Creating a new disk formatting scheme or altering an existing scheme

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523 views

Resize 'Macintosh HD" into unallocated space vacated by Bootcamp partition

I have a Boot Camp partition on my MBP. When initially setting up the Boot Camp installation I set this partition to be quite large but now I wish to utilise more of that space in the Macintosh HD ...
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29 views

Is there any way to boot from my BootCamp Partition after installing Ubuntu MATE?

So I've been running BootCamp on a 13-Inch Late 2007 MacBook for a while now using these instructions and everything was working fine. (Of course, I still have my Mac Partition.) However, yesterday I ...
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0answers
43 views

Time Machine Partition gone from external hard drive, can't repartition

I've got a 1TB external drive which used to have two partitions: One formatted in NTFS to share files between Mac and Windows, and one for Time Machine Backups. I haven't used it in quite some time. ...
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1answer
484 views

Mac Crashes During Boot Camp Assistant Disk Partitioning

The other day I was using Boot Camp Assistant to partition my 2015 MBP to dual-boot Windows 10. I came back to discover my Mac was had just crashed and rebooting. I knew this could have gone very ...
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1answer
226 views

How to format multiple exFAT partitions on USB drive?

I'm following the instructions in Creating a bootable Clonezilla dual partition USB device but using my Mac laptop running El-Capitan. I managed to create an MBR partition table and two partitions on ...
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0answers
41 views

I can't boot my iMac to Mac OS X

I have Windows (Boot Camp) installed. So I ran out of storage and thought about partitioning my Mac's part of drive. I partitioned my Mac's drive and set Windows to boot by default. Once I lost ...
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51 views

EFI Boot icon on startup menu

I completely removed Boot Camp partition from my MBP (by DiskUtil). Everything is OK, but now when I start the system with the boot menu I see the "EFI Boot" icon instead "Windows" drive. What does it ...
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44 views

MacPro internal HD unreadable when moved to external USB Dock - and vice-versa

Since I just installed a NAS, and I want to transfer several TB from my Mac Pro's internal hard disks (4 of them), I wanted to make it faster by connecting those hard disks directly to the NAS using ...
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1answer
213 views

Crashed when creating a partition - now missing drive space!

Just a couple of hours ago, while I was taking a GNU course, I decided to create a partition on my SSD to have ubuntu installed, meanwhile the disk utility was doing that, suddenly it just crashed and ...
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1answer
67 views

Cannot extend partition after failed bootcamp install

I got an error while trying to install Windows 10 on my Mid 2014 Macbook Pro via Bootcamp Assistant. The error occurred whilst partitioning the disk: Your disk could not be partitioned. An error ...
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1answer
161 views

Windows 10 will not boot anymore

Urgent! I have an existing Windows 10 installation via Bootcamp which has been on my Mac for months without issue. However for ages I have been wanting to read my Mac partition from Windows which it ...
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1answer
257 views

How to change the “Recovery HD” partition to type “Apple_Boot”?

Typing in the terminal diskutil list gives me this... /dev/disk0 (internal, physical): #: TYPE NAME SIZE IDENTIFIER 0: GUID_partition_scheme ...
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90 views

Cannot either mount or repair greyed out partition

As a likely symptom, I started boot camp earlier in today to install a dual boot Windows on my machine and the install/remove Windows option was greyed out and I could not select it. After that, I ...
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2answers
2k views

Can't Delete Partition

I created a partition to run Snow Leopard on my computer running El Capitan and no longer need it. I allocated 20GB to that partition. Here's what I've done. I first go into Disk Utility, select my ...
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1answer
250 views

Cannot unmount disk0 resource busy

I am unable to wipe my hard drive and install new OS X as the resource is busy. I would imagine this is because I have Recovery open on this disk and that's why it is busy. I've tried: diskutil ...
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1answer
577 views

Partition Map Failed Because No Slices Were Found

I have an external hard drive that I've used with my Mac for years, with no issues. Today I tried to plug it into my work PC to get some files off it (Windows 8), and it wasn't recognized. I tried to ...
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1answer
423 views

Mac won't boot Windows partition after using disk utility

I needed more space on my Windows partition... So I used Disk Utility to free up some space from the OS X partition, and upon restarting to Windows in order to add the free space to windows, I ...
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1answer
72 views

Boot Into Recovery Partition After Installing Linux.

