Creating a new disk formatting scheme or altering an existing scheme

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0
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3answers
6k views

Unable to Partition a new Macbook Pro

As a brand new Mac user this might be my naivety or an issue with the OS. I bought a new Macbook Pro today and wish to partition the disk to allow Windows to be installed and Linux too. I was ...
0
votes
1answer
29 views

Resizing a 100GB Recovery HD Partition

Some time ago, I used BootCamp to set up a partition for Windows 7 on my MacBook Pro (13" late 2014 if it matters) so I could dual-boot. I have since removed the partition using BootCamp, but still ...
0
votes
0answers
12 views

Macbook Air (2013), 10.11, & Bootcamp Problems

So I have a mid 2013 Macbook Air and I have it running 10.11. I have had a Windows 7 partition running in parallel (not the program) that I created using Bootcamp a couple months after I bought it. ...
2
votes
1answer
15 views

Can't create/adjust/delete a partition

So I wanted to create a new partition to test the new El Capitan operating system. But I'm unable to create a new partition, the '+' sign is greyed out. This is what I have currently configured for ...
0
votes
1answer
8 views

Can't re-enable FileVault after growing `system` partition

I recently disabled FileVault in order to grow my system partition. This ended up being rather more complicated than expected, but it worked out in the end. Now that I have resized the system ...
0
votes
1answer
49 views

Resizing system partition

When I installed OSX Mavericks, I left free space after my system partition in case I wanted to install a second OS there. This has proved unnecessary — I've never modified the partition table — and ...
2
votes
3answers
4k views

Restore Recovery HD partition from Yosemite downgrade

I recently got back to Mavericks from Yosemite, everything went fine. As I normally do, I checked my HDD with the Disk Utility and found some trouble, then I boot on recovery mode to fix my HDD. I ...
2
votes
2answers
7k views

Can't partition startup disk in Mavericks for Boot Camp

I recently upgraded my computer to Mavericks (I believe I have the latest version, 10.9) and I've been trying for 2 days now to install Windows via Boot Camp on my computer, but it always fails at the ...
2
votes
0answers
108 views

Can I keep my Boot Camp partition when moving to a larger hard drive?

I just bought a 512 GB hard drive to replace my 250 GB hard drive, which currently has a Boot Camp partition (pretty vanilla, just running a standard Windows 7 install). I was planning to just clone ...
0
votes
1answer
42 views

How many partitions should I make and what formatting schemes should be used on those partitions?

I am thinking of buying a 2 TB WD My Passport Ultra External Hard drive and I'll be using it with both OS X and Windows. I am planning to use this drive for my Time Machine data backup after creating ...
1
vote
1answer
1k views

How could I install Boot Camp drivers to my Windows partition?

I've finally figured out how to install Windows without any stray network connection errors or invalid .iso file errors, but I've run into a bit of an issue. The Windows partition doesn't have any ...
0
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0answers
55 views

diskutil resizeVolume noob

Back story : After I installed Windows with Bootcamp, I wanted to make another partition where I'll install Linux, but couldn't do that from Disk Utility because I found on the internet that ...
0
votes
1answer
7k views

How to merge two Mac partitions?

Recently I ran Boot Camp Assistant to install a copy of Windows 7. The "Partitioning Disk" process froze and I force quit it - I know, bad idea - and although I was left with a functioning Mac, I ...
2
votes
1answer
29 views

Cannot partition Macintosh HD

Pre P.S. From what I read online, sharing your UUID is not really a security issue, but if I just basically shared my social security number, please do tell. Before I ask this, I'm a PC person and ...
9
votes
4answers
14k views

Bypassing Boot Camp to install Windows using a non-standard partition scheme

My new Retina MacBook Pro is on its way, giving me time to contemplate setting it up. Good thing I got started—I had no idea how difficult it was going to be to install Windows and create an auxiliary ...
1
vote
1answer
26 views

Software to duplicate external hard drive formatted ExFAT

I have an external hard drive with a 2.9TB ExFAT partition that I keep my photos and other media on. (ExFAT so that I can also see and edit my media on Windows computers.) I just bought a second hard ...
0
votes
2answers
36 views

MacBook Pro not booting, lost partition

I have a big issue with my MacBook Pro (OS X 10.10.4). I tried to enable yesterday the TRIM on my SSD disk (a Crucial I replaced myself). Everything was working fine since months but after restarting ...
0
votes
0answers
30 views

Is there any way to reattach an 'orphaned' Windows installation?

