Skip to main content

Questions tagged [partition]

Creating a new disk formatting scheme or altering an existing scheme

Filter by
Sorted by
Tagged with
1 vote
0 answers
38 views

Why does my exFAT external disk show errors on Windows and corrupt PDF files after formatting on macOS?

I partitioned an external disk as exFAT on my Mac using diskutil and the following commands: diskutil list diskutil unmountDisk force disk2 sudo dd if=/dev/zero of=/dev/disk2 bs=1024 count=1024 ...
cconsta1's user avatar
  • 111
2 votes
1 answer
43 views

My physical disk has unaccessible free space

I tried double booting Asahi Linux to mess around with it, but regretted the partition size I choose. So, I tried changing it, but when I deleted the Volumes the free space left over does not show up ...
Dylen Liverman's user avatar
1 vote
0 answers
12 views

Uninstalling asahi linux partitions

i followed the steps in a video but its not working, heres how it looks /dev/disk0 (internal, physical): #: TYPE NAME SIZE IDENTIFIER 0: ...
John's user avatar
  • 11
1 vote
0 answers
48 views

Not able to access 500 GB space from my external drive

I have a 1.5 TB WD Elements hard drive. There were two containers with 500 GB space and 250 GB space respectively. I wanted to delete both of them and merge them in my 750 GB APFS volume. I was able ...
pujanm's user avatar
  • 111
0 votes
0 answers
51 views

Macbook Air 2013 - 256GB SSD shows as 1.2GB in disk utility

I have "inherited" a 2013 MacBook Air with a 256GB SSD. The machine was formerly used with Windows 10 but I threw that out, along with the MacOS, and tried to install various versions of ...
Axel Lieber's user avatar
1 vote
0 answers
50 views

Diskutil partitionDisk Error: A writable disk is required (-69772)

I'm trying to format an external disk (identified as /dev/disk4) using diskutil partitionDisk on macOS. However, I'm encountering the following error: Error creating partition map: A writable disk is ...
scd's user avatar
  • 111
2 votes
1 answer
47 views

Can the GUID disk signature be changed without reformatting a disk partition/drive?

After recently having some issues with an 8TB Seagate drive, I bought a new replacement to backup, and realised I have this dock sitting here with dual bays that can clone a disk far faster than any ...
Lee Lawrence's user avatar
0 votes
0 answers
34 views

I completely erased the Mac OS partition, leaving Windows

I installed windows 11 on my old Macbook pro 2011 (samsung ssd 750 evo, 8 GB RAM) At the same time, I completely erased the entire Mac OS partition, and merged it with the windows partition. Please ...
Sergey's user avatar
  • 11
0 votes
0 answers
23 views

Monterey partition stuck in boot loop and shows wrong 14.5 OS version

I have a 2019 16' MacbookPro (i9 with T2 Chip) with DualBoot Monterey (on Main MacintoshHD Partition) - and Ventura (for DAW compatibility tests) and suddenly my Monterey partition is stuck in a ...
Canelo Digital's user avatar
2 votes
2 answers
188 views

MacOS Recovery Mode Risk

(A related question was previously posted in the Asahi Linux forum, I didn't get an answer there; see https://discussion.fedoraproject.org/t/question-and-worries-about-wipe-linux-in-recovery-mode/...
user avatar
0 votes
1 answer
67 views

How to clean a Apple Silicon Mac of viruses manually via partition wipe

I'd like to get some insight on the chances of re-infection during a wipe of all partitions on a Apple Silicon Mac. On an infected Mac, if I attached an external drive and formatted it with free space:...
sansSpoon's user avatar
  • 1,047
0 votes
1 answer
55 views

Keep Ignore ownership on this volume for APFS partition on local disk

I need to make a local partition for DATA only on the same disk than the OS disk. I search to keep the box "Ignore ownership on this volume" ticked, But it's untick on every reboot. I tried :...
DBF's user avatar
  • 1
1 vote
2 answers
136 views

