Questions tagged [partition]

Creating a new disk formatting scheme or altering an existing scheme

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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 ...
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Lost space after removing bootcamp partition via bootcamp assistant [duplicate]

please help i lost 150gb space after deleting the partition via boot camp assistant and the disk utility won't recover it or partition it as one disk i tried to recover by timemachine but the disk ...
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Bootcamp Error: The startup disk cannot be partitioned or restored to a single partition (not a duplicate)

I am running Mojave, trying to install the latest version of Windows 10. I had this error, so followed the instructions here: Bootcamp issue: The startup disk cannot be partitioned or restored to ...
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Boot Camp cannot install Windows because “The startup disk cannot be partitioned or restored to a single partition.” [duplicate]

I have installed macOS Mojave 10.14.5 on a MacBook Pro early 2011. Now I want to install Windows 10 but I am unable to do it. Boot Camp shows the error The startup disk cannot be partitoned or ...
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Fixing “The startup disk cannot be partitioned or restored to a single partition” error on a fresh Mac OS installation

I've been working on this problem for over 10 hours. First of all, I installed Mojave using the Mojave patcher on an older MacBook (The model number is A1278. It's a 2011 Macbook Pro) I completely ...
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One mac shows an EFI partition for my EHD, another does not

like the title says, I have one mac that mounts the EFI partition on my external hard drive, and another that does not. I'm not sure how the EFI started showing up on the one mac, but I'd like it to ...
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1answer
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Disk has multiple partitions but Disk Utility can only mount first one [duplicate]

View from Disk Utility: Output of diskutil (for this disk only): /dev/disk6 (external, physical): #: TYPE NAME SIZE IDENTIFIER 0: ...
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Trying to install OS X El Capitan, error of external hardrive needing GUID Partition Table Scheme

I have an old MacBook Air with Software Mac OS X Lion 10.7.5 (11G63). I am trying to install the OS X El Capitan but having issues. First there was not enough memory on the mac (even though I have ...
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Can anyone help me figuring out what's wrong with my drive structure?

I've realized something is wrong with my disks/drives/partitions structure when I tried countless installing Windows via Bootcamp but it would always fail. Please take a look at what I have: This is ...
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Too many partitions on iMac

I don't know what I did or how to delete all the partitions to restore one disk. I don't want to see on diskutil all these disks. What do I need to write in the terminal to delete everything? iMac ...
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1answer
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Deleting my Recovery HD?

So I'm running the latest Mac OS Mojave version on my ~4 yo MacBook Pro. I have, and I had for a while now this "Recovery HD" that takes aout 70,3GB. So 3 questions here : I'm getting kind of narrow ...
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Merging separate APFS volumes into startup disk

A 50 GB APFS volume was designated as the startup disk on my Mac running on macOS Mojave and there is 450 GB of unused space in another disk2. diskutil list output: I need to merge that 450GB of ...
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Computer Froze, Now Raid over iSCSI (APFS Format) is no longer mountable. GPT/MBR not present

I was exporting video in Premiere and the computer froze so I had to restart. Upon restarting, I noticed the raid drive I connect to over iSCSI was not showing up on my desktop. However, it appeared ...
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1answer
92 views

Bootcamp - Stuck on “Partitioning Disk…”

When attempting to add a Windows 10 (April 2018, build 1803) partition to my 2019 iMac, I get stuck on "Partitioning disk..." perpetually. When I look at Disk Utility, the OSXRESERVED and BOOTCAMP ...
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1answer
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Mac OS not accessible

I was recently resizing a partition on my mac (10.13) and a partition came up named "recovery HD", I looked and saw that it only had 650mb. I tried to delete and couldn't along with the partitions ...
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1answer
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Is it necessary to “Restore” files from a Time Machine backup if I can already access them directly from the backup disk using Finder?

I have an external hard drive that I've separated into two partitions: one that I use for additional file storage, and one that I use as a dedicated Time Machine backup disk. Something has gone wrong ...
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47 views

What's the best way to use SuperDuper to back up multiple hard drives to partitions on a single drive?

