Questions tagged [hard-drive]

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

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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 ...
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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 ...
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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 ...
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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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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 ...
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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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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
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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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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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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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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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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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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
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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
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4 answers
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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 ...
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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 ...
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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
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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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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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“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 ...
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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
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2 votes
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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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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
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The SSD not showing up correctly in diskutil in recovery

I’ve deleted my Macintosh HD partition and don't know what to do, because the free space isn't showing up in the graphic interface of diskutil.
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After disconnecting my external hard disk (WD Elements) from High Sierra and connecting it to Ventura it didn't work

I used my external disk on my Sierra device. When I was done, I disconnected it from the Eject feature and set it aside. A few weeks later I installed it on my Ventura. It can see my external disk but ...
Cenk Yenikoylu's user avatar
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Restore IMac(Late 2015 - 17,1) from Time Machine gets stuck on HD reformat

I tried to update my late 2015 IMac (27" I7 - IMac 17,1) to the latest MacOS version it will support - Monterey. The upgrade failed, leaving my OS in an unbootable state. I am trying to restore ...
jmarkel's user avatar
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Will it make a difference if I buy a fast SSD disk for time machine?

Since Sonoma, waiting for Time Machine to finish is a hell. It takes 2 to 4 hours to make a simple incremental hour backup. I've read that Apple throttles down the backup process. I have typed this at ...
Duck's user avatar
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How to free up miscalculating Storage on MacOS that occupies 90GB of my MacOS

I have just reinstalled my MBP on Sonoma but I cannot install any software because of the insufficient storage error. However, the Storage setting shows I still have plenty of space but the Disk ...
rookie_ronny's user avatar
2 votes
1 answer
286 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
1 vote
1 answer
35 views

Time machine drive wiped?

I backed up an old laptop via Time Machine to an SSD ~1 year ago. Now, I'm trying to browse/restore the files on that SSD, but when I connect the SSD to my current (OSX) laptop, it is not recognized ...
linkedin's user avatar
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1 answer
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Cloning 14in Macbook Pro M1 Pro => 13in Macbook Air M2

I'll be traveling for the next few months and have got the chance to swap out my machine from a (IMO quite weighty) 2022 MacBook Pro 14in (M1 Pro) to a new 13in MacBook Air M2. I'm a bit short on time ...
Dan's user avatar
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External HDD doesn't show up in finder/disk utility, but shows up in System Information

I have a HDD that's corrupted. I don't know what caused the corruption, but it's definitely corrupted (it makes strange sounds when plugged in). When I plug it in to my mac via USB-C, it does not show ...
anonuser01's user avatar
1 vote
1 answer
110 views

Booting from a SATA case crashes various operating systems

After installing Windows on an external drive, it crashes when connecting via a SATA case. (Crashes when booting Windows, Linux, and macOS). The installation was based on the answer from Drivers not ...
Vakror Alor's user avatar
1 vote
1 answer
76 views

MacBook Pro crashes when plugging in external HD

Every time I plug my WD My Book Duo, my MacBook Pro (13-inch, 2017, MacOS 13.6.1 (22G313)) crashes. I don't think there's an issue with the WD tower; I think there's something wrong with the HDD ...
Jimmy Cloutier's user avatar
3 votes
2 answers
286 views

How to turn off encryption on previously encrypted HFS+ drive?

The drive mounts as PlexMedia_1 at 18TB. I have another drive that mounts as PlexMedia_2 that is 6TB. I am unclear why the Name field is populated with PlexMedia_2 and not sure how to correct that. /...
John's user avatar
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Recovery of APFS volume on external disk accidentally erased by Time Machine configuration on macOS Catalina

Long story short: adding an APFS volume located on an USB disk to Catalina TimeMachine configuration leaded to start erasing not only the volume but the whole disk. I disconnected the disk during ...
maiux's user avatar
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1 vote
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Disk recovery: Error: -69461: Unable to get VEK info for an APFS Volume which is marked as encrypted in the IOKit Registry

I'm trying to recover the contents of a backup disk. It is an encrypted APFS volume with 3 containers. The disk itself is probably okay - SMART reports no problems, and a quick 2 minute disk scan ...
Craig S. Anderson's user avatar
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1 answer
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Is the hard drive data recoverable from this MacBook with extreme battery damage?

My friend's laptop almost literally blew up while charging. There is extensive battery damage -- see attached photos below. Is it possible to recover the hard drive? And/or should they put pressure on ...
Greg Sadetsky's user avatar
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MacBook mid 2012 MacOS Catalina GPT configuration messed up

I had Tripple Boot configured on my MacBook Pro mid 2012 sharing the same 240GB Sata SSD drive in the following order: APFS MacOS Boot Camp Windows Linux POP OS EFI partition or something. I used ...
faissalman's user avatar
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Trouble with Read-Only Access on Time Machine Drive and Transferring Snapshots to another drive

I have an external encrypted HDD that I previously used for Time Machine backups. I want to transfer the backup snapshots to another disk, but I'm unable to copy the files from it. Although I have ...
LotoLo's user avatar
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1 vote
1 answer
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Accessing 'Other Users'

When I look at 'About this Mac/Storage' nearly half of my hard disk (120GB) is taken by 'Other Users'. I am the only person using this MacBook (OSX 12.6.5) and I have no memory of creating any other ...
Dan's user avatar
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How to eject physical external NVME Thunderbolt enclosure on M1 Mac so it doesn't show in diskutil list / Disk Utilities?

I have an external NVME enclosure with 40Gbps Thunderbolt 4 connection (Acasis TBU405 M1 Pro) with a Samsung 980 Pro 2TB installed, connected to the M1 Mac Mini (2020) Thunderbolt port, running Sonoma ...
apertur's user avatar
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Im tryiing to install mac os on my macbook air m2

I have been trying to install mac os ventura on my mac m2 air from 3days Im geting error in the last 9min and i check the installer logs there are error
JOKER OP's user avatar
2 votes
1 answer
171 views

Using utilities how can I format a GPT disk without an EFI

I have 8 disks in a RAID. They are 4TB each so can not be formatted with MBR or APM. The EFI takes up 200MB on each of the 8 disks so 1600 MB for no purpose is wasted. I have tried using diskutil ...
John's user avatar
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What is eating my disk space? [duplicate]

I have a 2020 MacBook Air with – theoretically – a 1TB solid-state drive. The Finder says I have only 64.4G free; Storage in System Settings says 935.2G is used, 411.6 of which is "System Data&...
Displaced Hoser's user avatar
2 votes
1 answer
137 views

Resize first partition on MacBook Pro M2, having two partitions with each MacOSX installed

I'm having a MacBook Pro with M2 chip from the company I work for. It is allowed to use the device with a separate OS installed on it. That's why I currently have two partitions, each with another ...
XmasImperator's user avatar

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