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Questions tagged [hard-drive]

A hard drive is a device for permanent or long-term storage in computers.

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1answer
42 views

Prevent admin/Jamf Pro from accessing/deleting 2nd partition

The company I work for wants to install Jamf Pro on my "work" Macbook. I want to create a 2nd partition on my Macintosh HD (with its own Mac OS version) for personal use. If Jamf Pro is installed on ...
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1answer
31 views

Decrypt files recovered from encrypted external hard drive

I am trying to recover the data from one of the external hard drives of my company. I ended up using DiskDrill to extract all the files into a new, non-encrypted hard drive. Unfortunately I made the ...
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0answers
187 views

How do I fix hard disk “Error: -69845: File system verify or repair failed”

How can I resolve the Error: -69845: File system verify or repair failed error I'm getting when trying to verify my hard drive? So far these are the steps I've taken: In Terminal I ran: diskutil ...
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1answer
31 views

Everything is noticably slow, restored to new 1tb ssd

Everything on my computer is noticeably slow. Before I thought that my hdd was dying (which it may have been) and (regrettably) bought a 1tb ssd to restore all of my data to. Before, my computer was ...
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17 views

PLEASE HELP ME RECOVER MY DATA FROM AN FFFFFFFFFFFFFF PARTITION :( [duplicate]

i had mojave on my macbook pro and my work softwares weren't too compatible so i decided to downgrade WITH keeping the mojave partition that has 367 gb and use a usb stick to boot into recovery mode ...
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1answer
143 views

Disk Utility First Aid has no progress bar?

It is on "Checking snapshot 1 of 4" and has been for 30 minutes. There is no progress bar. The drive is a 1TB SATA drive. Should I quit it and start it again or just let it chug?
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1answer
58 views

Using dd to image a corrupted Windows disk?

What is the proper way to use dd (or anything else - asr?) to create an image of a corrupted yet readable Windows disk? If what I am using (see below) is correct, then is it possible that an image of ...
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0answers
103 views

APFS Container corrupt after resizing Boot Camp partition from Windows

I have a bad problem. I shrunk my APFS volume from 850 GB to 750 GB so that I can expand my NTFS Boot Camp Volume from 150 GB to 250 GB. After shrinking everything worked fine. Then I started Boot ...
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0answers
81 views

iMac hard freezes intermittently after booting off an external SSD

I have hooked up an external USB3 Samsung T5 SSD to my iMac model iMac14,2, formatted it as APFS, and installed macOS High Sierra on it, to use as my primary system drive. I can use the system for a ...
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1answer
58 views

How to mount an external drive read only on the first try

How do you setup the Mac to mount the next disk you connect (through USB for example) to mount read only? My goal is to access a disk without making any changes to it so mounting it read/writing ...
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1answer
68 views

How to connect a pretty old hard drive to MacMini?

I have a rather old iOmega external hard drive which I'd like to connect to a quite new Mac, but I always get confused by Apple plugs so I have no idea what type of cable do I need. These are the ...
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3answers
87 views

Cannot reinstall MacOS

I have erased my Mac Mini and now I am presented with the Recovery screen where I can use Disk Utility, Reinstall, etc. Nothing works! Disk Utility claims it cannot unmount the primary HDD, despite ...
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2answers
88 views

Deleted everything from MacBook but storage space is still half full

I recently ran out of space on my MacBook Air. I moved all my Mac data to an external hard drive, created a new user administrator and deleted the old one in order to erase everything without loosing ...
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2answers
32 views

MacBook Air Hard drive crashed (2013 Model)

Is it possible to replace the hard drive for a 2013 MacBook Air? Where can I purchase a new hard drive? If not, is it possible to run it with a portable hard drive? I purchased it in 2014 (...
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1answer
293 views

External drive Mojave installs unaccessible from Mavericks

I've installed Mojave fresh, direct using an Apple-downloaded installer 4x now on 2 brand new, freshly formatted Seagate 2TB drives as well as a partition on another reliable non-Seagate drive. Drives ...
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2answers
450 views

Has Apple finally included APFS support for traditional hard drives in the latest update for macOS 10.13.1?

macOS High Sierra comes with a new file system APFS, now according to official notes APFS for now only supports modern SSDs. My Mac runs on a traditional rotational hard drive and according to Apple ...
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2answers
30 views

can i repair a failing disk on macbook pro for free?

