Removed Boot Camp but cannot recover partition space

I removed Boot Camp from my MacBook Pro today and now am unable to reclaim the partition space (60 Gb) that was allocated to it. I was at 3% available space on the MBP partition.


I had originally been trying to reallocate the space using Camptune, but was getting an error message:


Mac OS X filesystem verification failed. Please, repair MAC OS X volume and try again.


I tried repairing the disk, but was not successful during several attempts earlier in the week.


Today, after doing some research here, I tried using Bootcamp Assistant, following advice from Altier499 and Niel (Open the Boot Camp Assistant in the /Applications/Utilities/ folder and return the drive to a single partition setup.) I got the following message:


Your disk could not be restored to a single partition. An error occurred while restoring the disk to a single partion.


When I clicked <OK> and then <Go back>, I got the following message:


The startup disk does not have enough space to be partitioned. You must have at least 28 Gb of free space available.


I deleted some files (got to 30 Gb free space) and after doing some research here, attempted a couple of other things. And now I must confess I'm not sure exactly what steps I took. Now, I'm left with:

  1. No Boot Camp showing in the MacBook Pro drives list (only Network, and Macintosh HD).
  2. Only 690 Gb of storage on my 750 Gb HD (of which only 31 Gb are still free)
  3. No ability to use Boot Camp Assistance to remove Boot Camp (I guess I did that somehow somewhere along the line), just to install Windows.
  4. No ability to access Camp Tune (I assume because I no longer have Boot Camp on the HD).


So… what do I do from here? This whole exercise was to restore the HD to a single partition so I would have all the space available for my Mac programs and files since I have a Toshiba laptop for the programs I need that aren't available on the Mac platform.


I was hoping not to have to wipe everything clean and restore everything. If I have to go that route, could someone point me to some instructions? I have Time Machine backups, the latest from last night, before I started this fiasco and comedy of errors.


Thanks so much for any help you can offer!

MacBook Pro, OS X Mountain Lion (10.8.5)

Posted on Dec 20, 2013 10:59 PM

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21 replies

Nov 21, 2017 12:42 AM in response to boxerpug

You can resize the space not inside Macintosh Hd by resizing it firstly you will need to open disk utility by going to: Applications > Utilities > open Disk Utility then resize the partision by going to Macintosh Hd pressing the partition button at the top then resizing it the smallest you can do it is 0.0613 Gb. User uploaded file

After doing it restart your computer otherwise you will think you've ruined it but you havent. I've done this and it works i'd recommend trying it.

Dec 20, 2013 11:03 PM in response to boxerpug

It looks like Boot Camp Assistant failed resizing the OS X partition, and that could damage the OS X filesystem.


This is a "common" problem and it can be fixed without wiping your hard drive. You just need to start up in OS X Recovery (hold Command and R keys while your Mac is starting up). After starting into OS X Recovery, open Disk Utility in the OS X Utilities window.


Now, choose your OS X partition in the sidebar (if you have not changed anything, it shows up as "Macintosh HD") and press "Repair Disk". Let the process finish.


Now your OS X filesystem should be repaired, so what you have to do is to resize your OS X partition to use all the hard disk space. To do it, follow these steps > http://pondini.org/OSX/**4.html


When you have finished, close Disk Utility and go to  > Restart

Nov 21, 2017 12:30 AM in response to boxerpug

You can try resizing the amount of space that is not in the mac os space by going to: Applications > Utilities >open Disk utility and under macintosh hd click partition at the top then resize it to be smaller. User uploaded file

I did this myself you will have 0.0613 Gb left in the partition you just resized but you will have pretty much all your space put back into macintosh hd except the 0.0613 Gb that was left.

Dec 21, 2013 1:09 PM in response to mende1

Thanks for responding so quickly to this, mende1. I've spent the last several hours trying to resolve the issue. I've followed both your instructions and those at the link you provide, but still no luck.


When I try to increase the partition, I get the message:


Partition failed. Partition failed with the error: Couldn't unmount disk."


I'm wondering if I had encrypted the Boot Camp partition. I don't remember having done this, but it was some time ago, so perhaps I did. Although I'm pretty sure that my disk is journaled, but just in case it isn't, I also tried this suggestion at the link you sent:


You cannot resize a partition that isn't journalled. To turn it on, select the partition and click the Enable Journaling icon in the toolbar, or select File > Enable Journaling from the menubar.


This option was greyed out, so I could not enable the journaling.


I see where it says "If you're familiar with UNIX and Terminal, you may be able to do this with the diskutil command." Having used DOS way back when, I'm not averse to trying Terminal. I guess though, I'm not sure what to do once I've typed in "diskutil" and I'm a bit reluctant to get caught up in commands I can't back out of.


Any other suggestions? Or am I going to have to bite the bullet, reformat the disk, and attempt a recovery from Time Machine? I did this with this particular drive about a year or so ago, when I replaced the smaller drive that came with my MBP. It was bradn new and the time, but haven't done it with a disk with data on it.


Thanks once again.

Oct 17, 2014 12:11 PM in response to boxerpug

I ran into a similar issue while using a 2nd partition to beta test OSX Yosemite. After deleting the partition, I was unable to resize the primary startup partition to occupy all the free space.

After hours of trying different methods, I discovered my problem. FileVault was turned on for my primary partition. This prevented DiskUtility from re-sizing and making new partitions.

I disabled it in System Preferences>Security & Privacy>FileVault

Once turned off, I rebooted. Then tried to re-size my partition. The partition was able to be re-sized without any issues. I am back to utilizing all the space on my hard drive.

Hope this helps for anyone else who may be running into the same problems and don't want to format their drive and start from scratch.

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Removed Boot Camp but cannot recover partition space

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