Creating a new disk formatting scheme or altering an existing scheme

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Bootcamp partition not showing up after OS partition resize

I have a MacBookPro mid 2012 with OSX El Căpitan and yesterday I resized my OSX partition in order to make more room for the bootcamp partition (Win. 8.1). After I decreased the OSX partition I tried ...
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14 views

Cannot boot into successful winclone restored windows

I restored a winclone image containing Windows 10 to a new partition on my machine. Everything went well, but after the process completed, I was not able to boot into the restored Windows. If I select ...
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17 views

Why is Bootcamp showing Win 7 system data instead of my Win 8.1 install when accessed in OS X 10.11.5?

Recently rebuilt my late 2013 iMac 27" hard drive after bad RAM corrupted it. It now has a fresh install of OS X 10.11.5, as well as a new Bootcamp partition with Windows 8.1 Pro. Despite having ...
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2answers
38 views

How to create Recovery Partition for new SSD after restore via SuperDuper

I recently installed a new SSD on my old MacBook Pro - replacing the HDD. It's running El Capitan. After installing the new drive, I booted from my SuperDuper clone, formatted the new internal SSD to ...
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14 views

Time Machine Backups - Very Slow and inaccurate size

So about 1 1/2 years ago, I bought a WD My Passport for Mac as my Time Machine backup disk and a place to store files. When the drive gets around 5 or so backups, I still have plenty of free space ...
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43 views

How to install windows 10 using bootcamp?(Hard disk problems)

Here's what I did while installing windows 10 using bootcamp.Firstly,i modified the Info.plist file of bootcamp in order to create a live usb(since I have a MBP with an optical drive).It worked.While ...
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7 views

Move/resize Mac partition? [duplicate]

I have 2 partitions (2.6gb, and 150gb) on one of my (3gb) drives. It had 3, but I removed one that wasn't used. Disk Utility should allow me to expand the 'lower' (150gb) partition into the free ...
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1answer
41 views

Wiping Entire SSD for clean install of OS X

I want to clean install a completely fresh copy of OS X El Capitan on my mac. I have a recovery USB that I will make using the Install OS X El Capitan.app at the time of install. I have a question ...
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29 views

How to repair bootcamp after partitioning for triple boot

I already had El Capitan and Windows running smoothly. I needed to add a partition so I could triple boot into Ubuntu. OS X and Ubuntu both work perfectly now but my Boot Camp side seems to have ...
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5 views

Cannot make a new partition out of empty disk space

El Capitain on a Macbook Pro 2012. I have more than 100GB of empty (unpartitioned) space on the main hair drive but the Disk Utility does not allow me to partition it. All the controls (partition name ...
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29 views

Lost access to partition in a Fusion Drive Mac OS 10.11.5

Lost access to the boot drive with name Mac Mini, Logical Volume A6452696-4CBC-4909-81C4-9B636940587A, size 1.1 TB Mac OS X El Capitan 10.11.5 Can't mount it, can't delete the volume in Disk Utility ...
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36 views

How to repair a drive after accidentally changing the partition scheme?

I was using the Boot Camp. Somehow I managed to change the GPT partition scheme on my external hard drive to a MBR partition scheme. Below is the output from the command sudo gpt -r -vvv show /dev/...
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11 views

Macintosh HD partition only 90gb

I was trying to delete my Windows 10 partition but there was an error with bootcamp saying that I couldn't delete the partition. I booted into single user mode and typed the command /sbin/fsck -fy ...
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2answers
80 views

Unable to recover disk space Mac OS X EI Capitan

I deleted one partition on my mac and now I am not able to recover that space. diskutil list shows below output. Here I see total space is 500 GB and size of Yosemite(installed El Capitan on it) is ...
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12 views

WD Passport USB 3 Drive HSF Journaled is recognised but the drive won’t mount

I accidentally ran Recovery Disk Assistant on my USB HD .Then the Hard drive stopped mounting or showing up in Disk Utility . It showed up in terminal though On Googling i found gdisk to be the ...
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1answer
13 views

Trouble With Partitions

I'm trying to download an update for a program I use frequently. The program can only run on a non-case sensitive file system, so it can't run on my main partition. I partitioned a second drive that ...
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12 views

Cannot expand Macintosh HD after deleting Linux partition

I recently deleted an Ubuntu (ext4) partition on my MacBookPro11,2 in order to reexpand my OS X partition to take up the whole drive again. This is how my partition table looks like at the moment: ...
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2answers
52 views

Triple booting a modern Macbook (early 2015) with Bootcamp in EFI mode

So I need to have Windows 10, Linux and OSX on my Macbook pro early 2015 along with a shared data partition. There are several articles on the internet that say Boot Camp only works in so called "...
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1answer
37 views

Can the identifier of a partition be changed without modifying the partition?

