Questions tagged [hard-drive]

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

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Resizing an APFS Container

I have a laptop with two APFS containers. I wanted to resize the smaller container, but after reading this question and this question, I opted to delete the larger container. However, I am unable to ...
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Should I be concerned by this discrepancy in my drive space?

I was planning to delete a user account, and I noticed that it said that I don't have at least 87.1 GB of free disk space, even though my Macintosh HD shows that I have 159.4 GB free. You can see the ...
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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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How do I clear the purgeable area on my disk?

I cleared space on my disk by deleting files and emptying trash. But, I am unable to make use of the space that I freed up. That is, as you can see the disk reports 142 GB as Available with 83 GB of ...
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Stuck in recovery mode and unable to install OS X El Capitan

Hi to anyone able to help with this / having the same problem... I use a 2009 iMac A1224 20" with a SSD, running macOS El Capitan (the shop which installed the SSD also installed El Capitan back in ...
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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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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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1answer
255 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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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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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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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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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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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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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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Force eject a device

Because my drive will freeze occasionally, I would have to pull the cable out. (see the question below for more detail): Seagate Backup Plus 5 TB became unresponsive after long period of use I've ...
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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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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 ...
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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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Change APFS Volume to case sensitive

I have a macbook pro with 1TB internal glued flash drive, of which around 600GB are full. I would like to change the volume format from APFS (case insensitive, encrypted) to APFS (case sensitive, ...
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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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1answer
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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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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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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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1answer
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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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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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5answers
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New uninitialised SSD not showing in Disk Utility

I have bought a new Samsung EVO 850 SSD, it is yet unformatted. I have a SATAI/II to USB3.0 dock which I want to use to get the drive formatted, but it is just not showing up in Disk Utility (Recovery ...
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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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Bootcamp - Stuck on “Partitioning Disk…”

When attempting to add a Windows 10 (April 2018, build 1803) partition to my 2019 iMac, I get stuck on "Partitioning disk..." perpetually. When I look at Disk Utility, the OSXRESERVED and BOOTCAMP ...
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1answer
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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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3answers
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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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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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Is disk image encryption slower than partition encryption?

I am considering two options to encrypt some data: add a new encrypted partition add an encrypted disk image Which option is faster in terms of disk read/write speed? I suspect that an encrypted ...
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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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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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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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Error creating bootable USB

For two days my Mac has been "dead"; the hard drive crashed, so I reformatted (twice). I wanted to reinstall Mavericks via Recovery, but at the end of the process it shows nearly 1 million minutes ...
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1answer
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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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1answer
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No install location available in Mac Internet Recovery

I tried to start my Mac & a folder with a question mark appeared. I researched on Google and discovered it was a problem with the Boot partition. I saw how to fix it. I used Opt ⌥ while booting ...
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4answers
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Missing date in 'About this mac' window

I'm looking for used macbook pro and found this one. Why there is no date of manufacture in 'About this mac' window? Can it be hacked mac? Also on second screen shot there is mystical '1Tb flash ...
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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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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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4k views

Looking for OpenSource Cleaning / cache deleting application for Mac

In the times of small SSD harddisks, I was looking for an open source software to delete caches and other space wasters like logs, unused application remains and such on Mac OSX, and all over the web ...
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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 ...