Questions tagged [hard-drive]

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

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370GB unused but cannot shrink APFS container

200GB unused, but can't change APFS container size due to minimum requirement I would like to shrink my APFS container on the macOS side to 100GB so that I can allocate more storage to Bootcamp. ...
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2answers
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I accidentally unmounted the External Hard Drive and now I want to re-mount it back

So I had the external 4TB Seagate Expansion Drive, and at one point I end up selecting unmount in Disk Utility when I tried running first aid. Now I wish to mount it again, I tried pressing the ...
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4answers
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6TB drive in Macpro 2008/2010

The 6TB drives have changed their mounting hole configuration. Has any vendor introduced a bracket for the 2008-2010 Macpro (I know these are different from each other, I own both) to handle this? On ...
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Can't erase hard drive or install new OS onto 2007 iMac

I've tried most things i've read online to try to fix this issues to no avail but I'll explain exactly what's happening. I think I accidentally deleted the EFI partition from my Mac which is the ...
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1answer
24 views

Can I use Time Machine but still be able to access deleted files on my Mac?

Normally I just copy important files on my external HDD or move the big files on there cause I don't have much space on my Mac. However, I want to try Time Machine, because it might be less prone to ...
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MacBook Pro 2009 question mark folder screen - holding down option shows my mouse [duplicate]

My MacBook Pro 2009 (A1278) is having an issue. When I power it up it shows a blinking folder with a question mark. I have tried most of the options that I've seen, none of them showing any signs of ...
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MBP SSD upgrade - which settings to change?

After replacing the harddisk drive in MacBook Pro with a Solid State Disk I am wondering which settings I should change and how. Thinking of things that are supposed to protect the SSD like ...
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1answer
1k views

HD does not show up when attempting to reinstall OS X (El Capitan)

I am attempting to do a fresh re-install of El Capitan on my girlfriend's MacBook. She called me the other night claiming the battery died and her macbook crashed, and when she restarted and went to ...
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How to restore an iPhone backup from an external hard drive (windows)

I backed up my phone on itunes and it took a lot of space on my laptop so I put the backup on an external drive, however, not knowing any better, I did not create any symlink. Is there any way I can ...
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2answers
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How to remove the use of master boot record from an external hard drive?

I have a 1TB external hard drive and I want to slice it into different partitions. When I try to do so, I get this error: can not modify external drive because it uses master boot record Is there ...
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Prohibitory sign after using SuperDuper!; MacBook Pro can no longer boot from MacOS X partition

This is going to be a long story, but please bear with me... I'm trying to recover a MacOS X partition that got lost on my Seagate HD. This HD was dual booted using BootCamp with Windows 10. I ...
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Bootcamp Assistant couldn’t roll back, How do I merge the volume back to Macintosh HD?

I basically tried to partition my 500GB hard drive to 350GB/150 GB ratio to install windows 10. However since the Bootcamp assistant could not download the windows support files it had to roll back. ...
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how to transfer files from mac desktop to an external harddrive

I have files on the mac desktop that I want to transfer to a brand new external harddrive. I do not understand why it is not a straight forward matter. I am trying to drag the files I want to transfer ...
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2answers
899 views

Show/Hide only specific hard drives on desktop and/or sidebar

Is it possible to show only specific hard drives on the desktop? I have a MacPro tower (3,1) with 3 drives. The boot drive is running El Cap, but there is a legacy boot drive that I would like to ...
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1answer
66 views

I deleted partition and now I don't see the free space in Disk Utility

so I do have a problem. I create a backup partition, by mistake via Time Machine on my disk. I wanted to deleted 'cause it was above half of my memory. I couldn't, so I type some commands I found on ...
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2answers
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Slow write speeds with APFS encryped external SSD

I bought an external SSD with a USB 3.1 gen 2 enclosure. I'm on macOS 10.13.6 with a MBP (late 2013). Using APFS I get write speeds of around 390–405 MB/s. So far, so good. However formatting the ...
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1answer
28 views

Why do system information and du show drastically different numbers

I'm getting messages that I'm running out of disk space. "About this mac" > Storage shows this: Note that it says I have 172 GB available, over a third of the disk. Assuming the messages about ...
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1answer
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Adding a new hard drive to RAID1 software RAID fails

I've got a Mac Pro 1.1 running macOS Server 10.6.8 that I want to use as a RAID-Server. I use Disk Utility to run a RAID1 set with two 500GB hard drives. Now adding a third 500GB hard drive to the ...
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1answer
555 views

How can I track the progress of dd after I've already started it?

I'm migrating my HDD to an external hard drive so that I can do a clean install of macOS Mojave. I'm using dd if=/dev/disk02 of=/dev/disk15s2 to accomplish the task. disk02 is the Macintosh HD (SATA-...
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2answers
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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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trying to Recover an HFS+ Partition The table looks fine but Disk Utility and fsck_hfs failed

I have been trying to recover my partition, on another mac, running Sierra, first I tried the usual, disk utility, and I got a list of "missing thread record" like this Then I moved into TestDisk and ...
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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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2answers
34 views

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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3answers
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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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1answer
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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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37 views

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
266 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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24 views

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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1answer
36 views

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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0answers
37 views

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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1answer
77 views

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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15 views

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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0answers
21 views

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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3answers
83 views

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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0answers
21 views

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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0answers
25 views

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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0answers
531 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 ...
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0answers
29 views

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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1answer
3k views

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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3answers
74 views

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
26 views

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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1answer
79 views

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 ...
2
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1answer
35 views

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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2answers
29 views

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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0answers
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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 ...