Questions tagged [partition]
Creating a new disk formatting scheme or altering an existing scheme
359
questions
15
votes
2
answers
14k
views
OS volume shows as type 'FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFFF'
Yesterday, I have tried to delete an Ubuntu partition. Since, my Mac (13", MBPro mid-2014) doesn't boot. Now, I boot on Mac OS copy with an USB.
i follow different subject of this forum (like this : ...
- 153
15
votes
2
answers
102k
views
How to install Windows 10 into a 2011 iMac without using the Boot Camp Assistant, an optical (DVD) drive or third party tools?
Note the following regarding user TAbdiukov's question which has a links to this question.
This question is about installing Windows 10 on 2011 iMac to achieve a macOS High Sierra / Windows 10 dual ...
- 39k
40
votes
8
answers
70k
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 ...
- 527
22
votes
2
answers
9k
views
Data Not Backed Up, Partition Type: FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFFF
I was trying to install Linux on my MacBook for class when I bricked my computer, which now in an unbootable state.
I made my partition too small, so I was going to delete and create a larger one. ...
- 223
9
votes
1
answer
12k
views
macOS partition startup Volume type FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFFF
I have encountered a nearly identical issue to the one in this question (and this too: Data Not Backed Up, Partition Type: FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFFF), but my hard drive's main partition is ...
4
votes
3
answers
50k
views
How to convert a drive from the GPT format to the hybrid GPT/MBR format when using High Sierra (macOS 10.13.2)
Previous versons of OS X and macOS automatically converted pure GPT drives to hybrid GPT/MBR format when the 2nd, 3rd, and/or 4th GPT partitions were formatted "MS DOS (FAT)" by the Disk Utility ...
- 39k
10
votes
4
answers
78k
views
I think I messed up the Fusion Drive on my 1TB iMac (with BootCamp)
this is a somewhat similar post to this one (Can't create partition on free space with Disk Utility) but not quite...
It started with me creating a BootCamp partition (around 145 GB) for Windows ...
- 145
24
votes
5
answers
168k
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 ...
- 385
11
votes
2
answers
5k
views
Can the data on an MacBook Pro SSD be recovered after formatting using Disk Utility
My MacBook Pro is going to a new owner and I want to be certain the data is adequately erased on the internal SSD (PCIe flash). There are two Stack Exchange questions/answers that appear to present ...
- 5,420
5
votes
1
answer
15k
views
Partition type suddenly FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFFF, drive unmountable
I have two drives inside my MBP, an SSD for the OS and the original HDD for large Data. The HDD has 3 Partitions:
My Data (Core Storage volume)
20Gb for Linux
4Gb for Linux Swap
Recently I ran ...
- 1,970
24
votes
4
answers
48k
views
How can I merge primary APFS partition with other empty APFS partition?
Using the latest Macbook Pro with currently High Sierra 10.13.1, I was using bootcamp for a year, and I decided to get rid of the Bootcamp partition this morning. The Bootcamp utility would not let me ...
- 433
7
votes
1
answer
5k
views
OS volume shows as type 'FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFF' after attempting to delete some Linux partitions—cannot log in
I was unable to just delete the partitions left by an old Linux Mint installation by pressing the '-' button in disk utility. I looked online and read that I could reformat them to a journaled format ...
- 73
6
votes
1
answer
20k
views
Boot Camp Assistance is stuck on create a partition?
I have a MacBook Pro, Late 2013. I have done a clean install of High Sierra macOS 10.13.3. I am trying to install Windows 10, Fall Creators Update, on my Mac by following Boot Camp Assistant's ...
- 303
3
votes
1
answer
5k
views
HFS+ invalid number of allocation blocks
Okay so a few days ago I wanted to install Ubuntu GNOME over regular Ubuntu and it gave me the option to automatically overwrite my Ubuntu installation (that I had on a separate partition from my OS X ...
- 147
7
votes
1
answer
22k
views
The startup disk cannot be partitioned or restored to a single partition. Windows 10 and Mojave
The startup disk cannot be partitioned or restored to a single
partition.
The startup disk must be formatted as a single Mac OS Extended
(Journaled) volume or already partitioned by Boot Camp ...
- 1,489
5
votes
3
answers
6k
views
Recover deleted Encrypted OS X Extended volume
I accidentally formatted an external 1TB HD to FAT file system using Disk Utility in Mac OS. The disk used to be HFS+ encrypted. Encryption was done when I created the OS X Extended partition, not ...
- 81
5
votes
3
answers
15k
views
How to install Windows 10 into a 2013 iMac without using the Boot Camp Assistant, USB flash drive or third party tools?
