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Questions tagged [partition]

Creating a new disk formatting scheme or altering an existing scheme

5
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1k views

Time Machine and case-sensitive HFS

Time Machine defaults to formatting a new drive to Journaled HFS+ (case-sensitive), if you set up the drive from within Time Machine itself. However, my main drive (the one Time Machine will be ...
4
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0answers
2k views

Whats wrong if 'Invalid BS_jmpBoot in boot block: 000000'

I have a corrupted partition and upon trying to repair it with disk utility it gives the error Invalid BS_jmpBoot in boot block: 000000 Several postings on the internet describe this problem related ...
3
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0answers
236 views

lost Mac OS X partition after resizing bootcamp

Recently I tried to resize my bootcamp partition. I first resized the Mac osx partition to a smaller one with diskutility and appended this space to the bootcamp partition from within windows 10 (with ...
3
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0answers
489 views

FileVault 2 Boot camp Partition

I have seen several different answers to this question and so I am a bit confused. If I enable Filevault 2 upon setup of my 2016 Macbook pro and THEN create a windows partition for boot camp, is the ...
3
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0answers
33 views

Grey unusable area in Boot Camp partition on OS X Mavericks

I have a 500 GB MacBook Pro 2014 with Boot Camp installed (OS X Mavericks and Windows 7) with both OS's booting correctly. I need more space in Windows, so I want to resize the Mac partition to ...
3
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0answers
670 views

Can't mount encrypted HFS volume

I have an external hard drive that is partitioned as a single encrypted HFS+ volume. Here's what's going on: The volume won't mount, Disk Utility won't repair it. diskutil cs list says: However: ...
3
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0answers
314 views

After trying to install Kali Linux I can't access macOS anymore

I've tried to install Kali Linux as dual boot with macOS. I've partitioned 20 GB on the side from 250 GB for that purpose but the installation didn't go as planned. So I decided to reboot macOS and ...
3
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0answers
143 views

Recovering Corrupted Partition Table on Time Machine HD

I had a loss of power while I was restoring some data from a Time Machine backup. When I brought the computer back up, my 4TB drive was unusable, with OS X prompting me with a dialog that stated 'The ...
3
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0answers
1k views

BootCamp: error occurred while partitioning disk. Disk Utility's First Aid says volume is OK

I'm trying to set up a Win10 partition on my late 2013 rMBP through Boot Camp Assistant, however I'm getting stuck on partitioning: Then after heading to Disk Utility, I try using the First Aid ...
3
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0answers
2k views

macOS Sierra won't install and complains on the disk

After downloading and running the installer, I met with the problem when the installer is asking "Select the disk where you want to install macOS". My default OS X disk which runs El Capitan normally ...
3
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0answers
55 views

OS X El Capitan renames Windows volume on every boot by appending increasing numbers to the volume name

I have installed Windows on a separate hard drive on my MacBook Pro running OS X El Capitan. OS X is running on an SSD and Windows is on another physical hard drive. I named the other hard drive ...
3
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0answers
1k views

Is it safe to convert Core Storage partition to HFS+?

I just got my new Macbook Pro, I tried to make two new partitions using Disk Utility but I could only create one. After googling I found out that I can't create more than one additional partition in ...
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0answers
1k views

How do I write-protect a partition of a USB drive on OSX that can work cross-platform?

I bought a bunch of USB sticks that I want to give as a gift to friends and clients, with some files on them. I'd like to have the files non-erasable (though I realise they can format the drive, I ...
2
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0answers
18 views

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 ...
2
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0answers
23 views

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 ...
2
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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 ...
2
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0answers
242 views

Bootcamp - can't save Windows support software, not enough space on available disk

So I keep getting the above error at the following step, Downloading windows support software - OK Partitioning disk - OK Copying windows files - OK Saving windows support software - ERROR I have ...
2
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0answers
62 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
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0answers
15 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 ...
2
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0answers
174 views

Hard-Drive Storage size issues after partition Disk Utility

I wanted to create a partition on my iMac for Windows to be able to play Windows games. I have used Disk Utility to create a 20GB partition on my 1,12TB Fusion drive. This caused a problem on my ...
2
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0answers
934 views

How to rebuild a GUID partition table in a APFS file system SSD?

