Creating a new disk formatting scheme or altering an existing scheme

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17 views

How to increase Macintosh-HD main drive partition size?

In my mac mini, It’s containt 500 GB HDD. It is a four partition and size described below. Please review below attached image. 1. Macintosh HD - 150 GB Main Drive 2. D-Drive - 125 GB 3. ...
2
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1answer
49 views

How to create a FAT16 partition on an SD card with OS X El Capitan?

I want to prepare an SD card for use in an old camera using CHDK. The card needs to be FAT16 formatted. This doesn’t work from Terminal anymore, maybe already for years. Disk Utility provides ''FAT'', ...
1
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0answers
24 views

A new ExFAT partition prevents bootcamp from starting windows

I'm trying to create a shared partition that I can use from both Windows and OS X. I made a new partition, but if I make it FAT or ExFAT Windows does not start. I get Error code: 0xc000000e. I assume ...
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0answers
26 views

Need help fixing hard disk partition map

I have a 500GB Samsung 840 PRO SSD drive. Until recently it was the primary hard disk in my Macbook Pro (late 2011 17"). I got a 1TB SSD which I decided to use as my primary drive instead, and put the ...
0
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1answer
29 views

How to partition a pen drive with Disk Utility in El Capitan?

I've a 16 GB pen drive and I want to partition it like this: two MBR partitions: FAT - 1GB default (HFS Plus journaled) - remaining. How to do this in El Capitan?
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25 views

Delete button for partition not clickable in Disk Utility

I had another partition on my MacBook where I had Windows installed (the partition is called BOOTCAMP). I am not using Windows at all any more, so I would like to delete the partition on my hard disk ...
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0answers
21 views

Way too many disks in rEFInd?

I'm using rEFInd on my mac that is installed on its own partition. Everything works fine except when I boot into rEFInd (the "EFI Boot" option under the disk selection menu on startup) it shows my OS ...
0
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1answer
27 views

How to mount ufsd_NTFS partition

I have a USB disk and when I try to mount get the following error mount: /dev/disk3s1: unknown special file or file system. diskutil shows /dev/disk3 (external, physical): #: ...
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1answer
61 views

Cannot use Disk Utility to create partition from free space on external USB drive

I have a 3 TB Western Digital red disk in a USB hard drive dock. The drive is GPT, and I have two volumes on it (one volume is "Microsoft Reserved", other volume is NTFS). The other part of my drive ...
0
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1answer
38 views

How to remove partition on SD card using a Mac?

I got Raspbian on a SD card, and then accidentally wiped it. Now I have 2 visible partition. How do I get rid of the partition on a Mac.
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0answers
54 views

How to restore my Macbook Air thoroughly without a OS X recovery partition?

I brought my Macbook Air(Mid 2015) July 2015. Then I started endlessly installing different linux distributions on it. One day, I make a mistake and my OS X recovery partition was deleted. Now I ...
4
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1answer
75 views

Remove Ubuntu and grow Mac partition

I'm new to the whole Mac world, and the first thing I did when I got my MacBook Air 2015 was I installed Ubuntu, but have regretted it now and want to remove it and get my space back into the Mac ...
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1answer
25 views

External drive is damaged and freezes my Mac. Any way to recover?

I'll explain everything in a clearer way. I have a WD My Passport Studio external hd, since a while it's impossible to read it and here's the symptoms: When I mount it and try to open the main ...
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0answers
40 views

Delete bootcamp from my Mac HD

I've been trying to install Windows onto my Mac but it didn't work. It shows me an error after it was installing, I click on formatting the Bootcamp on the drive where they asked me where I wanted my ...
0
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1answer
71 views

Ghost partition, Windows BSOD

Today I was trying to set up Windows on my MacBook Pro (15", Late 2011) over BootCamp. I used the modified Info.plist-trick to create a bootable Windows 8 USB-drive and create a Bootcamp partition. ...
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2answers
39 views

Missing disk space after repartitioning

I tried to make a partition and then tried to undo it. Now, I don't know how to get the missing disk space back. As you can tell, I have 751.28 GB disk. Macintosh HD and Recovery HD have 557.4 GB. ...
3
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1answer
82 views

Accidentaly converted from a basic disk to a dynamic one

I got a MacBook Pro (13-inch late 2013 retina) So I installed Windows 7 using bootcamp and all was fine. I then needed to create a 32MB FAT16 partition, when Windows prompted me to convert to a ...
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0answers
30 views