Currently when I try to use BootCamp Assistant on 10.11.5 it gives me the error "The startup disk cannot be partitioned or restored to a single partition." My drive only contains the necessary ...
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19 views

How to fix Toshiba external hard drive with missing EFi system partition?

I plugged my sister's Toshiba hard drive into our TV. After I unplugged it and plugged in back to our computer it says that the disk cannot be read so I tried to repair it using the Disk Utility on ...
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2answers
24 views

Can't create a new partition on an external drive's free space

I have a USB2, 500GB external hard drive that I use for Time Machine backups. In order to test something, I created a new partition in the drive, roughly 30GB in size. Once I was done with my tests, I ...
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1answer
68 views

BOOTCAMP no longer listed as Device in Finder, but can boot into it on startup

How can I get BOOTCAMP to be listed under Devices in Finder so that I can go into it and view the files there? I can boot into BOOTCAMP as normal on startup but in OS X, Finder does not list BOOTCAMP....
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27 views

Bootcamp and Windows Recovery Partition

Currently I am running Windows 10 on my MBP with bootcamp. In OS X, in disk utility, there is an "Untitled" partition of ~ 450MB. Upon closer inspection using disk management in Windows and the "...
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1answer
24 views

Cannot resize Macintosh HD using (supposedly) available free space

I partitioned my hard drive in order to install Ubuntu, but I now would like to reclaim that space and add it back to my Macintosh HD. I managed to delete the Linux Filesystem and Swap, and Disk ...
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46 views

Windows 10 Bootcamp Partition Unseen By OS X

I've look around here and Apple's support community, but can't find my exact issue. I recently reinstalled Windows 10 to my MacBook Pro (Mid 2012), added a partition to start on installing Linux, and ...
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26 views

Do I need unallocated space in my 2015 MacBook Pro Retina 13"?

System Info: OS X El Capitan, Boot Camp Windows 10 Pro, 256GB SSD I extended my BOOTCAMP partition by 32 GB a couple of weeks ago using MiniTool Partition Wizard. I followed a few simple steps: ...
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11 views

Can I backup Photos in an exFAT partition?

Searching this question on the web one can find many sources affirming it shouldn't be done and some saying it's okay. I wanted a technical explanation of the reasons Photos libraries shouldn't (or ...
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27 views

Lost disk space

I was creating a second partition. After a while the Mac didn't react. I forced-quit the Disk Utility. Now I have one partition of 556,24GB on my HD of 1,12TB. How can I get my lost space back?
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55 views

How do I expand the hard drive partition of an OSX guest OS in VirtualBox when the disk has been enlarged?

My host system is running OSX El Capitan 10.11.5 and VirtualBox 5.0.22 r108108 Using the information found in another answer, I was successfully able to extract an ISO of my host operating system and ...
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1answer
70 views

Expand OS X partition

I am using a Mac (OS X 10.10.3) that has a Windows and an OS X partition. From Windows, I shrunk the Windows partition using diskmgmt.msc freeing up about 60 GB. I would like to expand the OS X ...
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56 views

I deleted Windows 10 Boot Camp partition but Mac still boots to Windows

I recently installed Windows 10 via a partition from Boot Camp Assistant but had a lot of issues with it; mainly the fact that after about 10 minutes of using it Windows crashed and took me to a blue ...
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1answer
59 views

How to repair HFS+ partition?

So somehow my 2013 Retina MacBook Pro's internal SSD went and got its partition map messed up. I was using it, put it to sleep, and when I woke it back up about an hour later I was presented with a ...
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61 views

How can I make dd not copy empty space when copying a partition to an image file?

