Questions tagged [hard-drive]

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

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Problems after deleting Bootcamp/little partition left

I use 2014 model iMac and last year I decided to bootcamp it. After a year I start having hard drive usage issues therefore I uninstalled my bootcamp. But the program couldn't uninstall it properly ...
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My Mac sees its HDD as only having 1 partition fully taken up by the OS X Base System

I am trying to partition my Mac HDD but the entire HDD has one partition and according to Disk utility the full 1TB is taken up by the OS X Base System. I’ve tried creating more partitions, but it won’...
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MacBook Air Early 2015 SSD > MacBook Pro Early 2013?

BLUF: Can I use the SSD out of a MacBook Air in a MacBook Pro 13? I have a road worn but otherwise fine MacBook Pro 13"/Early 2013. About a year ago it started having issues with crashes and hangs. I ...
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External hard drive not mounting

I have an external hard disk drive that's a few years old and lately it's been causing some issues. It started by unexpectedly unmounting, and a few days later it wouldn't mount at all. If I open Disk ...
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Help! Have I Messed Up My Fusion Drive?

Last week my late 2012 iMac was running slow and generally not working well, I erased the hard drive to reinstall a fresh copy of Mac OS but somehow messed up the erase (Reading online I think the ...
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Accidentally deleted my encrypted coldstorage drive. Can I recover it somehow? diskutil cs delete MAC

The hard drive connection broke in my macbook pro. I used a sata to usb cable and put it on the mac, it still didnt boot. I went into Recovery. I believe the drive originally had 3 partitions. One ...
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Certain files greyed out in external HDD

My question is the same as this one from 5 years ago. I have an NTFS external hard drive and certain files on it are greyed out and can't be opened until I run certain commands on the command line. ...
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Storing Photos library on Time Machine external hard drive with partitioning [duplicate]

I have a Photos library on my Mac, which I want to move to an external hard drive in order to save space on my computer's internal hard drive. I want to move the library to the same drive I use for ...
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Why is Disk Utility freezing my iMac

I’ve noticed that for awhle now that Disk Utility has been flaky on my iMac: iMac, 2015, Oct, 27” 5K display, Fusion HDD, OS 10.14.5 OTOH, it runs just fine on my MB Pro: MacBook Pro Retina, 2013, ...
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MacBook Pro disk utility - disk0s2 not mounted

I am trying to erase all data from my laptop and reinstall OS X before I trade in. I erased all data on Macintosh HD but now when I go to reinstall OS X there is no hard drive appearing when prompted ...
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HFS+ corrupted partition recovery with files offsets

At first, I’ll mention some background details that could help better understand the situation. I used 1TB external drive for data storage, then installed it into Optibay to use it inside MacBook ...
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Problem with copying files above ~4.2 GB [duplicate]

I am trying to copy video (mp4) files from the solid state drive of my MacBook Pro to both a external hard disk as well as to a SanDisk USB thumb drive. It goes well up to abut 4.1 GB file size, but ...
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Moving hard drive to another laptop. (similar model)

I am trying to take the hard drive from a Macbook Pro 13-inch Mid 2012 (Model Identifier: MacBookPro9,2) and put this hard drive into a Macbook Pro 13-inch Early 2011 (Model Identifier: MacBookPro8,1)....
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Disk Utility inconsistent size setting

Apple recommends drag&drop to transfer a TM backup.  I suspected dd would be faster, but Disk Utility did not make the partitions the same size. Both were specified as "3 TB" but df -k says one ...
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How to repair Mactintosh HDD

I have a MacBook Pro 2016 15" with 256GB running macOS High Sierra. When I got the MacBook used, I was able to log in. The MacBook did not have an iCloud account linked so I linked mine up and enabled ...
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Cannot erase ~500GB from startup disk

tldr: how do I erase all of the information from my startup disk? Logging into recovery mode and selecting "erase" has no affect on my disk's "free" space. While attempting to diagnose an issue I was ...
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Restore APFS Volume on an external USB disk which does not mount

I work with a MBP 15" (2019 eight core) and an USB HDD partitioned with an APFS encrypted volume. Yesterday, after a regular power off of my MBP, I plugged in my external USB disk and I got an error ...
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External FileVault encrypted SSD can no longer be mounted

I have an external 4TB SSD, formatted HFS (MacOS Extended, Journaled, encrypted). It has one volume, called "Daten". All of a sudden (after installing 10.14.6 Supplemental Update) the volume no ...
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Very slow write performance 30min+ for 2GB - APFS?