Recover deleted filevault2 partition

I accidentally deleted my partition with my main OS. The partition is FileVault-encrypted. I formatted the hard drive while starting from an external OS X. I am using Mac OS X Yosemite. I still know ...
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0answers
38 views

El Capitan issue reclaiming Free Space using Disk Utility

This morning I attempted to remove my BOOTCAMP partition of size 65gb. I believe I was successful in that the BOOTCAMP partition is no longer bootable and the disk space was erased. However, I am ...
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0answers
57 views

Can't make new partition due to error “volume Macintosh HD was found corrupt and needs to be repaired”

When I run Disk Utility on my 2012 MBP (SSD, running El Capitan) I sometimes get the error: The volume Macintosh HD was found corrupt and needs to be repaired. Other times, I get no errors. ...
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0answers
6 views

Unmount disc (partition) on connection [duplicate]

When I connect my external harddrive, I don't want my "Dual Boot" partition to show up.
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0answers
12 views

El Captain Partition removal won't work

I want to remove a partition but the disk utility won't let me and I can't figure out why. Here is the terminal output I want to remove the untitled partition I have created a backup... If I start ...
0
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1answer
18 views

MacBook turned off during Time Machine initial back up - What do I do?

My external hard disk was partitioned to 3 partitions and one of which (300 GB) was set up with Time Machine. The initial back up started and was 3 hours through (around 65% of 211 GB complete). I ...
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0answers
26 views

Regain access to OR get rid of Windows, Linux partitions

(Note: this question is regarding an early 2015 MacBook Air (256 GB 2.2 GHz) running OS X Yosemite 10.10.3) I have happily been running my laptop dual booted with windows - installed as 8.1 Pro, ...
0
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1answer
31 views

Disk utility will not allow me to resize a partition on an unencrypted external hard drive

I want to back up a copy of Windows onto a new partition of external hard drive currently formatted in exFAT. I don't know how to use Windows, so I want to use my Mac (mid-2009 MacBook Pro, running ...
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0answers
23 views

Unable to boot into mac or bootcamp

Installed bootcamp and wanted to share files with the mac side. One of my friend told me to create a FAT partition so that I can share files between mac and windows easily. I was stupid to create a ...
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0answers
79 views

Reclaim unallocated disk space on El Capitan?

So I decided to dual boot Ubuntu and OS X using rEFInd a few month ago. I originally partitioned about 15 gigs for Ubuntu, but I later decided I didn't need that much space. I used a live stick to run ...
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0answers
58 views

bootcamp - stuck at “Partitioning Disk”

I tried to quit bootcamp, open recovery mode then verify & repair disk and both run smoothly without any problem. But when I run bootcamp, the process always stuck at this same point I have ...
0
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1answer
40 views

Can I enable FileVault and then partition my hard drive later?

I just bought a 2014 MacBook Pro with a 512GB SSD. I updated to El Capitan today and when it booted up for the first time, it asked me if I wanted to enable FileVault. I chose not to because I wasn't ...
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2answers
76 views

Fusion drive is not working although the system can find the SSD

I own an iMac late 2013 with a fusion drive. Recently I installed Windows 8.1 using Bootcamp on a separate partition on my disk. After a few days, the booting process of OS X started failing and I had ...
0
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1answer
64 views

El Capitan Fat32 partition problem

I have a strange problem in El Capitan. I have a second internal drive which is divided into two partitions: one Fat32 and one HFS+ Journaled. I do not see this drive in console when I type diskutil ...
0
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1answer
79 views

Problem with 3 TB Fusion Drive, it can't be deleted, formatted or partitioned

I want to clarify that I already followed the instruction with I think I messed up the Fusion Drive on my 1TB iMac (with BootCamp) but I think I have mayor problems. I followed the instructions to ...
3
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1answer
224 views

Are all installations of OS X (10.8+) Case Insensitive (by default)?

I'm going to be getting a refurbished machine and rather than keep my current OS (10.6.8), I need to upgrade to at least 10.8, in order to be able to communicate with devices that use iOS 9 (since you ...
1
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1answer
167 views

Missing Mac partitions - unrecognized file system

Apparently, I installed Windows 7 via bootcamp and created a new partition in Windows (which probably affected the partition table). After restart, I can't see Macintosh HD in startup disk (it only ...
1
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1answer
27 views

How to create a new partition on FileVault disk on MacOS

I have a 500GB disk on MacOS encrypted with FileVault 2. I have successfully resized the disk to 250GB. Now I want to create another partition to install another MacOS on the 250GB free-space of the ...
0
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1answer
47 views

How can I encrypt a disk where diskutil cs convert reports “a problem”, leaves disk unreadable?