I want to install Linux on my mid 2014 Macbook Pro for educational purposes. However, I don't want this to be permanent. I've tried to partition the hard drive and install both OSs but I have not ...
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0answers
68 views

Free space not showing in Disk Utility after Boot Camp Error

I recently tried removing my Bootcamp partition via the Boot Camp utility. It gave me an error and did not restore my OSX partition to full size. I tried going into Disk Utility to manually restore ...
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0answers
33 views

Unsuccessful installation of Win 10 via Boot Camp

I've tried to install win 10 using Boot Camp but something went wrong, win installer couldn't create partition so I've canceled the process. Now I'm missing ~80gb of space and I have no idea where ...
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433 views

Boot Camp fails on iMac late 2015 2TB Fusion drive

After one week of try and error I need your help! I'm trying to install Windows 8.1 via Boot Camp on my iMac. What I have: - late 2015 iMac 27", 2TB Fusion drive, OS X 10.11.1 - Windows 8.1 64-bit ...
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1answer
28 views

Splitting Partition On External Drive

I have a 1TB external drive with three partitions: FAT32 for extra storage (~500GB) Ubuntu (~499GB) Linux swap space (~1GB) I want to boot to rEFind and then to Ubuntu from any Mac; preferably ...
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0answers
7 views

How to fix bootable OS on Mac with Grub Rescue [duplicate]

Yesterday I installed Kali Linux 2.0 on my MacBook Air (runs El Capitan). However, after managing to run it, and exiting it, i couldn't find Kali on my laptop anymore. I forgot to install Refind ...
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148 views

Grub Rescue on Mac

I have a problem: yesterday I installed Kali Linux 2.0 on my Macbook air (runs El Capitan). However, after managing to run it, and exiting it, i couldn't find Kali on my laptop anymore. I forgot to ...
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0answers
362 views

How do I stop Winclone from trying to write to the MBR and write instead to EFI?

Using Winclone 3.4 I have received this error twice now, trying to restore a backed-up Bootcamp partition. "Updating MBR failed. See the system log for additional information." 11/22/15 ...
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1answer
276 views

Cannot delete partition (minus greyed out) - non-encrypted, no core storage

When trying to install Windows 10 from scratch on my Late 2013 MacBook Pro, I was unable to remove the old BOOTCAMP partition through the Boot Camp Assistant. I erased the partition with Disk ...
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42 views

Delete yosemite partition from dual boot with el capitan

I want to install El Capitan and dual boot it with my current installation of Yosemite. I know how to achieve that with 2 partitions. I just wonder: if, later, I want to delete Yosemite, can I just ...
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1answer
11 views

Transfer capacity between two partitions

I have created two partitions: System 850GB Data 150GB what I actually want is: System 200GB Data 800GB ...however, disk utility doesn't let me either merge these two partitions or transfer ...
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1answer
662 views

Messed up 1TB Fusion Drive Partitions (on iMac 5K)

Alright, so I did something stupid today, and I really need some help right now… So kinda like the situation in this post I think I messed up the Fusion Drive on my 1TB iMac (with BootCamp), I messed ...
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1answer
58 views

Did something wrong with partitioning my SSD

I tried to make a partition for Windows on my Mac by using Apple's Disk Utility, because bootcamp already showed me that it didn't work for some reason. But now I'm stuck with a 70 gb hard disk, and ...
0
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1answer
95 views

EFI automounts on startup

After upgrading to the newest El Capitan from 10.10. to 10.11.1 - I guess - the normally invisible EFI partition appears on the desktop as a regular volume on different machines, if I choose to show ...
0
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1answer
52 views

Time Machine offers to erase disk data (format), will it delete all my partitions?