Unable to shrink MacOS partition - Sonoma 14.4.1 (23E224)

I am unable to shrink my macOS volume/disk on my Intel 2019 15" MBP with a 1Tb disk to make space (128gb) for installing a linux distro in dual boot configuration. Disk utility in macOS will not ...
Mark Smith's user avatar
1 vote
1 answer
163 views

Need assistance installing Windows 10 64bit on a late 2009 IMac 27in with a non functional optical drive

So far I have attempted the answer/instruction to this question. I also attempted to UEFI boot install windows 10 from start up manager by creating a ExFAT Flash Drive with the contents of a mounted ...
Chap's user avatar
  • 35
2 votes
1 answer
97 views

Following instructions to manually install Windows by manually creating Bootcamp partition during start up it doesn’t show up

I’m in the process of putting windows 7 on my late 2009 iMac. I’ve been working on this for a few days now. I couldn’t just use the normal Bootcamp assistant because of hardware issues and ended up ...
Chap's user avatar
  • 35
0 votes
0 answers
35 views

How can I merge the two 121GB partitions into a single one using the terminal?

I want to merge disk0s2 and disk2 into a single one using the terminal. How can I do that? I am trying to install a new OS. Can you help?
Subhadeep Mondal's user avatar
1 vote
0 answers
25 views

How can I delete the partition and merge it into one?

diskutil list /dev/disk0 (internal, physical): #: TYPE NAME SIZE IDENTIFIER 0: GUID_partition_scheme *121.3 GB disk0 ...
Subhadeep Mondal's user avatar
2 votes
1 answer
48 views

Macbook Pro 2013 - Unable to boot after attempting to remove Kali Linux partition

After attempting to remove a Kali Linux partition through Disk Utility on macOS High Sierra, I ended up with a drive that had a type of just FFFFFFF-FFFFF. I proceeded to try to fix that through using ...
Rubenith's user avatar
3 votes
1 answer
63 views

How to fix script which requires EFI System Partition (ESP) to be disk0s1 in macOS?

I see a post which is 12 years old: How to fix broken EFI partition? System: Macbook Pro 2019 with Intel & T2, upgraded to Sonoma. Objective: Dual boot with T2Linux Fedora using https://t2linux....
tom_kp's user avatar
  • 71
0 votes
0 answers
25 views

Cant run recovery (partitioning problems)

So I received my "new" MacBook Pro M1 Max today. I am having problems restoring the device though. Hopefully the following screenshots will explain the problem better than I can: {From ...
The Nutty Nook's user avatar
2 votes
2 answers
202 views

Why does Time Machine settings not see a network drive?

Current backup solution Macbook Pro 13" (2020) running macOS 14.4.1 Sonoma Seagate 1TB external USB 3 drive formatted as Mac OS Extended (Case-sensitive, Journaled)/Master Boot Record I would ...
agarza's user avatar
  • 2,282
0 votes
0 answers
36 views

Freespace after a bootcamp that i can't get back(mac)

I have encountered with a problem after corrupted bootcamp Windows deinstallation. In diskutil list i have a free space and in GUI version of Diskutil when i'm trying to partition it - I keep getting ...
jshus's user avatar
  • 1
1 vote
0 answers
31 views

Re-partition without damaging backup set

I have an eight-terabyte powered drive formatted as follows: /dev/disk12 (external, physical): #: TYPE NAME SIZE IDENTIFIER 0: ...
WGroleau's user avatar
  • 5,065
0 votes
1 answer
53 views

How to increase APFS volume size [duplicate]

I used to have 160 GB macOS APFS container and I upgraded my laptop's SSD with a bigger one and I wanted to increase the size of APFS container to 260 GB. I created an APFS partition and copied old ...
coolman's user avatar
  • 21
0 votes
0 answers
27 views

Question Mark on 2015 Macbook Pro -- any hope saving data (and MBP)? [duplicate]

My 2015 Macbook Pro 13'' (OS X 10.11.6) is refusing to turn on and keeps showing me a flashing question mark 😭. I've followed the Apple Support instructions here, but was unable to fix the problem. I ...
adieu_kitty's user avatar
1 vote
0 answers
28 views

