Riemann- Stieltjes Integral) [on hold]

Question ask in RTM Nagpur University (BSC 5th semester
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Problems after deleting Bootcamp/little partition left

I use 2014 model iMac and last year I decided to bootcamp it. After a year I start having hard drive usage issues therefore I uninstalled my bootcamp. But the program couldn't uninstall it properly ...
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My Mac sees its HDD as only having 1 partition fully taken up by the OS X Base System

I am trying to partition my Mac HDD but the entire HDD has one partition and according to Disk utility the full 1TB is taken up by the OS X Base System. I’ve tried creating more partitions, but it won’...
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Accidentally deleted my encrypted coldstorage drive. Can I recover it somehow? diskutil cs delete MAC

The hard drive connection broke in my macbook pro. I used a sata to usb cable and put it on the mac, it still didnt boot. I went into Recovery. I believe the drive originally had 3 partitions. One ...
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Time Machine and File Storage on 1 External Drive Security

If I partition an external drive to use one partition for file storage and another for time machine, will the partition for time machine be as safe from malware as if it were on a separate drive? As ...
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Storing Photos library on Time Machine external hard drive with partitioning [duplicate]

I have a Photos library on my Mac, which I want to move to an external hard drive in order to save space on my computer's internal hard drive. I want to move the library to the same drive I use for ...
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1answer
34 views

MacBook Pro disk utility - disk0s2 not mounted

I am trying to erase all data from my laptop and reinstall OS X before I trade in. I erased all data on Macintosh HD but now when I go to reinstall OS X there is no hard drive appearing when prompted ...
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HFS+ corrupted partition recovery with files offsets

At first, I’ll mention some background details that could help better understand the situation. I used 1TB external drive for data storage, then installed it into Optibay to use it inside MacBook ...
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1answer
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How to fix a Damaged APFS disk?

I have an issue with a 1TB 850 Evo, serving as an external disk in a SATA enclosure. I would Really like to recover the data I have on it so any help would be greatly appreciated. Readout from GPT ...
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Moving hard drive to another laptop. (similar model)

I am trying to take the hard drive from a Macbook Pro 13-inch Mid 2012 (Model Identifier: MacBookPro9,2) and put this hard drive into a Macbook Pro 13-inch Early 2011 (Model Identifier: MacBookPro8,1)....
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Resized MacOS partiton after debian install, now volume has no type and MacOS wont boot

I was dual booting debian alongside MacOS. Debian hasn't been bootable for some time (unknown reason) so I decided to remove the leftover linux partions and resize my main MacOS parition to fill the ...
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How to setup properly Clover EFI?

I need a little help to how to setup Clover Bootloader - to handle a dual-boot on a late 2008 unibody Mac(Intel dual-core 2GHz, 4GB). This Mac is already containing two partitions - see below - but ...
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1answer
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Can't access Recovery Mode (2011 Mac Mini)

I was gifted a 2011 Mac Mini and I decided to try and get the thing up and running with a recent enough version of MacOS. When I turned the thing on, I was greeted with a fast boot to grub, indicating ...
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Boot Camp, Windows install not finding Boot Camp partition

I got an iMac 27'' Retina 5k (late 2014) and want to install Windows 10 using Boot Camp. I'm running on macOS Mojave 10.14.6. BCA completes the download of the Windows support file successfully, ...
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I can’t rename partitions in macOS

I’ve created a thumbdrive with 12 partitions with ASD EFI tests for Macs. I tried renaming the partitions to shorter names with both Finder and Disk utility (so they show up in startup manager ...
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Restore APFS Volume on an external USB disk which does not mount

I work with a MBP 15" (2019 eight core) and an USB HDD partitioned with an APFS encrypted volume. Yesterday, after a regular power off of my MBP, I plugged in my external USB disk and I got an error ...
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Why is it necessary to perform manual clean-up of partitions when removing one copy of macOS on a dual macOS install?

