Questions tagged [hard-drive]

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

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Seagate External Hard Drive locked, can only read not write

What Happened: I plugged in my Seagate backup hard drive today (not Time Machine) after a few months and my computer can read the drive but not write to it. Two obvious problems: 1) The drive is ...
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1answer
93 views

Bootcamp “Missing Operating System” on external drive

I've been using an external disk drive to use boot camp on my MacBook Pro (13-inch, Mid 2012). It's 1TB, so recently I added a partition to store extra files on it (350GB for boot camp, 650GB for ...
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External drive won't eject cleanly

I have several external drives, all of which work fine, but recently purchased and backed up to a new drive (Samsung T5) which always fails to eject cleanly. Whenever I try to eject it, I'm asked: “...
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Harddisk exchange from one MacBook Pro to another MacBook Pro with same configuration and model with different serial no

I am working as a system admin in a corporate company. Today I got one ticket from HR. HR is using MacBook Pro having a 100 GB harddisk. He needs to upgrade the harddisk from 100 to 500 GB. What I did ...
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2TB Seagate Expansion Portable Hard Drive not appearing in Disk Utility

I know this has been asked before but I wanted some help ASAP so recently my Seagate 2TB External Hard Drive was working fine, then all of a sudden it stopped working while I was copying some JPEGs to ...
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Other Volumes issue after a crash/reinstall… Is there any way to recover the data in the Other Volumes?

I had my mac crash last month, and I did a reinstall... But I guess I didn't delete the old volumes first. Now I have most of my internal drive is "Other Volumes". 1) Is there any way to access that ...
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Plugged in hard drive externally and it doesn't show up in Disk Utility but is visible on another computer

My hard drive recently died and I had it replaced on my mid-2010 Macbook Pro (15). The hard drive, when plugged in with a SATA/USB connector does seem to power the 2.5 HDD (the light on the cable is ...
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Missing disk space after failed bootcamp partition

So a bootcamp installation failed and now I'm out 400gb of space on my drive. I have looked and found solutions but unfortunately I don't have the sufficient know-how to apply them to my situations. ...
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1answer
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Accidentially broke a header - but do I really need to worry?

I was upgrading the memory, SSD and optical drive (modded a blu-ray drive with the original upper shell from the SuperDrive) in a MacBook 2010 White Polycarbonate a1342 when I realized that one of the ...
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Time Machine: copying backup to new disk never ends and goes beyond initial folder size

I am trying since several days to transfer a Time Machine backup to a new larger disk (target disk). I followed Apple Support instructions and formatted the target disk as "Journaled HFS+". But when ...
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macOS not installing properly on A1502 Macbook 13 inch

I'm trying to install macOS Catalina on a new SSD and the hard drive is showing up in my installation however, once the installation is about to complete the computer restarts and goes back to ...
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RAID member needs to be deleted, not showing up in terminal

The drive is 500 GB. Could it be anything besides a messed up connector or something? I've tried multiple SATA connectors. I type diskutil list and get this: /dev/disk0 (internal, physical): #: ...
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How to use a 2 TB external hard drive containing existing data as TimeMachine backup storage without losing data already on it?

I have an 2 TB external hard drive. It is formatted as NTFS format, supported by ntfs-3g which is installed using Homebrew. There is already about 500 GB data existing on it that I need to keep. I now ...
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144 views

How to claim free disk space in APFS after deletion of huge amount of files? [duplicate]

Given: Macbook pro 13 Inch with MacOS 10.15.1 (Catalina), 500 GB SSD built in. Hard drive had 34 GB of free disk space according to diskutil and df -h. Wanted: Reclaim free disk space. What I did: ...
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How Can I Delete Some Disk Images in My Recovery Partition? [duplicate]

When I updated my mid-2011 MacBook Air from Sierra to High Sierra last year I had some installation issues... which resulted in creating at least 2, maybe 3 disk images in my recovery drive. I have ...
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Need to connect multiple 3.5" hard drives to the Thunderbolt port of a 2012 iMac

I have a 2012 iMac that I'm currently using as a file server. I need to connect several 3.5" hard drives to it, and its USB 3 ports are currently used up with other devices. So what I'd like to do is ...
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iMac 27" Mid 2011 — fan issues when removing internal HDD?

