Skip to main content

All Questions

Tagged with
Filter by
Sorted by
Tagged with
0 votes
1 answer
6k views

Windows can't see "Macintosh HD" under Boot Camp

I bought a new iMac (Retina 4K, 21.5-inch, 2017, with macOS High Sierra 10.13.5) and used Boot Camp to install Windows 10 on it. The Boot Camp drivers seem to have been installed successfully, and ...
user31708's user avatar
  • 101
0 votes
1 answer
94 views

How do I consolidate all my partitions into one partition usable for Bootcamp?

I've been having an issue with Bootcamp recently after I deleted my Windows disk due to a driver issue that was unfixable. I figured I would just do a fresh install of Windows, but little to my ...
Mike Dang's user avatar
1 vote
1 answer
305 views

How do I merge the 8 GB of "free space" on Macintosh HD under Logical volume group into Macintosh HD?

I did some partitioning using bootcamp 6.0 to install windows that left a 8 GB of free space with cannot be restored normally, How do I get it back? The diskutils cs list shows: Last login: Sat Jul ...
xXREKTERxX's user avatar
4 votes
1 answer
157 views

I want to triple-boot Lion, El Capitan, and WIndows. Howto?

I have a late-2011 MBP that currently has two operating systems on it. Those two operating systems were Windows 7 and Lion, for a long time. However, I have to use Yosemite (or newer) for some ...
Yashoor Yabetcha's user avatar
0 votes
1 answer
419 views

Expand OS X partition

I am using a Mac (OS X 10.10.3) that has a Windows and an OS X partition. From Windows, I shrunk the Windows partition using diskmgmt.msc freeing up about 60 GB. I would like to expand the OS X ...
mntruell's user avatar
0 votes
1 answer
2k views

Missing Space on Drive using Core Storage after Boot Camp Assistant Failure

Using Boot Camp Assistant, I started to create a 50 GB partition, but it hung on partitioning. After waiting about 30 minutes without the progress bar moving, I quit the Boot Camp Assistant, thinking ...
Alan Norton's user avatar
0 votes
1 answer
278 views

Lost hard drive space to Boot Camp

Boot Camp caused ~200 GB of my 750 GB HD to disappear and I cannot re(un)-partition it through Disk Utility and when I try to reformat the storage through the terminal using: diskutil cs resizeVolume ...
Ethan Allnutt's user avatar
3 votes
1 answer
1k 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 (...
Matt's user avatar
  • 205
3 votes
2 answers
6k 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 ...
Philip Kuo's user avatar
1 vote
3 answers
4k views

How to make Macintosh HD size the same as SSD

So today, I tried dual-booting my late 2013 rMBP on El Capitan with Windows 10. I got to the step within Bootcamp where it was partitioning my SSD, and I went ahead and played a game of Super Smash. ...
Graham Grable's user avatar
1 vote
1 answer
840 views

Reclaim SSD space from deleted partition

I have a very similar problem to one that was answered here, but I don't know how to apply the answer to my mac. MacBook Pro 15", Late 2013, 2.3GHz/16GB/512GB, Yosemite 10.10.3 I was attempting to ...
user148341's user avatar
3 votes
1 answer
5k views

Restoring Fusion Drive after error on partition erase

I think I'm lost and need some help with my Fusion Drive. I have new iMac Retina 5k with 3TB Fusion Drive and preinstalled Yosemite. Things I did so far: I was working on my iMac and had ...
Greg Bobrowski's user avatar
1 vote
3 answers
2k views

Reclaim disk space from old Windows partition?

How do I reclaim the disk space used by my former Windows partition? Clear free space in Disk Utility So I recently removed Windows 7 from my iMac, but Bootcamp didn't let me do it. I used Disk ...
user128889's user avatar
2 votes
1 answer
16k views

How to fix the error: "This disk doesn’t contain an EFI system partition"?

I get the following error and cannot start Bootcamp after accidentally deleting the EFI-partition of my main drive. This disk doesn’t contain an EFI system partition. If you want to start up your ...
fanjavaid's user avatar
  • 121
3 votes
4 answers
8k views

Booted to Windows how do I enable access to a Mac CoreStorage volume?

I've installed Windows 8.1 with the Boot Camp Assistant on a solid state drive with a CoreStorage volume. Booted to Windows I can't see the files on my Mac volume anymore. I'm confused since this is ...
dzu's user avatar
  • 31
2 votes
2 answers
5k views

How do I regain unaccessible free space after a failed Boot Camp install on a non-Fusion drive?

Firstly - I know this has been answered, but I am hoping for a more broken down answer, as I am not quite so technically minded, but I can follow instructions! So in summary I have tried to install ...
Christopher Heyworth's user avatar
1 vote
1 answer
857 views

Can't delete partitions after attempting BOOTCAMP on my iMac 5k

I recently tried to install a bootcamp instance of Win 7. The install failed for some reason. This left me with a partition that I can not access via Disk Utility If you notice..the +- can not be ...
Omaer Sheikh's user avatar
1 vote
3 answers
3k views

Clear free space in Disk Utility

So I recently removed Windows 7 from my iMac, but Bootcamp didn't let me do it. I used Disk Utility instead. The old Windows 7 partition now shows up as free space. I want to reinstall Windows 7 again ...
Deuce55's user avatar
  • 13
9 votes
4 answers
86k views

Restore Macintosh HD to its original partition configuration

I seem to have badly botched a Boot Camp installation of Windows 8.1. I used Boot Camp Assistant to create a 200 GB BOOTCAMP partition on my 1 TB Fusion Drive. I then rebooted and failed to install ...
Eric's user avatar
  • 231
1 vote
1 answer
598 views

Is it possible to have multiple filevault2-activated partitions on one disk?

What I would like to have: A disk with the following systems on it: OS X 10.8 (FV2-encrypted) OS X 10.9 (FV2-encrypted) Windows 7 When I try to start FV2-encryption on my secondary partition, OS X ...
n1000's user avatar
  • 7,844