Creating a new disk formatting scheme or altering an existing scheme

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2answers
4k views

How to partition an SSD that fails with error 69888 - couldn't unmount disk?

I erased the SSD drive in my MacBook and was reinstalling Lion when it failed about 75% through the install. Now in Disk Utility, sometimes I see the SSD drive and sometimes I boot and it's not there ...
4
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4answers
25k 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 ...
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1answer
2k views

HD accidentally reformatted to MBR, how to get back to GUID?

So in trying to create an MBR partition of my hard drive which I could then use to boot a solaris-derivative OS using rEFIt, I messed up. Rather than a hard drive with a primary GUID partition map ...
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1answer
2k views

Can I make my bootcamp partition bigger without formatting it?

Is it possible to increase the size of my Windows partition without having to wipe the entire thing?
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1answer
2k views

Why is the Mountain Lion Installer unable to complete due to recovery partition problems?

I just bought the Mountain Lion upgrade, but it's unable to complete. When I select my harddrive it says: Some features of OS X Mountain Lion are not supported for the disk “kollaps”. ...
2
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1answer
5k views

Add Home Folder Hard Drive to Favorites and Desktop

I just reinstalled my Mac, thinking I'd give OS X Mountain Lion a try. In my system, I have both a regular HDD with a partition Storage and a SSD. On the SSD, I've installed OS X, and now transfered ...
2
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1answer
363 views

Restore partition from merged partition

I accidently merged my BOOTCAMP and Mac OSX Partition via diskutil. Is there any way to recover my data from the Bootcamp partition?
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1answer
360 views

Repartition my existing hard disk

First time Mac user here. I'm quite aware with all the posts here about repartitioning hard disk but I'm quite confused if repartitioning would erase all my data on my hard disk. I recently bought ...
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4answers
63k views

How to fix broken EFI partition?

I have an iMac running OSX Lion. I also installed bootcamp and Windows 7. During the install of Windows 7 I wasn't paying complete attention and deleted and formatted the EFI partition. I didn't ...
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1answer
5k views

How to create a hidden partition on a hard drive?

I have created 3 partitions on a hard drive. I've tried renaming the partition with a dot in front, however it seems that the OS doesn't allow that. How to make one of the 3 partitions hidden to the ...
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3answers
7k views

“Partition failed with error: Couldn't unmount drive”

I am trying to create a new partition so I can install Windows through Boot Camp. I boot into recovery mode using my Recovery Assistant USB and no matter what I do, when I try to resize my drive and ...
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1answer
350 views

How to get Time Machine disk to backup itself?

How to get Time Machine disk to backup itself (ie, non-Backups.backupdb on the Time Machine disk)? Specifically: I moved my /Users folder to a separate parition, a parition that also houses Time ...
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0answers
269 views

How to keep /Volumes symbolic links from getting auto-deleted?

I moved my /Users directory to a separate disk/partition (to get it off my SSD boot disk) as per this post. However, some things (like double-clicks of .html files to be viewed in a an Opera browser) ...
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1answer
189 views

Using OS X Lion on a main SL mac - use USB key instead of partition?

I need some advice. I am new and non-techy so please could you help me on a simplified level. I am running Snow Leopard on my Mac which I am happy with. I will upgrade to Mountain Lion later but I ...
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3answers
612 views

Any partition software just to partition unused space?

Currently I have one portable external hard drive which I use for Windows. It's 1TB and over 300GB is used space. I would like to partition it so I can access the unused space from my Mac. Can you all ...
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3answers
20k views

How do I delete a BootCamp partition using Terminal's diskutil?

For some reason, the BootCamp Assistant app won't let me delete my BootCamp partition. How can I do so using Terminal and the diskutil terminal app?
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2answers
541 views

Is Time machine able to restore my Windows Partition?

I have 2 partitions on my computer. One with mac os x, another for Windows XP. I want to replace the disk with another one and I wanted to know if Time Machine will be able to restore the Windows ...
2
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1answer
977 views

How can I fix my GPT?