Here's the setup I'm setting up: Mac HD (500GB SSD) Media HD (2TB SSD) Daily Backup HD (3TB HDD, partitioned into a 2TB Daily Backup Mac HD, a 500GB Daily Backup Media HD, and an irrelevant 500GB ...
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Yet again an FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFFF partition issue

Update June 10th Partition seams to be back, almost, please check update 4 at the bottom This is happening on a Macbook Pro June 2012 version. Disk is a 1T SSD and it was up to date with Mojave till ...
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The startup disk cannot be partitioned or restored to a single partition. Windows 10 and Sierra

Getting is error trying to remove my Win 10 Partition. "disktutil list" shows the following. Any ideas? /dev/disk0 (internal, physical): #: TYPE NAME ...
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Dual boot bootloader problems - Mac & Linux

I recently stumbled upon a problem with default MacOS bootloader. The scenario is next: My Macbook pro 2012 only has one 256 GB drive from where I specified 70 GB's of space to be used as Ext4 ...
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1answer
47 views

Hard drive ignores available free space

I have a 500 GB SSD. At one point, it had 2 partitions--one for my regular macOS boot (430 GB), and one for developer previews (~70 GB). At some point, I deleted the developer preview partition, but ...
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1answer
86 views

How to repair damaged hybrid partition table from Windows?

I am using a 2010 27" iMac with Mac OS High Sierra and Windows 10 via Bootcamp. Recently, I have had an issue where every Mac update renders the Windows partition unbootable. This means that after ...
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Question about custom partitions, VeraCrypt and APFS

After a couple of years of delay, I've upgraded to High Sierra. Now, I have an external disk used for backup, with the following layout: /dev/disk6 (external, physical): #: ...
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1answer
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How to merge 2 partitions on macOS

I have an MBP running macOS High Sierra. There are 2 partitions. How can I get rid of BC1, and merge the space into Macintosh HD? Know very little about macOS. Please help. Thanks!
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1answer
84 views

External HDD with encrypted mac partitions is no longer recognized

I have an external disk which I use for data and a TimeMachine backup. For some reason the partition table appears to be broken and I may already have worsened the problem by trying to fix it with ...
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1answer
116 views

BootCamp The startup disk does not have enough space to be partitioned

I am currently trying to install bootcamp, however i am experiencing the following error: "The startup disk does not have enough space to be partitioned." "You must have at least 42GB of free space ...
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1answer
21 views

Cannot boot into Ubuntu installed on an external SSD after installing Windows with Boot Camp

I have a MacBook Pro running macOS Mojave and an external SSD with Ubuntu installed on it. The way I swapped between macOS and Ubuntu was by pressing the Option/Alt during boot to choose between ...
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External hard drive is not recognized by MacOS after trying to install something on it

Can someone help me with this? (without having to format it) Here's the table start size index contents 0 5859790848 MacBook-Pro-de-Elias:~ ///$ sudo gpt show /dev/...
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1answer
35 views

Mojave can't be installed but still boots to Installer partition

I downloaded macOS Mojave from the App Store and, upon running it, it told me that my MBP (15-inch, Mid 2010, currently High Sierra) can't be upgraded to Mojave. Then it restarted my Mac... into the ...
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1answer
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Are there any risk of bricking the macbook by cloning to a partition?

I'm currently using a mac with 3 bootable partitions (multiboot). MacOS, Ubuntu and Arch-Linux. I can switch between the operating systems using rEFInd I mostly only use Arch-Linux but only gave it ...
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2answers
166 views

MacOS partition doesnt boot up and shows as MBR part 255 [duplicate]

Sadly the post tagged as duplicated does not work for me ——————— Quick specs: Macbook Pro Mid2012 500GB SSD thats been in the Macbook for around 4 years MacOS Mojave BOOTCAMP Windows (100GB) ...
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1answer
83 views

APFS Container Disk & APFS Container Scheme Mismatch - Cannot Resize

I have an issue where I screwed up my partitions by removing a PC formatted partition, and it did not recombine itself with my overall partition. Issue happened because I got a new SSD, loaded my mac ...
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1answer
40 views

