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Failed to boot Windows 10 after resizing volume

I have a late 2013 iMac dual booting windows bootcamp and iOS 11 with the rEFInd boot manager. I ran out of space in the boot camp partition, so I got gparted live on an USB to resize the volume. ...
Danny K's user avatar
0 votes
0 answers
141 views

Mac Partitioning Error (-69624)

I'm trying to create a partition on my Mac so I can run Debian, but whenever I try to partition my disk I get this error: I've factory reset my Mac, and tried partitioning in recovery mode. I'm not ...
Aeropid's user avatar
1 vote
1 answer
75 views

FAT32 partition unusual storage usage on MacOS

I have Linux installed on a second partition on my MacBook Air M1 running MacOS Ventura. To share data between the two systems, I shrunk the system partition in MacOS, then booted into Linux and ...
prmph's user avatar
  • 113
1 vote
1 answer
1k views

How can I partition a new external HD as a Time Machine backup AND also for manual copy/paste drag/drop on macOS Monterey 12.4?

I have an older 3TB drive from the same manufacturer and that drive has 1 partition (Mac OS Extended (Case-sensitive, Journaled)) which is both a Time Machine backup AND it also allows me to copy/...
cfx's user avatar
  • 113
1 vote
1 answer
409 views

Create multiple sd card partitions with MS-DOS format under MacOS

I want to have 3 partitions on my sd card. The Disk Utility does not give me this option when I select MS-DOS (FAT32) als format. The +/- buttons are greyed out. Only when I select APFS or MacOS ...
flappix's user avatar
  • 111
0 votes
0 answers
221 views

HFS+ Hard Drive not booting anymore recovery using TestDisk on macOS

I've had a broken external drive: Western Digital - WD Element 4To, for a long while and I finally took the courage to do some research to fix the problem using TestDisk. But, I think I hit a wall. ...
AKFourSeven's user avatar
0 votes
0 answers
97 views

2012 Mac Pro hard disks disabled after system spontaneously locked with a PIN code

(This was initially posted on reddit.com and shortly after on MacRumors) Equipment: Mac Pro (mid-2012) running macOS 10.14.6 Mojave all patches current Processor 2x3.46 GHz 6-core Intel Xeon Memory 48 ...
Hawk McDuck's user avatar
1 vote
0 answers
342 views

How to make APFS snapshot tidemark smaller?

I want to install Windows on another partition, so I want to shrink it, but Disk Utility says that I can't resize, because of the snapshot tidemark, but I have more than 100GB free space, and the ...
Octopus's user avatar
  • 11
0 votes
0 answers
583 views

Recover corrupted external hard drive on Mac OS

I have a Western Digital My Passport 4TB hard drive which has recently become corrupted. The hard drive is neither able to mount, nor does it show up on Disk Utility (of Mac OS) or third-party data ...
İdil's user avatar
  • 1
0 votes
1 answer
214 views

How do I access a second paritition of a linux sd

I'm having trouble finding a useful answer about this. But basically I need to edit a file manually (because I broke networking). I pulled out the sd card of my raspberry pi and injected it into my ...
Alita's user avatar
  • 103
2 votes
2 answers
3k views

Is it safe to clone Win 10 partition created in OS X Boot camp to a new drive?

I'm using a Mac Pro (2019) with the newest OS X available. I've created a Win 10 partition via Boot camp on the internal SSD. Now I want to transfer this OS to an external SSD. I'm planning to use ...
JustLogin's user avatar
  • 223
0 votes
0 answers
136 views

rEFInd no longer sees MacOS after using Gparted in Linux

rEFInd was working fine. High Sierra was the only OS on my MBP 2015. Here's what happened: Booted into MacOS Used Disk Util (gui) to shrink the boot disk so that I could install Linux Mint 21 onto ...
NotMyRealName's user avatar
0 votes
0 answers
545 views

Uninstall rEFInd and remove linux partition

A couple years ago I added a Linux partition to my Mac laptop. I also installed rEFInd to manage my partitions. Now, I'd like to remove that partition, and uninstall rEFInd. However, Disk Utility does ...
multitaskPro's user avatar
4 votes
2 answers
3k views

Is is better to partition or create a new volume to keep and separate data from the core system in macOS?

