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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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Unable to mount or fix my Apple Raid mirrored volume

I have 2 identical external 2T disks, mirrored using diskutility. Yesterday I realised that this volume was not mounted. I started diskutility to see what was going on and it came up as a blank screen....
SimonB's user avatar
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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
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Two separate Time Machine backups on single HFS+ drive?

I have been keeping Time Machine backups for two separate MacBooks on a single external hard drive by having two APFS volumes on the single APFS-formatted drive. No problems there. Both MacBooks ask ...
Crabgrass0899's user avatar
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Photos transfer from mac-book air to a hard disk

I have 7800 Photos on my photos of mac-book air, i need to transfer all the 7800 photos to a external harddisk. I created a separate folder with all the 7800 photos on the desktop now when i try to ...
grant's user avatar
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500 GB external hard drive broken after Boot Camp

I am running macOS 10.13.6 on a Mac mini 2011 and I decided to get Windows 8 using Boot Camp. The installation went well, but I couldn't switch back to macOS. On a different question, I got advice and ...
AnotherRandoGuy453112's user avatar
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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
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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
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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
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"Device not configured" after external HD improperly unmounted

I accidently unplugged my external HD before the eject was done :-/ /Volumes/Red is still there and can't be deleted. The HD still mounts but as /Volumes/Red 1. How can I remove /Volumes/Red? $ gls -...
Pascal Polleunus's user avatar
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Moving files to a new volume; keeping same Time Machine backup

My desktop (iMac) system includes the internal SSD and an external storage disk; call it 'A'. Both are backed up with Time Machine on another external drive, 'B'. Now, 'A' is getting full. I want to ...
Henry Larsen's user avatar
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Overcome file recovery on Time Machine: error -36

I'm helping a friend who has suffered a big loss of data. She keeps some Time Machine snapshots on an external drive but when we try to recover a file we get an error message "...some data can't ...
naio's user avatar
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Third-party backup SSD not appearing

I've been using a third-party (LaCie) SSD for Time Machine backups ever since the HD in my Time Capsule router stopped working. (The SSD is plugged into the Time Capsule which also is my router.) But ...
Displaced Hoser's user avatar
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27" iMac 5k VDH002, won't mount other disks

2015 27" iMac 5k with SDD. Diagnostic says "VDH002 issue with storage device" and it won't boot from the internal drive any more. Recovery can't mount any other disks to reinstall. ...
apfrod's user avatar
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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
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1 answer
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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
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1 answer
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1.41 GB volume not mounted since oclp/sonoma installation on MBP

I was checking my disks after the successful installation oclp 1.4.3/Sonoma 1.4.1 on a MBP 14,3 2017 with Touch Bar. Why I have an 1 Not Mounted volume on my main (startup) disk?
 I googled for this ...
TanCactus's user avatar
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legacyScreenSaver taking 67GB on disk -- OK to delete?

I noticed something called "legacyScreenSaver" takes 67GB on disk and feel it’s too much for me. I looked deeper, and I found that it's actually for the screen saver I do use, Aerial. It's ...
Cannolo's user avatar
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Receiving error when copying files to external APFS drive

I'm trying to copy a film project from external drive A (formatted with ExFAT) to external drive B (formatted with APFS). This always results in an error message saying: "the item "name"...
mosquito87's user avatar
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My WD hard drive isn't working after upgrading my system from Big Sur to Sonoma

I just upgraded my Mac from Big Sur to Sonoma. I have a hard drive - WD My Passport (1 TB) - the hard drive LED light is lit but the drive is not showing on my Mac. I tried using a different laptop ...
Abdullah Khan's user avatar
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slow disk ejection macbook air M3

On a new Macbook air M3 (macOS 14 Sonoma), when I try to eject my external hard drive (eject button in the Finder), it takes a very long time. The hard drive is connected through a hub via USB-A 3.0 ...
ponyBoy's user avatar
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2 votes
2 answers
200 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
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Lost garage band files can I build my project on Xcode?

So it’s been a year since my computer crashed and corrupted my hard drive. I lost most of my audio files on GarageBand. I have one project I really want back and in the file it has 2 audio tracks ...
Ace Uno's user avatar
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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
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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
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macOS kernel panics when many external drives are connected

I recently purchased a 5-bay HDD enclosure that I filled with hard drives. I connected this along with around 4-5 SSDs with NVMe adapters to my Mac mini via a powered USB hub. I noticed that when ...
Oion Akif's user avatar
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1 vote
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571 views

How to safely cancel Disk Utility 'seven-pass secure erase'?

I want to dispose of an external hard drive, and before I do, I want to ensure its contents is deleted. I naturally opted for the most secure deletion method, which involves writing over the disk with ...
stevec's user avatar
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1 vote
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18 views

Acquire an image of the hard disk from the outside

I need to take a dd image of a MacBook (Model A2179) 's hard disk. I have no way to recover the password to access the system and I want to acquire an image of the main hard disk for forensic purposes....
Kodeeo's user avatar
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Boot a live OS from external usb drive on a Silicon M1 [duplicate]

I need to take a dd image of a MacBook (Model A2179) EMC 3302 hard disk. I have no way to recover the password to access the system, so I was going to live boot something like puppy or ubuntu to dd ...
Kodeeo's user avatar
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Can I tell if a hard drive is usable or fake?

I purchased a hard drive which looks like a fake (doesn’t mount when I plug it in, the label is suspicious). If there a way using terminal to know if it’s usable? Nothing mounts when I plug it in Disk ...
MicroMachine's user avatar
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1 vote
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How does one use Apple Photos to index photos on an external drive (if possible)? [duplicate]

I have never used Photos before except some bad experiences with it 10 years ago. I would like to use Photos to index over 2Tb of photos on an external hard drive (WD MyPassport). I have a 200Gb ...
MicroMachine's user avatar
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1 vote
2 answers
332 views

Can the Apple Photos app index large photo libraries on an external drive?