I looked at other answers for similar questions but not one works for me (maybe because the APFS). I have an external 1 TB SSD with two APFS volumes. Somebody plug my hard drive into a Windows 10 PC ...
2
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0answers
100 views

Boot Partition suddenly inaccessible

I've run into quite a problem - my Mac (mid 2015 21.5" 4k iMac, running Mojave) cant find my boot partition (disk0s2). I've made some headway, it previously just showed it as FFFFFFFF-FFFF-FFFF-FFFF-...
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0answers
83 views

Option to boot into Windows missing after Boot Camp Assist

I just completed installing Windows using Bootcamp Assist. I allocated 30 GB to the Windows partition. The process completed after taking a long time (> 7 hours), and a Bootcamp partition has been ...
2
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0answers
656 views

Bootcamp stuck at partitioning disk, lost half my disk space

recently I attempted to install windows on a macbook air 13’ mid 2014 256GB using boot camp. It was going well until it got stuck at the partitioning disk step, the blue loading bar was full and my ...
2
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0answers
32 views

Can't reboot from external HD after partitioning

I was able to boot from my external HD formatted in Mac OS Extended until I partitioned it with Disk Utility. According to Disk Utility the Mac partition is still bootable but the drive no longer ...
2
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0answers
521 views

Mounting a single partition dd image in macOS?

Using testdisk, I have made what is apparently a dd image of a single HFS+ partition (what was originially /dev/disk1s2, I think). Now I try to mount this image file, but seemingly I cannot - even if ...
2
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0answers
80 views

Recovering SSD after Ubuntu live USB corrupted partition table?

I'm running a mid-2012 MBP with a WD green SSD inside. I needed to install Ubuntu for university so I tried to do so via a live USB. While doing the installation I accidentally clicked on the option ...
2
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0answers
51 views

Creating a Windows installation media using a partitioned hard drive

I have a 1TB external hard drive that I have partitioned 10GB of (WINBOOT). I want to use that 10GB portion as installation media for Windows 10 with Boot Camp Assistant. However, when I go to make ...
2
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0answers
811 views

How to access a fusion drive from ubuntu linux by mounting apple core storage

my iMac with 3TB fusion drive won't boot anymore. even when booting to recovery it crashes with kernel panic. the stack trace says com.apple.driver.Corestorage dependency com.apple.iokit....
2
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0answers
205 views

Bootcamp assistant hides partitions to windows?

macBook pro mid 2014, High Sierra, Windows 10, Ubuntu I used Bootcamp assistant to resize one unique partition to make space for Windows NTFS partition, then I used Windows disk manager to resize ...
2
votes
0answers
135 views

Boot Camp Windows installation interrupted by an error. Disk divided into 2 different containers. I am unable to combine them

My disk was only 1 part. I tried to install Windows using Boot Camp. I followed the steps mentioned on the official Apple website, but I got an error message while installation. When I checked my ...
2
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0answers
81 views

Lost space on hard disk after partitioning

I have a iMac 27" Late 2013 with 3TB Fusion Drive running macOS High Sierra 10.13.3. I want to install Windows 10 through Bootcamp but it always hangs on partitioning the hard disk after I choosing ...
2
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0answers
38 views

Format a partition to NT and lose access to partition

I have a 2 TB external drive. It contains two volumes (disk2s1 & disk2s2): ~ diskutil list /dev/disk0 (internal, physical): #: TYPE NAME SIZE ...
2
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0answers
28 views

Mount partitions/images with Linux filesystems

I've created a local image of the drive of a hosted VPS by using dd over ssh (ssh user@123.45.67.89 "dd if=/dev/vda " | dd of=/Volumes/Backup/droplet.img). mount shows that macOS supports afs, hfs, ...
2
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0answers
104 views

dual boot window 7

I'm trying to use boot camp to dual boot windows 7 with mac. but i get this error "An error occurred while partitioning the disk. Please run Disk Utility to check and fix the error." I run disk ...
2
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0answers
96 views