How to fix MacBook Air '14 that won't boot [duplicate]

I accidentally lost/erased all start up utilities. There used to be a Question Mark folder and was able to use the command prompts ..but no recovery utilities ever came up.. now I have a black screen ...
Mvchole's user avatar
  • 11
1 vote
1 answer
85 views

Bootcamp not appearing as bootable disk on High Sierra

I have a MacBook Pro (Retina, 13", Late 2013, 8GB/251GB) on which I have had a Bootcamp partition installed with Windows7 for several years (probably since early days, i.e. since 2014). Initially ...
Eniac's user avatar
  • 11
0 votes
1 answer
30 views

Recover unidentified free space after erase

I am having problem dealing with this situation: after I deleted a system that I don't want via eraseVolume, I don't have the access to this 119.4 GB space below. I have no idea how to recover it, ...
Ziyi Wang's user avatar
2 votes
1 answer
89 views

Troubleshooting GUID partition "FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFF" [duplicate]

Running a Mac Pro 2013 with macOS Catalina. Looking to change the GUID type from FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFFF to 7C3457EF-0000-11AA-AA11-00306543ECAC. I've been browsing through various ...
cheoso's user avatar
  • 23
0 votes
0 answers
51 views

Recover files from a deleted and erased external disk partition

I had an external disk with two volumes: Volume A was formatted as NTFS which had videos/photos backed up Volume B was Mac Extended Journaled - which was used for Mac Time Machine backup. However, ...
Sudhir N's user avatar
2 votes
1 answer
66 views

Making a second Windows installation on macOS Catalina

I am trying to get a second Windows installation. I want this one to be unable to access the first Windows. I have looked at some threads but I can not understand what I need to do as they are all ...
Iv7n's user avatar
  • 21
0 votes
0 answers
673 views

How to mount and get full access to an apfs partition from linux

I broke my laptop some how (I think from overheating). I dual-boot linux on a Macbook that has got a T2 chip. I can't boot up MacOS, but for some reason linux does. I've got a couple of files in my ...
sherbit fish's user avatar
0 votes
0 answers
37 views

APFS volume not utilizing full container space

So a bit of background: I originally had a couple partitions on my macOS hard drive that I recently removed. I've done this before so pretty simple. I then try to run diskutil apfs resizeContainer ...
Harrison G's user avatar
0 votes
1 answer
56 views

Suddenly can't boot

I was using my 13 inch Macbook Pro (mid 2012) as normal when it suddenly became really slow and it became so unresponsive I just forced it to shutdown by holding down the power button. After that I ...
onni82's user avatar
  • 111
0 votes
1 answer
89 views

Restoring an APFS disk image cloned with (G)DD [duplicate]

Back in August I cloned a 500GB APFS container off a 2TB external HDD consisting of a Time Machine backup of my old macOS install and some APFS scratch space, and formatted that partition on the ...
ShouldBeAtTheBeach's user avatar
0 votes
0 answers
27 views

Reinstalling macOS from recovery uses extra space?

When you use the option to reinstall macOS from recovery, it uses an extra 10GB of space. I restored the same data using Migration assistant, but after it shows about 10 GB less space available. ...
stands2reason's user avatar
1 vote
1 answer
59 views

How to move free space in front of APFS container?

How does one go about changing the starting position of an APFS partition on a drive? In this situation, I would like the 209.4 GB of free space to end up behind the APFS partition so that I can ...
Windooows's user avatar
3 votes
3 answers
224 views

Is it possible to partition a new MacBook Pro (November 2023, 16 inch) for windows?