I just migrated from a 120 GB SSD drive to a 600 GB SSD drive. As I was lazy and didn't want to reinstall Mac OS X (Lion), I chose the following migration path: I created at GPT on the 600 GB target ...
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1answer
551 views

Bootcamp not working after partitioning Macintosh HD

I installed Windows 7 using bootcamp on my Early 2011 MBP. I gave 130GB to Win7 and rest to Mac HD. Once all was done, I created a new partition within Mac HD. The partition was created successfully ...
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2answers
8k views

Can I remove Recovery HD partition?

We replaced the hard drive with a Patriot SSD in our iMac at work. I messed up while cloning the drive to the new SSD using a GPartEd CD. Everything works but there is about 40 GB unpartitioned that I ...
3
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2answers
963 views

Delete swap partition

I made a swap partition to install Ubuntu on my MacBook Air 2011, but now I want to clean all the partitions up. However, I can't delete the "swap partition" in Disk Utility. Can anyone help me?
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1answer
894 views

How to clean up partitions after OS X is moved from HD to SSD

Yesterday an Apple Certified Macintosh Technician installed an SSD into my iMac medio 2011. The iMac was born with an 1TB HDD but now a Crucial M4 SSD is also installed inside the mac. I've moved my ...
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1answer
2k views

How to move boot and recovery partition from HDD to SSD

Today an Apple Certified Macintosh Technician has installed an SSD into my iMac medio 2011. The iMac was born with an 1TB HDD but now a Crucial M4 SSD is also installed inside the mac. I've moved my ...
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1answer
1k views

VMware Fusion virtual machine from a local partition

When you have a Windows partition on your system, VMware can see and boot a virtual machine from partition. However, with other OS X and Linux partition, there's no such option. Is there a way to ...
3
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1answer
240 views

Why can't I make the partition use the full 500 GB availiable?

I can't seem to make my Mac partition utilize the full 500 GB that I have available. It only uses 243.47 GB. It looks like my hard drive is somehow split into 2 sections: Any ideas on how I can ...
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1answer
2k views

Partition MacBook Pro with Mac OS X Lion using Disk Utility

I've just bought a new MacBook Pro with Mac OS X Lion. The problem started when I tried to divide the hard disk into more than 3 partitions, so I erased the existing partition and tried to divide the ...
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1answer
1k views

Multiple-partition hard drive on Airport Extreme

Is there a way to have multiple partitions on a hard drive plugged into an Airport Extreme? I have a 3TB hard drive, and would like a 2TB partition for storage, time machine backups (mac formatted), ...
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3answers
17k views

Boot into Mac from Windows after failed Bootcamp

Don't hate on me too much for this one... I put Win8 on my Mac Mini using Bootcamp, and all was well. I switched back and forth a couple times between the two with no problems. The problem started ...
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0answers
2k views

Disk Utility Error Message - Missing EFI + MediaKit

Previously setup was with 2 partitions, one for normal use while the other had the Lion Install ESD on it, used when I installed some time ago. The other day my machine suddenly shutdown and when I ...
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1answer
2k views

Why does Disk Utility create EFI partitions on external disks?

A technical told me about the EFI partition that... ...it's only there in case your computer will do an EFI update so the update files can be loaded onto the EFI partition. This is consistant with ...
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0answers
604 views

Can't resize shrunken boot partition to fill empty space

I needed to make room on my Windows 7 partition to install a new program, so I did some searching on how to resize a partition and it told me to shrink the OSX side and then expand the Windows one ...
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2answers
821 views

Backup Mac OS partition to NTFS: are there any drawbacks?

I need to backup Mac data into our NTFS storage partition. Are there any issues/drawbacks I should consider?
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4answers
104 views

How to find where files reside on a partition

I'm trying to use Bootcamp to install a Windows partition. But it gives this error message. I remember there was a program that let you see where all the files are on the partition and how much ...
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3answers
13k views

Can't read my Windows (Boot Camp) partition from OS X

I have a Boot Camp problem. Both OSes boot correctly, but when I'm in OS X, I can't access my Windows partition and vice versa. I know that I can't write, but it should be able to read. But I can't ...
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3answers
528 views

Triple boot (Lion, Win7, Ubuntu)

I currently have my MacBook Pro set up to dual boot OS X Lion and Windows 7. I am in the middle of a development project where I need to write some custom software that depends on proprietary drivers ...
0
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1answer
762 views

Is it possible to repartition hard drive from which Mac OS X boots?