First of all, let me state the following. I did use the Boot Camp Assistant to download the Windows Support Software, but because of the iMac's drive partitioning, I can not use the Boot Camp ...
- 39k
4
votes
2
answers
16k
views
macOS partition disappered after installing windows 10 using bootcamp
I use a macbook pro 2015 with macOS High Sierra. I installed windows 10 using bootcamp, which resized the macOS partition and created a 80GB windows partition. The machine boots into windows just fine....
- 141
35
votes
11
answers
177k
views
Unable to Resize Partitions
I have recently created a partition on my macbook air running OS X 10.9, and this was to run install another OS instance (Yes, OS X 10.10 Yosemite, but that is an aside to the query I have) on it.
I ...
- 351
22
votes
3
answers
89k
views
Bootcamp: The startup disk does not have enough space to be partitioned
When clicking continue on the first Boot Camp screen, I am presented with a dialog that displays:
The startup disk does not have enough space to be partitioned.
You must have at least 39 GB of ...
- 952
18
votes
2
answers
46k
views
Reclaim deleted partition now Free Space after Yosemite removal
I've installed Yosemite in a second partition. Once I decided to remove Yosemite and go back to Mavericks, I am not able to claim the free space partition in the Disk Utility. How can I reclaim this ...
- 181
5
votes
3
answers
9k
views
APFS partition inaccessible, container missing
I'm running macOS Mojave on a late-2015 4k 21.5" iMac.
I have lost access to my internal hard drive, but I can use my iMac by running macOS from an external drive or through recovery mode.
When I ...
- 65
2
votes
1
answer
3k
views
Tried to fix filesystem type: FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFFF and probably made it worse
I have a MacBook Air 11 inch which I recently tried to install Linux on with a swap partition and a root partition. In my stupidity I used the “disks” program under “try ubuntu now” to delete the ...
- 23
22
votes
4
answers
422k
views
What is the 'Mac OS X Base System' disk image on my 2011 MacBook AIr?
On my 2011 MacBook Air with Mac OS X Lion, I boot into Recovery mode via holding the command-R key during startup, if I go into Terminal and do a diskutil list, I get a list of 12(!) logical disks. ...
- 353
8
votes
1
answer
11k
views
How to fix GUID hard drive corrupted to MBR
I am on OS X 10.9.5 with a late 2013 iMac.
I have a 3TB hard drive that has an unusual problem.
It is a Western Digital 3TB Red WD30EFRX.
I formatted it with two partitions, both 1.5TB.
One was a ...
- 83
3
votes
2
answers
2k
views
Lost my APFS partition after using EaseUS partition manager on Bootcamp
I used macOS mojave(APFS partition) and Windows10(Bootcamp). And I tried to expand Bootcamp partition with moving Windows OEM partition by EaseUS partition master in windows.
After this, I can’t find ...
3
votes
2
answers
3k
views
Time Machine restore to new partition, different computer
I split my macpro disk into 2 partitions. I wish to continue to use partition 1 as a 10.6.8 (Mountain Lion) system. I wish restore everything (O/S, data, etc.) from a Time Machine backup, from a ...
- 31
1
vote
1
answer
3k
views
How do I recover/fix my OS X partition?
I'm coming from Super User Community, since I wasn't aware of this specific one.
My first and foremost care is the files on my system, I have been slacking on making backups (I know, it's really bad) ...
- 13
22
votes
2
answers
30k
views
How can I triple boot MacOS Catalina , Ubuntu 18.04, and Windows 10
I currently use the mid-2014 MacBook Pro.
I have read the similar questions asked but as I don't have much technical knowledge I thought I should create a new question.
Device History
I had ...
- 473
20
votes
3
answers
20k
views
Can't resize APFS Container: Not enough free space in Container due to APFS limits or tidemarks
When I try to resize my APFS container, I get the following error:
Error: -69531: There is not enough free space in the APFS Container for this
operation due to APFS limits or APFS tidemarks (perhaps ...
- 1,771
11
votes
4
answers
74k
views
How can I resize a partition with Disk Utility?
I have 2 partitions, I reduced the size of one and want to expand the other to fill the now available space.
How do I expand the Lion Partition into the empty grey space beneath Macintosh HD ...
- 505
9
votes
4
answers
8k
views
Partitioning Software
Is there an equivalent on the Mac platform to Partition Magic or GParted that will allow me to resize, move, and/or change partitions on the fly without formatting, or disturbing the data that is ...
- 197
7
votes
2
answers
30k
views
Recover Bootcamp EFI Folder/fix boot entries?