In my scenario, I wanted to use dd to copy the contents of a Windows 10 USB installer onto an image file to test if it works. The original windows 10 image was only about 5GB. The newly created image ...
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44 views

How can I safely create a partition to an already bootable drive

I already asked this question on Apple's community forum, right here, so I'll post the answer here if something comes up there first. This is my problem : I recently bought an external drive of ...
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69 views

Freecom HD Freecom 1TB encryption “A partition, not a whole disk, is required for this operation”

I have a Freecom HD Freecom MG (1000GB, Aluminium) which I wish to use as a Time Machine disk. I tried to encrypt the disk but got the error "A partition, not a whole disk, is required for this ...
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41 views

How to format a partition for bootcamp without to partitioning all drive?

I'm trying to install a Windows 10 in my MacBook Pro 2012 with El Capitan. I am now in the step that Bootcamp will create a volume for Windows installation. My MacBook got two internal (physical) disk ...
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2answers
64 views

El Capitan can´t see or remove partition but it shows up in Terminal

EDIT: managed to reformat the partition to JHFS+, after accidentaly creating another partition i merged the new and the old one i dint want, then it let me merge all of them together. I created a ...
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28 views

External Hard Drive Size Problem

I recently bought a 4 TB Seagate Desktop Expansion external hard drive. However, after formatting it with Disk Utility the device still says 4 TB but the capacity says 1.8 TB. What is going on?
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60 views

BootCamp partition error even though my drive is one partition

I am attempting to install Windows 8.1 on my machine (a mid 2014 MacBook Pro running El Capitan) and I keep running into a BootCamp error in the first step that says The startup disk must be ...
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1answer
70 views

Drive unmountable FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFFF issue

I have the standard single drive inside my MBP. The issue is inside my external usb drive. The HDD had 4 (visible) partitions: My Passport (Core Storage volume) 959 gb SSD (backup for my mbp) 339 ...
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1answer
42 views

How to Rescue OS X without Visible Startup Disc?

I need to delete refind but I cannot do it because I bypass it, since I cannot see visible startup disc. I stopped partition process where I tried to erase Linux partition because of infinite time in ...
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1answer
51 views

Bootcamp - Lost 200GB as Bootcamp froze on “while partitioned” for 5~ hours

I was installing Windows 10 via Bootcamp on my iMac (27-inch, Late 2013) running OS X El Capitan - Version 10.11.4. What happen was yesterday Bootcamp froze on "while partitioned" for around 5 hours....
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1answer
40 views

Recover deleted partition space

I am having the exact same issue when it comes to not being able to reclaim space as in the answered question below... Reclaim hard drive space from deleted partition and reclaim Apple bootloader I ...
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30 views

Bootcamp will not let me partition Windows 7

I am trying to Partition my mid 2010 macbook to boot in windows, and so far nothing seems to be working for me. I am using bootcamp assistant and following the very simple instructions, but once ...
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1answer
84 views

CoreStorage Volume not detected

I had a Linux/OS X 10.11 dual boot configuration and wanted to remove the Linux partitions. I managed to remove them without any issue but when trying to merge the free space with the OS X partition ...
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1answer
92 views

How to Make OS X Partition Smaller?

System: SIP disabled, Macbook Air 2013-mid, about 120 GB SSD, 8 GB DDR3. My current disk state OS X portion I want to decrease OS X portion and move it to other but trying to startup partion, I ...
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112 views

Can't delete/merge my partitions on OSX

Yesterday I tried to install Win10 through bootcamp, but it couldn't install it on the premade partition. Eager as I was i meddled with the partition scheme during the installer but with no result. ...
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42 views

Cannot boot into offline recovery partition in El capitan

I removed Boot Camp, then every time I use CommandR my Macbook Air starts Internet recovery. The weird thing is that the recovery partition is still there. Note my Internet connection is only 512kb/...
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50 views

Moving Recovery HD partition to end of disk

This is my current partition map: $ diskutil list /dev/disk0 (internal, physical): #: TYPE NAME SIZE IDENTIFIER 0: GUID_partition_scheme ...
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49 views

I repartitioned the Bootcamp drive using Windows' Disk Management and can't boot into OS X anymore

I have 13 inch MacBook Pro 2012. I successfully installed Windows 8.1 via Boot Camp Assistant and necessary drivers. But I made a big mistake by adding a second partition on the Windows side with the ...