I am new on macOS and I want to split disk to into two parts in order to keep my data files in the new part and just in case I need to reinstall my macOS. To prevent my files to be deleted. For this ...
March's user avatar
  • 39
0 votes
1 answer
402 views

Install Windows to partition from a virtual machine?

I am seeking workarounds to installing windows on an SSD partitioned (sharing with macOS) as the normal routes both are unfortunately unsuccessful on my end: boot camp install results in an ...
exiamcland's user avatar
5 votes
1 answer
6k views

APFS disks may not be used as bootable install media

I accidentally installed macOS Ventura Beta and it doesn't support Xcode 13. I wanted to install macOS Monterey on a separate volume. So I can use the good old Xcode 13 there instead of Xcode 14 Beta. ...
mkto's user avatar
  • 163
0 votes
1 answer
463 views

Accessing multi partition USB hard drive on MacOS

I'm having problem accessing a healthy USB hard drive on MacOS. The HD is specially partitioned to have EFI 5T ExFat diskutil list output /dev/disk2 (external, physical): #: ...
lang2's user avatar
  • 2,282
0 votes
0 answers
327 views

Cannot use newfs_hfs on ramdisk

I tried ramfs_size_mb=2048 mount_point=/usr/local/var/mysql # 1024 bytes per kibibyte # 1024 kibibytes per mebibyte # 512 bytes per sector ramfs_size_sectors=$((${ramfs_size_mb}*1024*...
joseph's user avatar
  • 151
0 votes
0 answers
196 views

Mac OS doesn't spin down drive despite fstab

I have a drive which has 2 partitions (GUID): macOS - Data -> HFS Windows - Data -> NTFS I don't want to have those partitions mounted by default so I added them on fstab to ignore them on boot ...
Philou's user avatar
  • 23
1 vote
0 answers
25 views

Does my MacOS internal drive partitioning scheme look correct after recovery?

I recently had to recover Monterey on my Macbook Pro because I lost my Macintosh HD for some odd reason. Anyway after reinstalling Monterey in recovery mode, my partition scheme looks like this: ...
George's user avatar
  • 11
0 votes
0 answers
61 views

Create macOS High Sierra and newer bootable recovery partition on a separate standalone disk

There are manuals on cloning the recovery partitions to a separate disk for any macOS or OS X version prior to High Sierra, but I can google nothing about creating a standalone recovery disk for High ...
YKKY's user avatar
  • 235
1 vote
0 answers
659 views

How to use one external hard drive to back up Windows and Linux as well as macOS with Time Machine?

I have an external hard disk drive I use for all of my backups. I created an NTFS partition that I backed up Windows 10 to. Then I created an ext4 partition and backed up Linux Mint to that. Now, I ...
Steve's user avatar
  • 111
0 votes
1 answer
3k views

Unable to use free space shown by diskutil in macOS

I have a 2TB external drive (disk2) that used to have a volume (disk2s4) and two APFS containers (disk2s3 and disk2s2). I removed one of those volumes (500GB disk2s2) thinking I could then resize the ...
Semyon's user avatar
  • 101
1 vote
1 answer
359 views

ZFS Pool on internal ssd partition disappears after reboot, pre-existing partition (whatever it is) pops up instead

Mojave 10.14.6, OpenZFS installed with brew (OpenZFS on OS X 1.9.4 Mojave.pkg) By "disappears" here I don't mean "it's not imported", I mean actually, really disappears (no output ...
ggrocca's user avatar
  • 91
1 vote
0 answers
86 views