My iMac’s internal HDD has died. No big thing, as it was not used anyways. The iMac came with an SSD and HDD from the factory and I’m fine with using the SSD only. (note: this was the pre “Fusion ...
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How to install Ubuntu on original APFS Mac SSD?

I have a 2015 MacBook Pro 12,1 and I replaced the original 128GB SSD with an OWC Aura X2 1TB SSD. I was able to put the original 128GB SSD in an enclosure that they provide. I would like to use this ...
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192 views

Partition Map Check failed because no slices were found - External Drive

I have a WD My Passport external drive which is giving me the runaround. Yesterday I unplugged it from a Windows PC I was using without 'safely removing' because there was no icon in the system tray ...
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139 views

How to create a disk image from an APFS volume?

I have an APFS encrypted 1TB SSD that I pulled from my now-dead MacBook Pro. I placed the drive into a USB dock and can mount it fine after entering the disk password. I cannot, however, take an ...
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81 views

How to move my files to iCloud drive without using my local disk space?

I have a Mac running Mojave and got into a situation where I don't know how to solve: My 512Gb SSD disk is divided into 2 partitions (200Gb and 300Gb each): The first partition is where the OS ...
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Double Erased my 64GB flash drive, but failed both. How to fully erase it again and make it work?

TL;DR I formatted an USB drive on my AndroidTV which failed, and am now trying to fix it from my Mac. Right now I can see the drive in diskutil list but it neither shows up in Finder nor in Disk Util. ...
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Empty trash from external hard drive

When my external hard drive got disconnected (without ejecting), it created a .Trashes folder. Now, I'm not able to delete the folder by emptying the trash. I keep on getting The operation can’t be ...
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DiskUtil seems to have accidentally erased my external SSD while trying to add a partition. Help?

I'm running macOS Sierra and I have a 1TB external SSD that I've been using, which just had one big macOS file system partition. I wanted to add a second 80 GB partition to the drive so that I could ...
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345 views

How to safely remove unused Xcode .pkg files from /private/var on Catalina?

EDIT: I have solved the problem (the main cause of it, at least). The issue seemed to stem from rouge XCode installation files that were cached in private/var/folders/gh/... during several failed ...
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1answer
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How can I restore an Application state from a cloned system?

I successfully restored my iMac after a hard drive failure, but the Time Machine backup was a bit old. I can access the "failed" hard drive as read only, which contains my most current files. I ...
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1answer
45 views

MacBook hard drive not being recognised

I have a late 2011 MacBook Pro and the disk doesn't isn't being recognised. So far I’ve tried: using disk utility, but obviously I can’t repair a disk that doesn’t appear in the left column running ...
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secureErase not working for 2nd drive

I'm trying to delete Purgeable Data on second drive. For 1st drive "Mac" I ran: diskutil secureErase freespace 0 /dev/disk1s1 And it worked But for 2nd one "Data" : diskutil secureErase freespace ...
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External SSD drive, problem restarting Mojave

Here is a situation: iMac 5K from 2014 with Fusion drive, fusion drive is formatted as APFS, volume is called DATA and there is nothing on it. Firmware password is set. External USB drive (SSD) is ...
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MacBook Pro internal hard drive failure: Missing EFI partition

2 days ago as I opened my laptop (mid 2012 MacBook Pro running Catalina), it booted in recovery mode. Disk utility was showing me my internal hard drive and its partitions : disk0s1 and BOOTCAMP. ...
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1answer
285 views

How to Downgrade from MacOS Catalina to Mojave- Creating a bootable hard drive in APFS format

I'm following instructions on how to downgrade from MacOS catalina back to Mojave as Catalina doesn't support ProTools. I was following the instructions fine and then I got stuck in the process of ...
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1answer
247 views

External Seagate harddrive suddenly not mounting nor responding to Diskutil

In short: has anyone tips to save my external hard drive or suggestions based on the extended explanation below? Last week, I plugged my Seagate 2TB Backup Plus Portable Drive into my Macbook Pro ...
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Show NTFS drives on Desktop

I have r/w permissions on my NTFS drive from Terminal by editing the fstab file with: sudo nano /etc/fstab adding LABEL=drivename none ntfs rw,auto,nobrowse However, due to the nobrowse option, ...
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Time Machine Avoid Full Backup after Clean Install