I have a Windows installation in a partition on my hard drive. The problem is, it's not showing up when I startup holding alt. I installed Windows through VirtualBox, linked to a physical partition ...
2
votes
1answer
116 views

Boot Camp partition broken and can't be repaired in OS X 10.10.4

Suddenly my Boot Camp partition vanished: not visible in Finder, not visible on startup. In Disk Utility I can see the volume, but it's broken (verification log): Verifying volume "disk0s4" Verifying ...
0
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0answers
19 views

Boot Camp partition corrupt and unmounted [duplicate]

After update 10.10.4 (presumably) I've lost my BOOTCAMP partition. Can not see it in Finder nor on startup. Disk Utility cannot fix it. Even from recovery mode.
1
vote
1answer
25 views

Can files be exchanged between FAT32 and HFS+ partitioned drive?

I just got a LaCie 1TB external hard drive and I have a MacBook Air with OS X 10.8. I often exchange movie and music files with friends that have PCs. If I were to partition my drive to have 250 ...
0
votes
0answers
25 views

Windows 7 partition on a 2013 iMac won't boot

The Windows 7 installer doesn't support my USB controller, so I'm unable to use my keyboard and mouse in the installer. This prevents me from using any tools on the installer to fix the boot process. ...
0
votes
0answers
42 views

Recover hard drive after allocating partition from Windows?

I reinstalled Yosemite on my Mac to have more free space for Windows since I don't use OS X. After the installation, I partitioned the OS X partition and made an unallocated space. I then switched to ...
1
vote
1answer
35 views

Cannot delete windows partition from mac

I want to remove Windows from Mac and the I know the simple way is through the Boot Camp Assistant. But that doesn't work for me as follows: However, when I try to merge the partition of windows ...
2
votes
2answers
3k views

Resetting MBR on iMac

I installed Ubuntu on my iMac (partially successfully) I had rEFIT installed but it did not recognize the Ubuntu installation. I removed the partition and rEFIT and now when I attempt to install ...
3
votes
2answers
5k views

diskutil coreStorage in Lion fails to create a concatenated LVG, error -69886

I would like to create a logical volume group (LVG) with two physical disks. Issue The command: diskutil coreStorage create LVGNAME /dev/disk1 /dev/disk2 returns: Started CoreStorage ...
0
votes
1answer
23 views

How to reformat a USB to not be a bootable operating system

I recently created a bootable USB from a .img file, here's what the USB looks like: And this is what it looks like in Disk Utility: Is there a way to reformat this USB to just store files?
2
votes
2answers
2k views

How to fix messed-up MacBook disk partition table?

I have broken the disk of my Mac doing partitions with gparted. Now, nothing boots (except pendrives) and the OS X Rescue Disk recognizes the disk as Virtual Whole Disk. Nothing works, repairing or ...
-1
votes
0answers
19 views

How does my core drive have less storage available than the partition?

When I open Disk Utility, I have a core drive and a partition underneath it. But the core drive shows only 19 MB of storage left. on the other hand, the partition shows 55 GB free. My computer is slow ...
1
vote
2answers
2k views

Merging partitions separated by Bootcamp

In the process of installing windows on my MacBook Pro, I managed to somehow partition the disk this way. Is there any way of merging the UNTITLED 3 segment with the Macintosh HD segment without ...
0
votes
2answers
4k views

Repartition hard drive with bootcamp on it

I currently have this setup on my Mac- OS X Mavericks 10.9.3, Windows (bootcamp) and a Recovery HD. My question is can I repartition my hard drive to have another partition, using disk utility (resize ...
5
votes
1answer
15k views

I deleted my Bootcamp partition but can't resize my OS X partition

I didn't realize this would cause issues, but I used Disk Utility to delete my Bootcamp partition and then tried to resize my main partition to fill the disk. This causes an error and I searched for ...
0
votes
1answer
85 views

Why does Disk Utility show “Macintosh HD” on both Logical Volume Group and the volume underneath?