In Remove macOS from a APFS container? there is an answer by @"David Anderson" that states that if you install 2 copies of macOS on separate partitions, then try to remove one, you need to perform ...
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How do I install El Capitan and ParrotSec dual-boot? (without Kernel Panics)

ParrotSec was installed on this machine and it was running fine - meanwhile I could not reach it from Grub2 because if I chose MacOSX-32bit/MacOSX-64bit it popped back a Kernel Panic. On the other ...
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1answer
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Partion Samsung T5 on MAc

I have a 1G Samsung T5 that I would like to partition into 2 partitions so I can use one of them for Time Machine backup. However the Partition button in Disk Utilities is always grayed out for the T5 ...
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Missing partition space after running diskutil commands

I was trying to merge 2 partitions into 1 on my MacBook Pro 2012 running macOS Sierra 10.12.6. At first, with the command diskutil list I got this /dev/disk0 (internal, physical): #: ...
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Unable to successfully remove Windows partition from Mac, now unable to see the Bootcamp partition in disk utility

I tried removing my windows partition using boot camp but it failed, then restarting my machine I could no longer see the windows partition. Using the command "diskutil list" i got this: (base) ...
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1answer
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Macbook Air Bootcamp Assistant leads to Windows 10 install error 0xc0000001

Finally managed to get my partition to work, but now when installing Windows 10 Home, Windows 10 Home N, or Windows 8.1, none will work and I am prompted with the error code 0xc0000001 loop. Please ...
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Stuck on partitioning disk using bootcamp with early 2015 model macbook air, 480 gb auro pro x2 SSD

I am attempting to create a 100 GB partition for windows 10 on my macbook air via Bootcamp Assistant. I have been stuck on "partitioning disk...", with the load bar completely full for some time now. ...
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33 views

Missing storage after deleting boot camp partition

Using an iMac 27 inch - Late 2012. I deleted my bootcamp partition and lost 300gb. I didn't let it uninstall properly, rushed and closed the window and thats where all the errors and lost space ...
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Macbook 'Missing Space' Issue after Removing Partition

I had previously set up my 2012 Macbook Pro in a fusion drive configuration (250GB ssd and 500GB HD) for macOS and had a 250ish GB partition for Windows on my 500 GB hard drive. I tried removing the ...
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Parition disapeared after deleting Linux

I had a 70gig partition running Ubuntu that I deleted from Disk utility (was gonna reinstall with Kubuntu instead). However, once the operation was complete, I was just left with the Mac partition (~...
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1answer
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Deleted a partition with High Sierra, now unable to reclaim space in partition with Mojave

I had 2 partitions in my MacBook: Partition 1 - 200 GB - High Sierra Partition 2 - 300 GB - Mojave After deleting the partition 1 I am unable to reclaim disk space associated with it. Here is the ...
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1answer
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SSD drive partition showing as FFFF on my MacBook Pro 2010

About three years ago I replaced my original hard disk on my 2010 MacBook Pro with SSD drive to make the system run faster. It did work fine until now. Regrettably I'm in this position now as my ...
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Mac boot partition FFFF (High Sierra) [duplicate]

I know many people have had similar kind of issues and I tried to fix this with the answers I found but with no luck. Device: iMac 27" mid 2011 OS: Latest High Sierra (I think the recovery mode is ...
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1answer
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How to resize (grow) APFS partition that is at the end of the drive?

[new info below post] -- I'm having trouble resizing an APFS partition on the 240Gb SSD in my Mac. I want to make all space available to the system partition "Macintosh SSD". Output of diskutil list: ...
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my mac loss about 80GB free space after running diskutil commands

Since I have allocated 2 partition for installing windows. Now i want to get space back to the macintoh HD Disk, I just followed by the method online and tried several commands like: jhdeMacBook-Pro:~...
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Force unplug SSD without eject and SSD partitions gone

I was working copy my photos to my external SSD hard drive from my iPhone. I created a new photo library on SSD(USB connected) and start import from iPhone. But SSD partitions were unmount by itself ...
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1answer
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System fails to recognize main macos boot partition after Ubuntu dual booting attempt

I recently attempted, and temporarily succeeded, in dual-booting Ubuntu and MacOS Mojave on my MacBook Air. After I installed and successfully tested Ubuntu, I tried to use Disk Utility to create a ...
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macOS Catalina: MacBook Air Corrupted HD Partition Map

My MacBook Air is not working after installing macOS Catalina. I tried everything to erase the hard drive using Disk Utility and diskutil command, but it won't just let me. I tried booting into ...
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Why Apple partitions the SSD drive this way, and which partition should I removed?