"missing operating system" error with Bootcamp on 2013 Macbook Air

I seem to have royally messed up my bootcamp. I have a tiny (30GB) bootcamp partition, and was trying to expand that space. I shrank my OSX partition via disk utility, then found I was unable to see ...
Duncan Gibbs's user avatar
1 vote
1 answer
2k views

mac os gpt show command shows multiple Master Boot Record partitions in parts (MBR Part 12) on wiped internal hard drive

I ordered a used apple oem ssd hard drive off of the internet to replace my macs fried ssd. I intalled it and booted to internet recovery to do a clean wipe and a clean install. Upon inspection of the ...
DanRan's user avatar
  • 140
1 vote
1 answer
1k views

Error with Encrypting Device with Veracrypt

I am trying to encrypt a 128GB USB Drive. I get the error "Formatting the device might cause system instability and/or data corruption. Please either select a partition on the device, or remove ...
andrewarctic's user avatar
0 votes
0 answers
591 views

Remove "virtual" volumes from macOS Catalina after Big Sur beta?

I have played around with macOS Big Sur for a few weeks but I decided to downgrade to Catalina. Big Sur handles volumes a bit differently and creates a virtual volume - Data volume. The interesting ...
Hordon's user avatar
  • 101
2 votes
0 answers
463 views

why cant i change the size of the time machine partition on my external drive?

i have 2 partitions on my external drive (macos high sierra 10.13.6). 1. time machine 1 TB 2. General storage 3 TB i simply want to increase the size fo time machine partition to 1.5TB and reduce ...
Cool Pontiac's user avatar
1 vote
2 answers
5k views

Bootcamp OSX no longer compatible with Windows 10 (2019 / 2020)

Using Bootcamp on a Macbook Air 2013 (Mojave) to install Windows 10 on a partition (as I have done several times in the past) I found the process no longer works! Bootcamp requires an MS-DOS(FAT) ...
Leon's user avatar
  • 111
1 vote
1 answer
2k views

Is it possible to create an exFAT partition on an external drive used to boot Windows?

I have a 128GB MacBook Pro, so I cannot install Windows on the internal drive. I have found a guide to boot Windows from an external drive. After installing Windows, is it possible to create an exFAT ...
hmnlzr's user avatar
  • 11
1 vote
1 answer
279 views

Cloning HDD to SSD without Free Space

I'm partitioning my 1TB SSD to allow me install Mountain Lion, Yosemite, and Catalina on the same drive. I'd like all my files to be on the Catalina partition, apart from specific software which only ...
Jim's user avatar
  • 11
2 votes
1 answer
4k views

How can I create a bootable Mac OS with an image of the EFI and OS partitions?

I recently installed Linux Mint on my Macbook Air, and saved my old OS to a couple disk images (The EFI and the OS). I created two partitions the exact size of the EFI and OS images on an external ...
LostXOR's user avatar
  • 205
0 votes
0 answers
62 views

A GUID disk partition cannot be removed

I have a disk GUID partitioned into four parts. But one of the disk partition cannot be removed. I want to know how to remove this partition and why this happened.
Neal.Marlin's user avatar
1 vote
0 answers
512 views

Time Machine backup folder getting twice as big on other hdd?

So i have an old 1TB HDD for my Time Machine backups. Its nearly full (950gb used) and now i decided to move to a bigger HDD (i buyed a 5TB drive, but made partitions to split it to 2TB and 3TB, the ...
jhonnythejeccer's user avatar
1 vote
0 answers
43 views

Touch ID/Apple ID gets reset after switching between multiple macOS installations

I currently have macOS 10.15 Catalina beta installed on my machine (2019 MBP 15") for primary use. I also have a separate APFS volume with macOS Mojave installed (for 32-bit apps). I don't use Mojave ...
Potassium Ion's user avatar
0 votes
0 answers
1k views

recover boot-loader on osx

On a MacBook Pro a tripple-boot (OSX, Windows, Ubuntu) was installed. For that, two partitions have been made, a 149.4 GB and a 100 GB. While not using Windows and Ubuntu, the 100 GB partition was ...
wba's user avatar
  • 25
1 vote
0 answers
1k views