After performing a clean install of Yosemite (erasing the entire disk using disk utility during installation), the original name of the disk (APPLE HDD HTS547575A9E384 Media) turned out to be ...
0
votes
1answer
25 views

Mac mini hard drive recovery w/ encrypted partition

My Mac mini failed recently, and after taking it to the Apple store, they said it was the logic board that failed, and it would be $350ish to replace, which was not worth it to me, so I took it back. ...
3
votes
3answers
1k views

Erasing partition doesn't give me free diskspace

I'm using a Macbook Air and until today I had two partitions on it (not counting the restore partition). I had my OSX partition and an Ubuntu partition. As I don't use Ubuntu anymore, I decided to ...
1
vote
0answers
18 views

I cannot make new partition after the boot camp

Before I use the boot camp I can make as I want partitions But after I use boot camp I cannot make any new partition any more!! after delete the boot camp I can back make new partition but if I use ...
0
votes
1answer
5k views

Cannot boot into Windows after Yosemite Reinstall

When Yosemite went live to all users, I updated but a week later I wasn't happy with the performance of the mac and certain apps. So I installed the OS from scratch, I made a backup, erased the ...
0
votes
0answers
25 views

Corrupt EFI Partition or Error b/c of Encryption? & Ghost Partition

I have a 2012 Mac Mini Server with two internal SSDs. Until recently, I had Mt. Lion installed on one of the SSDs, as my only boot drive, and used the other, rarely, for file storage. I created a ...
10
votes
4answers
16k views

Resizing or expanding a CoreStorage volume

I bought a new SSD with 750 GB and made two partitions: 600 GB and 150 GB. The smaller one was thought to be a Bootcamp partition one day, but to date it was just another unused partition. When I ...
1
vote
1answer
24 views

How to expand partition into free space that lies before it

I would like to expand my "journal" partition to include the free space that lies (logically) before it on the drive. How can I do this without losing the data in "journal". I have a few more ...
2
votes
2answers
45 views

Disk Drive Partition: Single vs Multiple

Just for my curiosity and knowledge, from a Software and Hardware stand point prospective, what are the pros and cons of creating 2 (two) partition and saving OS X + Applications on one partition and ...
0
votes
1answer
31 views

What is a “standard” boot camp partition setup?

I am trying to upgrade to 10.10(.4) - currently I am at 10.9.5. I had previously done some "creative" :) partitioning of my rMBP SSD - everything was working fine, running Boot Camp as well. ...
0
votes
0answers
22 views

HD corruption - OS X partition now thinks it's FAT

Well, I've got myself in a bit of a pickle here. I have been trying to do creative (unsupported, of course :^) things with my rMBP. I had been using multiple partitions successfully with OS X 10.9.5 ...
0
votes
1answer
38 views

Unable to change volume size on WD My Passport Wireless

I have been trying to partion my WD My Passport External harddrive that has already got data on it. All of the guides I see on the internet tell you to resize the current volume to do so. I don't have ...
2
votes
4answers
5k views

Boot Camp Assistant crashes when partitioning drive (exception: EXC_BAD_ACCESS)

I run Mountain Lion, a fresh install, brand new Macbook Pro. HD: Samsung 840 Pro 512 GB SSD. When trying to go through Boot Camp Assistant / Setup it works fine until it wants to repartition my ...
13
votes
3answers
26k views

Is it possible to install and boot Windows on a Thunderbolt drive?

I know the BIOS emulation of the EFI firmware in Macs does not support booting from FireWire or USB drives, and the EFI version of Windows doesn't seem to be compatible with Apple's EFI ...
4
votes
4answers
37k views

How can I mount partition disk0s4 that became inaccessible after a clean installation of Mountain Lion?

The hard drive on my MacBook Pro has two partitions. One with the OS and the other with data. Yesterday, from a USB boot drive, I performed a clean installation of Mountain Lion to the OS drive. I ...
3
votes
1answer
14k views

Black screen when installing Boot Camp?

I recently did a complete wipe of my late 2009 MBP and restore using a Time Machine backup, so I would have uninterupted space at the end of the drive for creating a Boot Camp partition. The Boot Camp ...
0
votes
1answer
2k views

How to use “diskutil corestorage revert lvuuid” on Yosemite if disk says it is not reversible?

I would like to make a partition for Linux. Here's what diskutil coreStorage list gets me (identifiers omitted): CoreStorage logical volume groups (1 found) | +-- Logical Volume Group ...
2
votes
1answer
382 views

Configuring SSD over-provisioning on Mac OSX

I'm in early investigation stages of adding a SSD drive to my MacPro. Fragmentation problems can lead to serious performance problems on an SSD. There are a couple answers to this problem: TRIM - ...