So, I'm trying to perform my Macbook backup on my 3TB drive. This drive is currently has a GPT table with 4 partitions: BackupMain BackupKubuntu BackupWindows BackupMac Before BackupMain, there ...
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1answer
28 views

Corrupt Time Machine

I have an external disk partitioned in three /dev/disk1 #: TYPE NAME SIZE IDENTIFIER 0: FDisk_partition_scheme *1.0 TB ...
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21 views

Create secondary partition for Windows

Recently I installed windows 7 to iMac bootcamp. But how to create more partition similar to normal windows installation? I've read on article from apple said: Warning: Do not use other apps or ...
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125 views

Winclone 5 partition is not bootable

I have been trying to transfer my windows copy from my old drive to my newer drive. I used WinClone5 to do this, but when I booted it up, it just said this: ðR(a smiley face)NTFS And a blinking ...
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0answers
75 views

OS X won't start after converting Core Storage to HFS+

I followed this guide to convert my Core Storage partition to HFS+ in order to make my OS X partition visible in Windows 10. Now I can see the Mac partition in Windows but I can't start my computer ...
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138 views

Is there any way to add a NTFS option in the format list of Disk Utility in OS X EI Captian?

There are two partitions on my drive, one for time machine, one for storing files which are exFat format. I would like to get one minimal thing to support NTFS, I would like to create a filesystem ...
3
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1answer
3k views

Error when installing El Capitan: disk does not use GUID partition scheme, and I am unable to convert

I am running Yosemite version 10.10.5. I have a second partition running Windows 10. My main partition, running OS X, is formatted as Mac OS Extended (Journaled). I try to follow the instructions in ...
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3answers
1k views

How to delete original partition

I have a question regarding deletion of partitions on a Mac. Due to some performance issues, I decided to start fresh and created a new partition (NewOSX) on the hard drive, to which I have ...
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3answers
177 views

MBP Late 2011 15" Windows 10 Installation Problems

Just two days ago, the machine had a Windows 8 partition on it, but it was full of malware slowing it down and hurting it. I backed up all important files and formatted the drive, so to install ...
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34 views

Partition problems - No LVG detected in Terminal after BootCamp Erase through Disk Utility (I know, I messed up)

I'm very stuck trying to get my system to recognize a full HDD and run Yosemite cleanly after a poorly-executed BootCamp removal. Here's the steps in the process so far: I erased a Windows Partition ...
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1answer
59 views

Attempting to fresh install Ubuntu dual boot rEFInd does not recognize live boot

Attempted to do a fresh install of Ubuntu by following the procedure found here: Clean install Ubuntu on a dual boot with Windows I assumed that the fact that it was for Vista instead of OS X was ...
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2answers
114 views

System keeps booting into recovery after upgrading to El Capitan

I have (had) Maverics running under VMWare Workstation 12. Sadly I decided to upgrade to El Capitan. Now my system always boots into recovery (located at "/Volumes/OS X Base System"). I tried ...
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3answers
2k views

How to install Windows 10 on external SSD that currently runs OS X?

I made the mistake of purchasing a MBP w/ only 128 GB of storage. When I ran out of space on the internal drive, I purchased a 512 GB external SSD, transferred all the data over to the SSD, and now ...
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0answers
26 views

Macbook booting up in Recovery Partition by default after dual-SSD/HDD

I've installed a SSD, and cloned my earlier HDD OS X to it using Carbon Copy Cloner. Now, whenever I boot-up, the MBP by default boots to recovery partition. How do I correct this? How do I ensure it ...
2
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0answers
58 views

Blank screen after Bootcamp procedure

I'm trying to install Windows 7 using Bootcamp. My computer is a iMac with Yosemite. First challenge was create a USB Stick with Window Image, because my Bootcamp didn't give me this option. I ...
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73 views

Cannot delete Free Space on iMac 5K after I deleted Boot Camp partition with Disk Utility

I had Windows 10 installed via Boot Camp, and everything was running smoothly, except I did not think ahead when I had made the partition initially. So as I was using Windows more, I eventually ran ...
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1answer
42 views

Recover my lost data

I wanted to delete my Linux partition, but I don't know why my OS X partition was also deleted. So, I then reformatted the partition and installed a new OS X (Yosemite) on that partition. I am ...
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2answers
110 views

Configure MBP back to factory but with most recent OS

What I'd like to do is get my MBP back to an "out of the box state": fresh install, recovery partition. However, I believe my partition is for OS as it was on October 2013. What I'd like is a fresh ...
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0answers
70 views

Install rEFInd on separate partition (Errors)

I am trying to install rEFInd a separate partition but have run into an error. I'm doing this because I want to install Ubuntu on my other partition (separate from my Mac and and rEFInd partition). ...