Yesterday I have been working with Docker on my MacBook Pro 2012 which runs Mojave and the internal drive has been automatically converted to APFS (seems to be so for startvolumes since Mojave). It ...
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Reinstall macOS on Ubuntu MBP

After an update broke my 2015 MBP, I installed Ubuntu 18.04 on it (via USB). Now I want to go back to MacOS. When I boot into recovery mode (cmd+optn+R), I reach the usual menu of options. When I ...
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1answer
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Can I make snapshots of an APFS non-bootable volume?

I have a Samsung FIT external drive with two partitions. One is ExFAT for interchange with Linux Systems. The other partition is APFS (Encrypted). I would like to backup the APFS volume using ...
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Best practices for second hard drive on macOS

I’ve a 1TB Mac Mini (Seagate hybrid HD + SSD) but I’m running out of space so I bought a second drive (Samsung 860 EVO 1TB). Since it is as large as the first hard drive I don’t think using fusion ...
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MacBook Pro (2011) shows flashing folder at startup but the disk is valid

I have a MacBook Pro (early 2011) and recently the laptop boots to a white screen that flashes a folder with a question mark. I know that means the laptop cannot detect an available startup disk. I ...
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how can I diagnose the root of the problem when my mac starts freezing for 10 sec each time I switch to an app?

At random points during the day (but not every day), when I've been working quite a bit, MacOs gives me continual freezes for 10-15 sec. This especially happens when I switch between apps and when I ...
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Why does Apple not recommend storing your iMovie library on an external drive?

I want to try keeping my iMovie library on an external drive because I use both my Imac (at home) and my MBP (when traveling) to edit my videos. Ideally, I would like to use a SD card so that it ...
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External Hard Drive freezes macOS and applications

I have an external USB 3 hard drive that I have mounted on my iMac at all times. It serves several functions: Time machine backups for the local iMac Acts as a shared Time Machine destination (my ...
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Does NVRAM reset enable installing/removing Boot Camp disk?

Two identical Macbooks, from the most recent golden days when all components could be pulled out and in, and the laptops were disaster-ready out of the factory. One has a Boot Camp disk, the other has ...
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How to Stop Encrypting process in external hard drive? [duplicate]

I Have an external 8T external hard disk on "encrypting" process since 10 days in my MAC ... and stuck in 27% ... * Seagate with APFS. How can I stop the process and access to my info ?
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Partion Samsung T5 on MAc

I have a 1G Samsung T5 that I would like to partition into 2 partitions so I can use one of them for Time Machine backup. However the Partition button in Disk Utilities is always grayed out for the T5 ...
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Reboot and Reinstall OSx Lion with Snow Leopard currently installed on my Mac

I have Snow Leopard installed and only have the original disk of Lion that came with the Mini Mac. The Mac won't boot and stalls during the reboot phase. Obviously I don't have a recovery partition ...
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Why can't I copy a drive in full to another drive?

I am trying to copy one drive to another (both external) - from a 1TB to an empty 4TB drive. I reformatted the 4TB drive, and here is its information: $ sudo newfs_exfat -N /dev/disk3 Reformatting ...
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Restore previous-released OS version(mojave) from catalina public beta

I followed this article. Now I'm on 10.15 Beta (19A512f), which I think it is beta 4, I'm trying to restore a timemachine backup of mojave(10.14.5). My question is do I have to erase my entire disk ...
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Mojave install failure “OSIInstallElement failed, Failure Reason: PKInstallErrorDomain:112”

I'm trying to install Mojave on a brand new 2TB Western Digital external hard drive. I've formatted the drive as APFS. The installer gets partway through, and then fails with macOS could not be ...
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SSD runs slow only in specific Mac

So I've had a Samsung Evo 840 in my MacBook Pro (13-inch, Early 2011) for years now, but suddenly it became unusably slow, so I went ahead and tried to reinstall macOS. However it seems that it only ...
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Missing storage after deleting boot camp partition

Using an iMac 27 inch - Late 2012. I deleted my bootcamp partition and lost 300gb. I didn't let it uninstall properly, rushed and closed the window and thats where all the errors and lost space ...
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Is it any different to clone each partition separately VS cloning the entire disk, when clone is meant for data recovery?