I have an iMac 5K with Mojave 10.14.6. The iMac has an internal SSD and 3 external USB HD drives connected. All these drives are backupped by Time Machine. I need to perform a clean install of ...
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Mac won't boot after Mojave 10.14.6 update

here's hoping that someone may be able to help. I updated my Mac to Mojave 10.14.6, from 10.14.4, I think, and when I returned to the Mac, was greeted by the message that no disk could be found, and ...
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1answer
67 views

OWC aftermarket 1TB disk missing in Mac Pro after erase process; not found in diskutil, startup list, or install-to list

I am selling a Mac Pro Late 2013. In anticipation of the sale, I erased the disk. The disk is a 1TB built-in SSD from OWC (Aura). After I erased the disk (there were 2 partitions, I erased both ...
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1answer
234 views

Is my fusion drive supposed to show as two different volumes in Disk Utility? (It shows just one in Finder)

After a time machine migration from an old iMac (non-fusion drive) to my new iMac (Fusion Drive), I noticed that in Disk Utility, my Fusion drive lists two volumes: "Macintosh HD" and "Macintosh HD - ...
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Migrating OS 14 from External APFS drive to internal Sata HD

External drive is the system boot drive. Although I have attempted to restore the SATA drive from the external drive and the time machine backup, the internal HD only contains a textedit file titled "...
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Disk size smaller than expected on new MacBook Pro

I have bought two new MBPs in the couple of weeks. One 256gb flash storage and the other is 1TB flash storage. The 1TB reports a 1TB drive. The 256GB drive reports disk size of of 251GB. Where did ...
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2answers
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Fresh install for MacBook

I have a 2012 MacBook Pro. A1278. It’s getting very very slow. Boot up is 5 mins. Random freezing. I thought it was just old. But I’ve done research and apparently it’s either the hard drive failing ...
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535 views

Internal HD not mounted after upgrade: Encrypted: ERROR -69808

I am asking for help on getting back into my MacBook Pro. I finally allowed a software update. I was a bit careless and didn't check what was updating. The account refuses my password, so I hold down ...
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SSD has missing size

I tried installing windows with boot camp. it went wrong! it said it had an error, it stopped and restarted my mac. the problem is - I have a 128GB SSD. but now, it shows I only have 83GB instead. ...
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1answer
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Encrypted APFS drive will not mount, RepairVolume reports disk OK

I had to encrypt an external backup volume while traveling. Unfortunately, now the drive will not mount. It shows up in diskutil and RepairVolume shows the volume being OK. Despite the passphrase ...
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How to reclaim space after removing bootcamp

I removed my bootcamp through "Boot Camp Assistant". Some how the 200 GB allocated for bootcamp didnt merged into Standard Macintosh HD drive. so i went for online solution and found following article ...
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How to investigate very high kernel writes: 850GB of data in 44 days?

This is what my current setup looks like: It WROTE 850GiB onto my poor 128 GiB disk in 44 days. I'm not quite sure what to make of that, especially since I use this machine for light browsing. It ...
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How can this folder be significantly larger on disk than the sum of its files?

I'm using an APFS-formatted drive under macOS 10.14, and I have found that various folders on my hard drive read like this when I use Get Info on them: 2,959,512 bytes (4.1 MB on disk) for 19 items ....
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1answer
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Using Migration Assistant corrupted Time Capsule hard drive

Recently, I tried to migrate a Time Machine backup to a new Mac. The Migration Assistant completely messed up. I ended up with a scrambled hard drive and completely empty Time Capsule. Called Apple, ...
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Retrieve old .bash_profile from hard drive using time machine [duplicate]

Apologies if this has already been asked, I searched through the prvious questions but to no avail. Last night, whilst trying to figure out how to open my bash profile through the terminal (its been ...
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1answer
25 views

2013 Macbook Pro - hard drive always full!

I have spoken to Apple support but didn't make any progress. I have very little stored on my SSD but for years it's consistently full. It seems like its replicating itself as when I last deleted some ...
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Best practice for mounting drive on logon

I have a MBP 2015, and use the SD card slot for a second drive; it's a slow micro SD card, but I only use it for backups, which suits my purpose. I've noticed that since upgrading to OS 10.13, the ...

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