I'm trying to encrypt my Time Machine backup volume, but diskutil refuses, and leaves the disk unreadable (but repairable using Linux). How can I proceed? It's a Western Digital Elements 107C 3TB ...
0
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1answer
160 views

How do you fix missing partition on OS X El Cap?

After trying to install Windows 10 via Boot Camp, my Mac automatically rebooted (supposedly to the newly created Windows partition). However, it just booted back my OS X 10.11.2. When I went to Boot ...
1
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1answer
105 views

Can’t increase partition size of cloned volume in Mac OS X 10.11 (El Capitan)

I have a MacBook with a 120 GB SSD. I bought a new one with 240 GB. I cloned the content from the old one over with an ICY BOX cloning device. I inserted new SSD in the MacBook and everything is fine ...
3
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1answer
34 views

Not able to get a partition that fills SSD

I installed a 512GB SSD in my Macbook Pro. Unfortunately, I cannot seem to get a partition over 256GB. I tried a couple of time to erase it in recovery mode but it does not work. I just want one big ...
0
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0answers
45 views

How to recover corrupted HFS+ partition in external HD?

I've got a 1 TB SeaGate FreeAgent Drive with following partitions: 700 GB ExFAT (labelled as FREEAGENT1) 300 GB HFS+ (labelled as FREEAGENT2) While moving data from 1 to 2, it got accidentally ...
0
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1answer
184 views

Bootcamp: 'No Bootable Device error' after resizing partition El Capitan

I have a Macbook Pro (Retina 15 inch end 2013) with OS X El Capitan 10.11.1. I have Bootcamp on it to run Windows 7, always using it without any problem. I wanted more space on the Bootcamp partition ...
1
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1answer
212 views

Can't see FAT32 and NTFS external partitions on OS X El Capitan when SIP is enabled

I've installed Homebrew, FUSE for OS X and NTFS-3G. It helped to see external partitions (FAT32 and NTFS) when SIP is disabled (OS X El Capitan). But when SIP is enabled, I can't see NTFS and FAT32 ...
2
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1answer
73 views

BootCamp can't partition

I had a problem with my Macbook that couldn't read the internal SSD and boot OS X, but I solve it: MacBook does not mount, does not boot, does not read drive . I used resizeStack method to get the ...
0
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2answers
123 views

EFI system partition repair

I'm having a problem with the internal SSD on one of my Macs running 10.10. It was working fine when I was browsing the web one day and then suddenly froze with the spinning beachball; I couldn't ...
0
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0answers
49 views

How To Perform External USB Disk Clone

This question is similar to this one: Partitioning Software I have two WD 2TB external USB disks. The first is formatted for use as a backup disk for a Windows 7 netbook. Mac OS Disk Utility does ...
2
votes
1answer
104 views

Expanding a Fusion Drive partition

I created a partition on my Fusion Drive when I first purchased my iMac running Yosemite, and I would like to now resize that drive ("Data" in the screenshot below), but Disk Utility doesn't allow it ...
3
votes
1answer
141 views

I erased the partition where Windows 10 was previously installed. How can I merge it with my OS X partition?

So I started up Disk Utility and erased my BOOTCAMP partition and set the format to OS X Extended (Journaled). This is how my partitions look like now: As you can see, I have a BOOTCAMP partition ...
0
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1answer
50 views

How do I fix a corrupted USB drive on OS X?

I accidentally bumped the drive while repartitioning it and it unmounted. After that when I tried to repartition with Disk Utility I got Partition Failed with the error: Could not open device Now I ...
1
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1answer
25 views

Attempting to dual-boot Windows on late 2011 Mac but the partition number is greater than 4

I'm not sure what I'm supposed to do here. For some background knowledge, my late 2011 Mac does "not have UEFI firmware and the ability to boot Windows installers from USB flash drives until the ...
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2answers
120 views

Can't reformat SD card (Yosemite)

I have a 2 GB SD card that I can't reformat. It seems pretty corrupted. If I go into Disk Utility, I get these various error messages for each option: Repair Disk: Disk Utility can’t repair ...