As directed by an answer on: How to create an accurate byte-level copy of an SSD to another drive?, I tried to clone my Mac internal disk of 256GB. When I ran diskutil I got this: /dev/disk0 (...
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Why does unplugging a drive lead to data loss when moving files?

I did a cut and paste (Comd+C then Comd+Opt+V) on my Mac 10.14’s Finder to move some .mov files from my internal SSD to my WD My Passport External Harddrive. Alas, after a while, I move my Macbook ...
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How to create an accurate byte-level copy of an SSD to another drive?

TL;DR I need to recover lost files from an SSD but don't have the time to do it right now. How can I clone an SSD to another drive on byte level, including drive areas which the OS thinks are free? I ...
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Unable to mount my WD Easy Store 4TB [duplicate]

I am unable to mount my WD Easy Store 4TB on my Mac. I am using macOS Mojave - 10.14.5. I tried several commands using terminal to unmount, but all in vain. It shows ejected but still shows in ...
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Data loss due to lost connection when transferring to External HDD - are they on the HDD actually?

I did a cut and paste (Comd+C then Comd+Opt+V) on my Mac 10.14’s Finder to move some .mov files from my internal SSD to my WD My Passport External Harddrive (connected by USB 3.0 with a USB-C to USB ...
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1answer
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I accidentally caused one of my encrypted drives to start converting into a decrypted drive. How can I stop it?

One of my external hard drives used for Time Machine backups has an encrypted HFS+ volume. While in the process of trying to re-associate the backup with my system, I accidentally told it to start ...
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1answer
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SSD drive partition showing as FFFF on my MacBook Pro 2010

About three years ago I replaced my original hard disk on my 2010 MacBook Pro with SSD drive to make the system run faster. It did work fine until now. Regrettably I'm in this position now as my ...
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MBP TB 2016 Failed to format and crashes. APFS Container damaged?

Hy everyone! I need help restoring my MBP. 2016 MBP15TB I made a USB stick with Mojave, restarted with Command+R, went into disk util, and wanted to erase my SSD to start the install. The computer ...
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Why is my external hard-drive is not appearing (most of the time)

I recently bought an external hard-drive, Western Digital 4GB, and I have a MacBook-pro 2015 (15inch). When I received the hard-drive, it worked like a dream, I just re-formatted it to apple's file ...
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Macbook pro 2015 PCIE NVME HP EX920 M.2 Mojave Disk utility doesn't see drive

As the title says, if more specs are needed. As for right now no matter what I do, I can't get computer to read the nvme disk. What have I tried? 1: Moving around the drive in the socket 2: Trying ...
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1answer
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Cloning macs within a context of no internet access

I'm shipping a project which my client (the army) wants to run on new MacMinis2019, which they, being less tech saavy consider a whole (the mac with all the software and configuration installed on it ...
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Changing from FusionDrive to SSD + SSD on iMac 21.5" 4k (2017, A1418, EMC3069)

I've got a 2017 iMac 4k in 21.5" with a 1TB FusionDrive (HDD + NVMe SSD). I plan to open it to max out the ram as well as swap out the HDD for a SSD. However, I'm a bit at loss what to do with the ...
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Problems with bless tool

The computer is an early 2015 13" MacBook Pro. Two weeks ago we sent my spouses 15" in for battery recall, and bought an OWC Aura Pro to replace my internal 1GB SSD (we SuperDuper'd her 15" MacBook's ...
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1answer
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Force unplug SSD without eject and SSD partitions gone

I was working copy my photos to my external SSD hard drive from my iPhone. I created a new photo library on SSD(USB connected) and start import from iPhone. But SSD partitions were unmount by itself ...
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Network drive in finder sidebar disappears, is there's a way keep them in unmounted state?

I use Automator to mount my network drives on boot by following instructions from this link: http://osxdaily.com/2012/05/04/automatically-connect-to-network-drive-mac-os-x/ and then drag the drives ...