My macbook pro early 2011 says its drive is failing its S.M.A.R.T. test. It said to repair disk in recovery mode. I've attempted it twice. It doesn't seem to change the situation. Could the ...
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0answers
76 views

I turned my iMac on, but I only see a grey blinking question mark folder

I bought a 2011 21.5" iMac in a garage sale. I pressed Command + R. Once I'm in the macOS Utility folder, I don't see the Macintosh HD. Now, I went back to macOS Utility and tried to re-install macOS ...
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1answer
17 views

MacBookPro 2015 not booting from a copy of the disk of my old MacBookPro mid 2012

I have a MacBookPro 13'' mid 2012, 2.9 GHz, which I have given to my partner, as I bought a second-hand MacBook Pro 2015 (beginning of 2015, 3.1 Ghz Intel core i7) Before giving the MBP mid 2012 to ...
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1answer
400 views

Does the “Put hard disks to sleep when possible.” option in macOS have any affect on SSD drives?

So, I completely understand the value of putting a hard disk (specifically) to sleep in some cases especially in the pre-SSD days of the past. It can save power, lower noise and such. But in the case ...
2
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0answers
26 views

HFS external drive aways mount read-only

I am having a problem with an external HFS+ USB drive on a MacBook Pro running High Sierra: When I plug the drive into the computer, it gets automatically mounted as read-only. I have to manually ...
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0answers
23 views

How do I mount a IDE disk connected with USB?

So I bought a USB device that I connect different HDD to. IDE and SATA. It has a built in molex power adepter. The device works when I'm connecting SATA devices. Photorec works like a charm on SATA ...
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0answers
85 views

Fixing failed Bootcamp partition using Diskutils

I tried to create a bootcamp partition using the Bootcamp assistant, however when it should have booted into Windows to continue the installation, it failed and ended up taking the majority (>40GB) ...
2
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1answer
229 views

135GB of Hidden Space + Snapshot Metadata Tree Invalid error in Disk First Aid

I have a serious problem with "Hidden Space" eating up my hard drive. I'm running High Sierra on a mid-2013 MacBook Air "Core i7" with a 500gb ssd. The last few weeks, something has to been ...
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1answer
170 views

Formatted an NTFS partition to Mac extended Journaled by mistake

I was creating a bootable Mojave usb for a friend on my Mac and by mistake instead of formatting the USB drive I formatted an NTFS partition on an internal disk to macOS Extended (Journaled). The ...
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0answers
73 views

Recovery Volume mounted in `/Volumes` after checking for updates

From my understanding, with the new APFS system for macOS, the Recovery volume mounts itself briefly when it checks for updates; however the Recovery Volume on my MacBook Air is still mounted in /...
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0answers
36 views

OS X disk space recovery after corrupted Bootcamp uninstall

So, I've spent many hours trying to work an issue out with missing disk space after "uninstalling" Bootcamp on my c. 2014 500GB Macbook Air. I've consulted many of the posts on SE, some of which ...
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0answers
75 views

Hard-Drive Storage size issues after partition Disk Utility

I wanted to create a partition on my iMac for Windows to be able to play Windows games. I have used Disk Utility to create a 20GB partition on my 1,12TB Fusion drive. This caused a problem on my ...
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0answers
43 views

Mac running slow on specific user. A lot of stuck processes found in top

SPEC I'm running Macbook Pro 13 inch mid 2012. i5 2.5GHz with 8G memory. Mac OS on the SSD and home path of the user account is at the other HDD. OS: Mojave v10.14 (Just updated. This problem has ...
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1answer
19 views

What are stored on the “KG” drive?

Last time my Mac had some startup problems and I went to the Genius Bar for a clean OS installation. The technician took out a hard drive called “KG” and booted my Mac from a recovery partition on it. ...
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1answer
71 views

How to repair Raid 0 Via Terminal

I have 2 @ 4TB drives in an 8tb Raid 0 stripe enclosure that has become corrupted. I have tried to repair the volume via, disk utility, terminal and single user mode with no luck. All 3rd party ...
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0answers
56 views

ExFAT does not support resizing - how can I partition it in order to use TimeMachine backup?