I am planning to reformat both of my drives in my 27 Inch iMac (mid 2011), and I have a question about the way the SSD is partitioned by Apple. Why are there are three tiers in my SSD? I don't want ...
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189 views

Cannot resize APFS partition - “The new size must be different than the existing size”

I have a 1TB SSD on macOS High Sierra 10.13.6 with the following APFS partitions: $ diskutil list /dev/disk0 (internal): #: TYPE NAME SIZE ...
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EFI missing, Question folder appears, Mac SSD appears and disappears, what do I do?

Setup Macbook Pro retina 13 A1502, SSD 128Gb Running Yosemite, but currently doing the update for high sierra. Problem: Question marked folder appear after I left it for 2 days, battery run out (left ...
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Create a new partition with disk utility

I'm running OS X 10.11.6 and I want to create a new partition on my disk (disk0). Is there a way to first resize the disk to make some space and then add a new partition? When I boot from this disk ...
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Resized with iPartition but MacOS still reports old partition size

I resized an external drive partition from 800 to 900 GB with iPartition but MacOS still reports old size. Did unmount drives, did restart, but still. MacOS 10.12.6 iPartition 3.6.2 (216) Update: ...
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How to merge “Container disk1” back into my MacintoshHD?

Through some failures trying to remove Bootcamp I've found myself with a 289GB Macintosh HD and a 201GB "Container disk1". I initially tried to erase the extra volume, thinking it would then give me ...
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Partition external SSD (Win10 already installed) for Mac

My situation: I successfully installed Windows 10 on a Samsung T5 external SSD (size of 1TB) which I can boot into using my MacBook Pro 13" (2017 model w/ 4 Thunderbolt 3 ports). Under Windows, the ...
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1answer
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Macbook Air 2015 High Sierra cannot merge free space partitions

I think I messed everything up when I erased the content of a partition from bootcamp. Please give simple instructions. I have no knowledge about how storages work. Thank you.
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Why do I have 2 drives with the same used space?

this is a weird one. I just bought a 2nd hand macbook retina and turns out that when I re-installed macOS, the storage dialog showed up a 2nd drive. The very first thought was that the main drive is a ...
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What is this 11.59 GB partition on my iMac? [duplicate]

What is this 11.59 GB partition ? Is that supposed to be there ? If not, what can it be and how can I remove it ? I don't remember seeing it before I used Bootcamp and installed Windows. I installed ...
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1answer
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“Lost” 300 GB of disk while trying to install Windows via Bootcamp

Had Windows installed with Bootcamp and for a couple of years it went fine, until I recently fired it up again and when it tried to update it went into a crash -> reset (only option that made it boot, ...
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Installing Windows 10 on iMac 27" (2017) Mojave, 3TB

I'm trying to install Windows on my Mac. I had no problems before, or on my older iMac/Macbook, with installing Windows on a Mac. I decided to detach my Fusion Drive, so I ended up with a 3TB HDD ...
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partition all unallocated space Mac Mojave

How do I create a partition out of unallocated space on Mac OS Mojave/APFS? diskutil apfs list in Terminal indicates I have 137.8gb unallocated, but in Disk Utility I can only add a partition up to 68....
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Claiming free space partition: “it does not appear to be a valid Core Storage Logical Volume UUID or disk”

Some time ago, I divided my macBook into three partitions: macOS Sierra, Linux and a shared data partition. Now, I wanted to get rid of the third, merging it to the macOS one. Since I couldn't resize ...
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Mac thinks USB is the wrong format

I have a USB drive that I cleaned and formatted as FAT32 on my Linux machine because Diskutil disableOwnership wouldn't work. I plugged it into the Windows machine with the files I need and copied ...