I understand that I cannot use Bootcamp since the laptop is running on Apple Silicon. However I would like to avoid using a virtual machine or emulator. Is it possible to use disk utility to set up a ...
yerman's user avatar
  • 133
0 votes
0 answers
23 views

Deleted the partition on a MacBook using the Terminal but now unable to create new partition

I deleted the partition container by using the Terminal. Now I'm unable to create a partition. Photo of a System Recovery Terminal window showing the output of 'diskutil list': How can I delete all ...
Nadeem Ahmad's user avatar
2 votes
1 answer
134 views

Attempt to fix macOS startup volume after dual-boot Linux partition removal

I have attempted to install Linux on my MacBook Pro 15" alongside macOS (Catalina) for a team project. Since I needed the space reserved for the Linux partition back, I have decided to remove it ...
TylerDurden's user avatar
0 votes
0 answers
187 views

Multiple Errors with Encrypted Backup Disk on Mac: -69845, -69808, and -69502

I'm dealing with several issues on an encrypted backup disk on my Mac, and I'm seeking advice. The disk has two partitions, and I've encountered different errors for each section and the container. ...
skywinder's user avatar
  • 1,691
1 vote
1 answer
239 views

How to initialize and format external SSD in commandline?

How can an external disk be initialized, partitioned and formatted in macos Sonoma commandline? I tried checking out my external drive with the command diskutil list: ... /dev/disk2 (external, ...
Human's user avatar
  • 697
1 vote
1 answer
144 views

Failing to resize partition with diskutil

I wish to resize my main macOS (High Sierra, HFS+) partition to use free space on the disk. I use console in Recovery Mode, as I suspect I won't be able the change the disk in use in standard mode. I ...
Maguy IB's user avatar
0 votes
0 answers
282 views

Big Sur - How can I increase Bootcamp's partition size? [duplicate]

I installed Boot Camp last month on my Mac (Big Sur/macOS 11.7.10) so I could run Windows 10. I created a partition of a modest size, assuming that it would be adequate. I've since realized that that ...
EJ Mak's user avatar
  • 779
2 votes
1 answer
1k views

How to debug slow harddrive read/write speed on Mac?

I have been using multiple units of WD 5TB external hard drive with my macOS 10.13.6 on a 2018 MacBook Pro 15-inch. I realised that it is almost always the case that read/write speeds drop when the ...
forgodsakehold's user avatar
0 votes
0 answers
169 views

External HDD killing MacBook Air, causing kernel panic attack, then unstoppable shut down mounting HFS+ from a partition on the drive

External portable HDD connected to iPad Pro M1 is only displaying 2 of 4 partitions suddenly. When connected to MacBook Air 2015 (running most up to date OS as the model can - maybe Catalina…?), the ...
user192056's user avatar
1 vote
1 answer
294 views

How do I remove Ubuntu from my MacBook?

My MacBook has three OSs at the same time: macOS, Boot Camp Windows 10, and Ubuntu. It will display Windows, Macintosh HD, and EFI Boot (going to Ubuntu) when pressing the option when booting. I split ...
whaleboss's user avatar
1 vote
1 answer
151 views

bootcamp NO BOOTABLE DEVICE after gpt add EBD0A0A2-B9E5-4433-87C0-68B6B72699C7 disk0

My macbook has three os at the same time: macOS, bootcamp win10, ubuntu. When booting, I choose os through rEFInd. After I removed ubuntu, I found that only windows and efi boot were left when booting....
whaleboss's user avatar
1 vote
1 answer
162 views

How to install 2nd Windows 10 on a 3rd partition? - MacBook Pro 2019 16-inch i7 Laptop

Hardware: MacBook Pro Late 2019, 16-inch i7; 16 GB RAM, 512 GB SSD , AMD Radeon 5300M Current OS: Monterey 12.7.1, Windows 10 Build 1709 installed via Boot Camp Expected outcome: Triple Boot macOS, ...
LegacyLover69's user avatar
0 votes
2 answers
157 views

Unable to partition apfs on internal ssd. macOS high sierra

My internal SATA SSD is formatted as APFS and I am running High Sierra on it. I want to use open core patcher to install Big Sur on a separate APFS partition (I heard there were problems when having ...
Luke M's user avatar
  • 11

1
2 3 4 5
43