Can't resize partition [duplicate]

My Disk Utility is showing me some Weird Stuff. My current startup partition is showing as 155 GB, with (I was shocked to discover) 344 GB of unpartitioned free space: I can try to resize the first ...
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1answer
21 views

Macintosh HD partition missing from startup options [duplicate]

I tried to shrink my Windows Bootcamp partition using third-party software which led to my Macintosh HD partition missing from startup options. Unfortunately I don't have a recent backup for the whole ...
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External FileVault-encrypted backup – corrupted partition map

My FV-encrypted external drive was working fine, and now it's not. In Disk Utility (GUI), it shows as "Unformatted". diskutil list: /dev/disk2 (external, physical): #: ...
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1answer
147 views

Lost my APFS partition after using EaseUS partition manager on Bootcamp

I used macOS mojave(APFS partition) and Windows10(Bootcamp). And I tried to expand Bootcamp partition with moving Windows OEM partition by EaseUS partition master in windows. After this, I can’t find ...
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0answers
33 views

Accidentally overwrote encrypted external drive (Mac OS)

So I was rushed (and being careless) and accidentally copied about 80 MB of a Raspberry PI image (SD card formatted extfs) over my external USB drive (4TB) that was formatted and encrypted (using Disk ...
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1answer
114 views

How to recover lost space after a bootcamp restore failed and APFS container failed to verify?

I gave 50GB to bootcamp for Windows 10. Today, I decided I no longer want Windows 10 bootcamp. I went to bootcamp, and clicked restored. Then it said something about being unable to recover the ...
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Skipping disk check with diskutil resize?

When running the diskutil resize command, is it possible to skip the disk verification step? While I realise this ordinarily a good idea to run, I'm currently struggling against an apparently ...
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31 views

SSD Partitioning upgraded MBA (Macbook Air Model A1370) SSD

I would like to 'ghost' a 128GB to a larger M.2 SSD. Based on my experience with upgrading a Macbook to a larger SSD, MS-Office will shutdown. The PC is a MacBook Air "Core i5" 1.6 11" (Mid-2011) ...
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1answer
48 views

can't boot into windows 10 bootcamp but partition is still good

I have a Macbook Pro 15" 2018 running High Sierra and I installed Windows 10 using bootcamp. I had duet display installed on both HS and Win10, and I installed Parallels Desktop 14 on the MacOS side ...
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1answer
42 views

Disk utility has no option to expand HFS+ volume?

I'm trying to expand my HFS+ volume (selected in picture) to use adjacent space, but there is no option to do it in disk utility (!) I just resized my APFS partition in order to create the free space,...
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2answers
37 views

Missing HDD space after removing Boot Camp partition

This is probably not the first case, but I have tried various methods to recover the lost 50 GB of space from different threads, but neither one of them work. (After removing Boot Camp partition, took ...
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1answer
54 views

iMac retrieve old linux partition after dual boot removal

On my iMac I installed a dual boot with Linux Mint. However, I realized that the videos were freezing some times, so I deleted the Linux partition. Now, the Mac is working normally, but instead of ...
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2answers
224 views

How to create “firmware partition” on HDD?

I have a problem with internal hard drive in my IMac, it doesn't work, but I have an external hard drive (HDD), and I want to run MacOS on it. I successfully installed MacOS and upgraded it to Sierra....
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1answer
68 views

After deleting kali linux partition, macOS partition startup Volume type FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFFF [duplicate]

First of all I know this problem and similar problems have been solved before, but I had tried the solutions from the other posts and I didn’t have luck. I know klanomath has a lot of experience and ...
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1answer
389 views

Mojave bootcamp assistant limits partition size

MacBook Air 2015, Mojave installed, 125 GB flashdrive We had a VM for windows, but with installing Mojave, deleted everything additional down to bare Mac OS and tried to install W10 with boot camp ...
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1answer
37 views

How to resize my partitions?

I have 3 partitions on my hard drive right now, and none of them are able to be resized (the apply button is greyed out when trying to partition). I also feel like my drives are messed up in some way ...