I have the following problem. I wanted to have dual boot to Ubuntu, so I've created 3 additional partitions using BootCamp (I probably created freespace with Bootcamp and then used Ubuntu installer to ...
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3answers
15k views

How to create HFS partition on Windows 7 machine

I've got Windows 7 running on my computer and I would like to partition my D: volume, make it HFS+ but I cannot find any tool that will accomplish this. Anyone had done this before? Is it possible? I ...
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3answers
3k views

How do I merge System partition with another HFS+ partition without data loss?

My hard drive is split in three visible partitions: System, Data and Backup. I'd like to merge System (OS X Lion) and Data into one partition without data loss. Disk Utility won't let me resize the ...
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1answer
3k views

Can I move Applications to another partition?

My Startup disk partition is just 20 GB and I'm running out of space. What's the safe way to transfer Applications folder to the other partition? Can I just move all apps into a folder on the other ...
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votes
3answers
18k views

How can I get an unreadable Flash Drive to work?

I got this pretty cool flash drive as a gift and I can't seem to use it. Every time I plug it in, a pop up comes up that says: The disk you inserted was not readable by this computer. I opened up ...
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1answer
2k views

How can I delete my Windows partition and add the space back to my OS X partition?

I use Bootcamp to install windows 7 on separate partition (200 GB for OSX & 50 GB for Windows) Now I decide to delete my windows and want my 50 GB partition back and stick to the 200 GB ...
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1answer
369 views

how do I turn free space into a useable partition?

I have read a few answers to this sort of question already, but don't know how to do it. I had some problems with my partitioning, it seems the operating system has been somehow installed on bootcamp, ...
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1answer
309 views

Restoring a Boot Camp image with Windows 7 and making it bootable?

I have an image of Boot Camp with Windows 7, which was created by Carbon Copy Cleaner. I didn't realize that the image wasn't bootable until I had already deleted the partition. I'd like to restore ...
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7answers
8k views

Partitioning secondary internal hard drive failure

Looks like my 2nd HDD became a brick. I tried to partition it via Disk Utilities/booted from recovery partition/diskutil to no luck! I got vague/strange errors such as: unable to unmount, or: ...
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1answer
2k views

Reinstalling Lion OS using recovery , will it erase my other partition(s) data?

I am about to re-install OS Lion on my MacBook Pro. But before that I want to make sure that my data in other partition created, will that be lost to? Example I have 3 partitions 1)Macintosh HD (OS ...
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2answers
2k views

Unable to create a partition to install Mac OS X

When I try to install Mac OS X there is no partition for me to choose. I tried to create a partition and got the error, "Partition failed with the error: Couldn't unmount disc." Anyone have a clue? ...
2
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1answer
1k views

Partition HD for triple boot (or move Apple_Boot Recovery HD from a primary partition)

I want to triple boot but I'm running into a problem I ran out of primary partitions. Currently using rEFIt bootloader chooser or whatever it is called, from what I understand it is not a bootloader ...
2
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1answer
182 views

Partitions in Mac

Recently I got a Mac mini with OS X 10.7 installed. Right now it has one 500GB hard disk. What I want to know is wheather we can partition the hard disk like on Windows. I would like to save my ...
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3answers
9k views

How long should Boot Camp formatting selecting drive take?

I'm trying to install Windows 7 using Boot Camp Assistant. Now the boot camp is on task "Formatting the selected drive" and it has been going on three hours and it is not even on the half way. How ...
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2answers
7k views

How can I partition my Macbook Pro's hard disk?

I'm about to install Linux on my new Macbook Pro. In order to do this, I need to resize my Mac OSX partition to allow some free space for Linux. I've booted into the Recovery HD and started "Disk ...