I had macOS and Windows 10 installed through Bootcamp on my Macbook Pro (late 2013) and everything worked fine. Then I tried installing Ubuntu on an external drive and setting up pure-EFI triple boot. ...
- 73
4
votes
1
answer
4k
views
Remove macOS from a APFS container?
I'm interested in taking a look as macOS Mojave but am not willing to install it on my main production machine. However, I do not have another Mac to hand so have found myself upon this guide from ...
- 664
1
vote
1
answer
13k
views
Missing Mac partitions - unrecognized file system
Apparently, I installed Windows 7 via bootcamp and created a new partition in Windows (which probably affected the partition table).
After restart, I can't see Macintosh HD in startup disk (it only ...
- 13
23
votes
8
answers
47k
views
Macbook Air + Lion + Windows 7 Boot Camp + shared partition
I would like to setup my Macbook Air's disk drive with 3 partitions - 50Gb for OSX Lion, 50Gb for Windows 7, and the remaining 150Gb for Data to share between both OSes (music, photos etc).
What's ...
- 557
20
votes
1
answer
53k
views
Create new partition in unallocated space with diskutil
I have deleted the first partition on my external HD such that it now has 100GB of free space at the beginning of the partition. I'd like to reclaim that space, but Disk Utility doesn't let me create ...
- 1,160
17
votes
2
answers
9k
views
Can you make OSX mount just certain partitions when you connect an external HDD?
I have an external HDD with 4 partitions.
My question is the following: is there a way of telling the OS to mount just two of them (One FAT and one HFS+) when I connect the HDD? It is rather annoying ...
- 4,310
5
votes
1
answer
10k
views
Extend main APFS partition fails with "target disk is too small for this operation"
/dev/disk0 (internal, physical):
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme *251.0 GB disk0
1: ...
- 53
4
votes
3
answers
1k
views
Unable to increase partition size with subsequent blocking partition
I can't make my main Macintosh HD partition bigger. It's limited by the partition in the middle, which seems to be frozen, I can't move it down to make space for my main partition. Also I can't seem ...
- 43
4
votes
2
answers
2k
views
Unable to boot into Mac OSX after updating dual-boot Ubuntu, Partition Type FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFFF
On my Mac OSX Mojave machine.. I installed Ubuntu 18.04 to attempt to dual boot on the internal Apple SSD. Worked for a while, but after some updates to Ubuntu... hitting the power button boots up to ...
- 153
2
votes
1
answer
2k
views
Failed attempt to fix macOS partition startup volume set to FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFFF
I attempted to fix an issue I encountered yesterday my MacBook Pro (13-inch, Mid 2012) following instructions in the top answer of this thread. I'm afraid I may have inadvertently destroyed my data by ...
- 23
1
vote
2
answers
8k
views
Lost space after removing bootcamp
So I removed bootcamp and now there is a partition called "free space" that I can't remove.
Here is my output from diskutil list:
Here is the screenshot from disk utility showing the partitions:
...
- 13
0
votes
1
answer
6k
views
Ghost partition, Windows BSOD
Today I was trying to set up Windows on my MacBook Pro (15", Late 2011) over BootCamp.
I used the modified Info.plist-trick to create a bootable Windows 8 USB-drive and create a Bootcamp partition. ...
- 123
16
votes
6
answers
30k
views
How can I change the title of a boot image?
I have an external Hard Drive with two bootable partitions on it. The first is an image of a Mac OS X 10.6 Install DVD, and the second is an image of a Mac OS X 10.6.3 Install DVD.
When I plug the ...
- 778
15
votes
6
answers
13k
views
How can I use NTFS partitions in OS X?
My coworkers use NTFS partitions, and I can't share my data with them, as NTFS on Mac OS X is read-only.
How can I read and write onto NTFS partitions?
- 195
15
votes
3
answers
12k
views
200GB unused, but can't change APFS container size due to minimum requirement
I want to create a partition with a different filesystem but in order to do that I need to resize my APFS container.
This container has 292,4 GB used space. Its minimum size is 500,07 GB.
This ...
- 161
11
votes
3
answers
86k
views
Can't create partition on free space with Disk Utility [duplicate]
I have created new partition by selecting free space option and now I can't merge it or recreate it.
I have tried to use iPartition to create a new partition on free space but it said I have no ...
- 119
9
votes
4
answers
85k
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 ...
- 231
8
votes
3
answers
28k
views
How to fix Mac hard drive partition showing as FDisk_partition_scheme
My situation seems very similar to how to fix GUID hard drive corrupted to MBR but with enough differences that I haven't been able to put together a confident solution.
I have a 3TB Toshiba drive in ...
- 83