I have a 4TB external drive formatted as ExFAT file system with single partition, and I've already stored approximately about 800GB of files on it, and I decided to create a partition on this drive to ...
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1answer
28 views

why wont my macbook pro mount my disc

I have been using my macbook pro since 2013. Around early 2017 I got a 275gb crucial ssd and installed it. It was working fine until about a month ago my macbook would no longer turn on. Took it to ...
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1answer
93 views

MacOS High Sierra Suddenly Bloated by About 40GB [duplicate]

I noticed that sometime in the last couple weeks or so my 2015 MacBook Pro's High Sierra bloated by about 40GB. In that time span, I have not installed any new software nor have done anything except ...
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1answer
130 views

Apple Internal Hard Drive Error

So long story short, my iMac was working perfectly fine and I just decided to restart it because the fan was loud, it made a weird noise and now it keeps taking me back to either reinstall my macos, ...
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1answer
84 views

Mac won't access 4 TB Seagate USB drive

I don't see it in Finder, I don't see it in Disk Utility. I don't see it in the system profiler. diskutil -list /dev/disk0 (internal, physical): #: TYPE NAME SIZE ...
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0answers
203 views

Multiple “Disk not ejected properly” messages during sleep

When I hook up a WD My Book 3TB external hard drive to my 2016 MacBook Pro via a third party USB-C to USB-A hub and let the computer sleep during the night, this is what I’m greeted with the next ...
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0answers
73 views

Recovering GPT from a failed Mojave upgrade

Background: My partner decided to upgrade her work iMac to Mojave. Apparently, towards the end of the process, it hung on a black screen, said an error had occurred and would try to recover. It cycled ...
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2answers
470 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 ...
2
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1answer
53 views

macOS not allowing me to restore media files from one external drive to another

I am trying to restore media from an external drive to another external drive now both the partitions have been formatted with the same partition map GUID partition map (I am also getting an APFS ...
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0answers
12 views

Use external hard drive with TimeMachine backups on reformatted computer

I’ve backed up my computer using Time Machine on an external hard drive. I then reformatted the hard drive and then installed the OS. I would like to continue to use the same external hard drive to ...
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1answer
94 views

Help - Have I bricked my MacBook Air?

I have a late '10 MacBook Air with 64gb ssd, it was getting very slow and very full so I decided to wipe and start afresh. I followed some online instructions, signed out of everything then erased ...
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3answers
42 views

How can I find the files being used by System? (where is my disk space going?)

If I go to About This Mac and click on the Storage tab, it tells me that I have 500 GB of Flash Storage and that 15.49 GB of 399.57 GB is free. It will also tell me that 226 GB is for System, 130 GB ...
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1answer
20 views

Create an hardlink across storage device (or alternative solutions)

I have named my secondary SSD with a name with a space in it - "My SSD", and have been using it for many years with multimedia applications without any problem. Part of my media library with thousands ...
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0answers
447 views

Unable to resize main HD after deleting Bootcamp Partition

[Note:This question is dissimilar to the other ones like this since my Bootcamp partition does not show up on listing the drives in terminal.] I added my bootcamp partition to parrallels desktop. I ...
2
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1answer
588 views

Reclaim unaccessable harddrive space on mojave

I installed Mac OS Mojave on a new partition for a clean system. As I tried to merge the APFS container of the old Mac OS with the new APFS container with mojave (following the top comment of this How ...
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0answers
399 views

Can't Install Mojave because of file system error: Object map is invalid

I wanted to upgrade macOS High Sierra to Mojave but installation failed with this error: File system verify or repair failed. Using Recovery Mode I tried First Aid from Disk Utility and it failed ...
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1answer
301 views

“APFS Container Resize error code is 49153” when adding MS-DOS (FAT) partition

I am trying to create a 20GB MS-DOS(FAT) partition on my Macintosh HD drive. Upon defining the partition in Disk Utility and running the process, it throws up this error... Running operation 1 of 2: ...
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0answers
35 views

create image of the disk in recovery mode

My disk won't mount and I can access it only via recovery mode. I have backed up some important data on a USB, but now I would like to ask how to create an image of the disk in recovery mode (using ...
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0answers
36 views

Lost disk space after execute diskutil eraseVolume in terminal

I have a MacBook Pro (Retina, 15-inch, Mid 2014), and i upgrade it to Mojave (10.14) the day before yesterday. After i execute the command "sudo diskutil eraseVolume apfs none disk0s8", the problem ...