I have never used Photos before except some bad experiences with it 10 years ago. I would like to use Photos to index over 2Tb of photos (2.26Tb with 415'805 photos to be precise) on an external hard ...
MicroMachine's user avatar
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PCIe SSD not recognized, only when restarting on iMac

I have an iMac 2019,2 that I installed an 2T Aura Pro X2 into the PCIe SSD slot, and I left the original Apple 1T HDD drive in the SATA slot. I was able to: Successfully split up the Fusion Drive ...
LHM's user avatar
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0 answers
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High Sierra installation is stuck and can't boot on the Yosemite OS as previously

I was installing macOS High Sierra on a old MacBook Air (more than 12 years) with Yosemite. But it didn't work, it shows, during the installation, a message like this: However doing that it didn't ...
Oscar's user avatar
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Possible to access and backup a corrupted USB HDD via terminal?

TL;DR Is there any way to skip any checks on a corrupted USB disk, "raw mount" the device and create a raw image using macOS terminal tools? Details: An old Windows notebook of a friend ...
Andrei Herford's user avatar
2 votes
1 answer
82 views

Is this mac book pro recoverable?

While scanning my HDD usng First Aid, I got this error: Checking volume. Checking the APFS volume superblock. The volume Macintosh SSD - Data was formatted by hfs_convert (1412.141.1) and last ...
Ciasto piekarz's user avatar
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0 answers
42 views

Early 2008 iMac HD: diskmanagment .disenter error 49180 impossible to mount the disk

I'm pretty sure I'm not the first to reach out with this problem and I do not know if there is any solution other than change the disk. I appreciate any input you can provide and also I would like to ...
Gianluigi Lisi's user avatar
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26 views

Copy Paste from one drive to another - permissions error

What I'm trying to do: I'm trying to copy 1.5TB of data from a Network drive (Drive G) on a Windows 10 PC and paste it to an external drive on my Mac Mini (Sonoma 14.2.1), the external drive name is ...
Yeah Nah's user avatar
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0 answers
27 views

Recover screen recording that had destination set to SD card that was unmounted

I was using a program called iShowU Instant to create a screen recording on my Mac and the destination was set to the SD card in the Mac's built in SD card reader. The Mac's battery died and the ...
MarcusAurelius's user avatar
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0 answers
21 views

Backing up and migrating away from HFS+

I would like to back up an old hard drive from a MacBook. It uses HFS+. I currently don't have a Mac system available, but if necessary, I can borrow one. I just used rsync to copy the whole drive to ...
datafan's user avatar
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0 answers
107 views

Unable to install macOS Monterey on MacBook Pro 2015

I'm trying to install macOS Monterey on my MacBook Pro 2015. These are the steps/events arranged in chronological order. One day while turning on the Mac, my Mac stopped booting. It stopped at the ...
Ronak Jain's user avatar
1 vote
0 answers
54 views

Thumb drive not showing up in finder

I recently got a 64GB thumb drive and tried to install macOS Big Sur on it however after my computer restarted it showed an error that said something along the lines of "the process couldn't be ...
Hogarth's user avatar
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Western Digital external HDD not showing up in Finder & Disk Utility

I'm running Sonoma 14.2.1 on a late 2021 Macbook Pro. I just purchased a new Western Digital Easy Store 2TB External HDD. I plugged it into my mac (I do need a USB-B to C adapter) and my mac asked if ...
anonuser01's user avatar
6 votes
4 answers
2k views

How do you monitor free disk space?

So I’ve recently switched full-time to Mac from Windows for a multitude of reasons and most of them have been benevolent and I much prefer the file system in general the way Macintosh does it. But if ...
Alfred's user avatar
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2 votes
2 answers
191 views

macOS recommended maximum disk space usage?

I was told by a mac repairman that I should leave about 10% of the disk space empty, otherwise, my SSD and/or the machine would die. Is this true? I've never heard of such a thing in my life. He also ...
user3722246's user avatar
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0 answers
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File picker hangs or is slow with USB drive attached

I have a M1 MacBook Pro, 2021, with Sonoma 14. I attached a Seagate 16TB External USB 3.1 drive, to use as my time machine and an archive of video projects. https://www.seagate.com/support/external-...
Zoey Green's user avatar
2 votes
2 answers
614 views

iMac 27" late 2015 Thunderbolt 2 port with external USB-C hard drive

I'm not familiar with Macs, so please bear with me. I want to connect a new external hard drive with a USB-C port to an old Mac. iMac "Core i5" 3.3 27" (5K, Late 2015) 1 x Thunderbolt 2 ...
Frankie's user avatar
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2 answers
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Is there a way to factory reset a external hard drive that is not showing up in finder or disk utility on Mac?

Is there a way to factory reset a external hard drive that is not showing up in finder or disk utility on Mac? I have tried many different cables and computers and the result is always the same. I ...
Hogarth's user avatar
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1 vote
0 answers
510 views

“No space left on device.” in macOS Sonoma 14.2.1 (23C71) but there clearly is 131GB on device. What happened?

Short Story: Why was my MacBook Air showing “No space left on device.” and blocking very simple file writes when I clearly had 131 GB available? And why did it clear up after reboot which then showed ...
Giacomo1968's user avatar
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Diagnosing why external NVMe keeps disconnecting

I recently purchased a 4 TB TeamGroup MP34 NVMe drive that I am using with an NVMe enclosure as an external drive on my MacBook Pro. I was copying files from another 4 TB drive onto it. The first ...
Oion Akif's user avatar
  • 9,042
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

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