I am not able to create a new partition in my MacBook

I use a MacBook Pro 13 early 2015 model running macOS Mojave, I have 2 partitions right now,(Mac partition APFS and Boot Camp NTFS) I need to create one more partition to extend my boot camp partition....
Vishnu S manoj's user avatar
2 votes
0 answers
97 views

GUID Partition Attribute not working on MacOS

I'm trying to prevent automount on a device. The device contains only one FAT32 GPT partition. I have set the GUID Partition attribute to 63 using gdisk (i.e. do not automount). I have also tried ...
Jean-Charbel VANNIER's user avatar
1 vote
0 answers
1k views

EFI partition of the HFS formatted external hard drive won't mount in macOS

General Description of the issue Initial Cause: When I was copying some files to the external drive, the copying operation froze half way. I couldn't eject the drive so I just unplugged it. What ...
Lemeng's user avatar
  • 11
0 votes
1 answer
967 views

Impossible? Restoring/fixing a corrupted partition after updating Mojave?

it seems that my main partition got corrupted and now I can't access it after updating to Mojave. I ended up re-installing Sierra on my bootcamp partition (which is still accessible), but my main ...
mike's user avatar
  • 111
1 vote
0 answers
289 views

Creating multible bootable partitions on USB drive from terminal? (macOS)

I have a 64GB UBS flash drive, and I want to divide this in multiple partitions. Then I would like to put a different bootable volume on each partition, for example various USB/Live versions of ...
RocketNuts's user avatar
  • 1,172
0 votes
1 answer
850 views

Cannot boot from MacOS or Windows after attempting to shrink Boot Camp partition on MacBook

What I was doing: I wanted to free up some space from my Boot Camp/Win 10 partition so I could install Linux. I used AOMEI's partition tools on Windows to shrink my Windows partition by 100gb. In the ...
RazeLegendz's user avatar
6 votes
2 answers
5k views

distinction between volume and partition (terminology)

What's the definition of, and distinction between, a volume and a partition? Wikipedia notes that a partition is created before any files or directories are written to disk. But, then, in the next ...
Thufir's user avatar
  • 1,650
0 votes
1 answer
14k views

How to access/view MacOS files from Ubuntu 18.04?

A few days ago my Macbook Air's disk partitions messed up or something and from what I've gathered off the internet, it seems that the boot.efi file cannot be found.Thankfully I have a PC and could ...
Redd Eagle's user avatar
0 votes
1 answer
45 views

When partitioning a hard disk drive, does the partition/formatting change the hard disk--physically or just the firmwares "rules" for writing?

Does reformatting an HDD or partitioning an HDD result in the hard disk actually writing on itself? Or does it just change the configuration in a file or in the firmware? Is it platform dependent? I'...
Tyler Curtis Jowers's user avatar
1 vote
0 answers
140 views

How to consolidate partitions while retaining data on Mac OS?

So I have what seems like a somewhat basic question, but it seems the answer might not be so simple. I have done many googling prior to posting here and i am just not getting what i want. Here's my ...
Zach's user avatar
  • 11
0 votes
0 answers
137 views

Error when installing the latest macOS

(by the way, I've seen this question, but it doesn't seem to help) I’ve tried to install the latest update for macOS, but it gives me the message: macOS could not be installed on your computer. A ...
Zac's user avatar
  • 163
0 votes
1 answer
4k views

Fix MacOS Mount Point

I accidentally ended up renaming my non-OS partition originally named Sanu and mounted on /Volumes/Sanu. I then tried to rename it using get info but it didn't work. So I fired up terminal, did cd /...
Sandeep Kanabar's user avatar
1 vote
1 answer
1k views

How can I fully backup Windows, Linux and various boot partitions of an external drive?

I have an external drive for my 2017 iMac with a Windows-to-go and Linux system installed on it. It took a lot of work to get this set up just the way I needed, and am trying to find a way to make ...
Bri Bri's user avatar
  • 856

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