My question is about recreating Corestorage partitions - formatted Fusion drive

I have an iMac 27" with a Fusion Disk (SSD 121 GB, HDD 1 TB) and Mac OS X 10.7 (Lion) installed. The HDD failed and the Fusion Drive is lost (Lions recovery diskutil: disk missing - fix/ignore) ...
2
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0answers
98 views

Failed Bootcamp partitioning bricks drive -even after reinstall

Been looking everywhere online, could only find references to Lion and Yosemite, with one unsourced page (macOS + Windows 10 + shared data partition) saying that all the old methods would no longer ...
2
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0answers
107 views

Recover deleted Encrypted OS X Volume

I'm in the same situation as Recover deleted Encrypted OS X Extended volume but the recovery process did not work, understand there still a potential way to fix this but I need to view part of the ...
2
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0answers
401 views

Can I split an internal FUSION Drive (HDD/SSD) into an HFS+ and APFS partition?

I have a late 2014 27-inch 5K Retina iMac, with a "Fusion Drive" composed of 1TB HDD and a 120GB SSD. This particular Mac has Yosemite (10.10.5) installed. In order to do some testing of High Sierra,...
2
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0answers
439 views

reformat a GPT external HDD to MBR/exFAT

I am currently looking for a solution (if it exists) to change my external 4 TB SATA HD from a GUID Partition Table to an MBR with an exFAT volume. I did not see an already answered solution but if ...
2
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0answers
185 views

External drive uninitialized after changing partition scheme failed

I was recently trying to partition my external drive into two parts, but I seem to have accidentally broken the partition table by trying to make the empty (1.7TB) part of the disk into a new HFS ...
2
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0answers
3k views

Why I'm getting “macOS can't repair the disk”

I'm using Macbook Pro Mid 2012 on Sierra. It has two partitions without OS partition. Four times those 2 partitions getting corrupted(can't copy files). And I tried to repair disk, And got this ...
2
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0answers
398 views

SSD not being recognized by ubuntu linux 14.04 and mountain lion machines

My question is as the title suggests. I have extremely important data in my samsung evo SSD that was in my macbook, and I got too overconfident while doing some repairs and didn't back it up..:( So ...
2
votes
0answers
319 views

Boot Loader show 2 Windows partitions, old and new

I went through the steps using BCA to create my USB installer and partition my drive. Everything went fine, ended up messing up after a successful install and decided to wipe the partition and start ...
2
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0answers
283 views

Installed Windows 10 through Boot Camp but it is not showing up and is taking up space

I installed Windows 10 through Boot Camp on my 2015 MacBook Air. It has 150GB of storage and after restarting and holding option, the Windows partition doesn't show up. I went back into OS X and the ...
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0answers
247 views

Lost Partition on External Hard Drive When Setting Up Time Machine

I had an external hard drive with two partitions (Thing1, Thing2). Thing1 contained manual file backup data and Thing2 was empty and was my targeted drive for Time Machine. I opened Time Machine and ...
2
votes
0answers
124 views

How to restore GPT partition after Disk Utility partitioning

I have an external HD with a bootable version of my macOS 10.8.5 system. I recently updated to macOS 10.11.6 and with Disk Utility I wanted to add a partition to my external drive to have a separate ...
2
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0answers
47 views

ExFat HDD changed to NTFS after power interrupt

I installed on my iMac with Sierra the Paragon NTFS tool. I copied some files from NTFS to the ExFat partition and then suddenly the mac was hanging and rebooting. I was sure it wasn't good for the ...
2
votes
0answers
809 views

Bootcamp won't boot after resizing partitions

I know this question has been asked a lot, but my situation seems to be a little different than most of the others I have been reading about. I haven't been able to find a solution that could fix this ...
2
votes
0answers
395 views

MBP SSD Deep Formatting Problem - Will Format as FAT32 but fails as HFS+

My MBP SSD crapped out the other day, I'm pretty sure it was user error (too full). I was able to run my emergency OS via external drive and collect my files, but had difficulty deleting them from my ...