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

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Seeking for some advice of Mac Mini vs Macbook Pro both maxed out specs [on hold]

I am looking for some advice about getting a macbook pro or mac mini. Basically, the case with me is that I currently have a mid 2014 macbook pro that is a base model. I use the macbook pro at home ...
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1answer
23 views

How secure are files on an unencrypted hard disc?

How secure are files, that I saved on an internal Macbook hard disc using OSX 10.11? I cannot check whether the hard drive is encrypted using FileVault as the machine crashed. I am thinking whether I ...
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18 views

Need help fixing hard disk partition map

I have a 500GB Samsung 840 PRO SSD drive. Until recently it was the primary hard disk in my Macbook Pro (late 2011 17"). I got a 1TB SSD which I decided to use as my primary drive instead, and put the ...
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13 views

Repair file damages on external disk, MAC_OS [on hold]

I opened a file .ods with OPEN OFFICE from my external disk and after 2 minutes, my mac fall sleep and when i reactive the system, openoffice window dissapears and on my external disk, file's size ...
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1answer
25 views

Why does recovery mode keep failing to install OS X on a new hard drive?

I had a hard drive die in my Macbook Pro (from ~2012) and I replaced it. I booted into recovery mode and tried to install an OS on the new SSD, but it keeps hanging at "installing additional ...
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22 views

Repair an exFAT drive on Mac OS X after it's been improperly disconnected

Very often an exFAT external disk stops appearing in OS X. It doesn't appear in Disk Utility, Finder, diskutil list or About this Mac/System Report/USB. The only way I have found to fix it is to boot ...
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1answer
50 views

DIY Fusion drive with 3 drives

Is it possible to build a DIY Fusion drive using 3 drives - 2 HD's and 1 SSD? Will the Fusion machinery optimise on three levels i.e. SSD, then fast HD, then slow HD? I have a mid 2011 27" iMac, ...
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19 views

Delete button for partition not clickable in Disk Utility

I had another partition on my MacBook where I had Windows installed (the partition is called BOOTCAMP). I am not using Windows at all any more, so I would like to delete the partition on my hard disk ...
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14 views

Western Digital - My Passport Pro 4TB Drive won't stay mounted in JBOD Mode

I have a WD My Passport Pro, currently having issues as I need to encrypt the drive in order to protect the data I am going to store on it. I am aware that this will not be possible with the drives ...
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1answer
25 views

How to mount ufsd_NTFS partition

I have a USB disk and when I try to mount get the following error mount: /dev/disk3s1: unknown special file or file system. diskutil shows /dev/disk3 (external, physical): #: ...
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1answer
54 views

Cannot use Disk Utility to create partition from free space on external USB drive

I have a 3 TB Western Digital red disk in a USB hard drive dock. The drive is GPT, and I have two volumes on it (one volume is "Microsoft Reserved", other volume is NTFS). The other part of my drive ...
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19 views

Encrypted Hard Disk troubleshooting

I have problems to read an encypted hard disk. Unfortunatly I do not remember if I did encryted with Time machine or Disk Utitlity. I think I did it with the first one (Time Machine) as I used the ...
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1answer
33 views

Folder with a question mark on purchased Mac

I just got my MacBook Pro mid 2012 laptop and stupid me did something to it, now I have a flashing folder with a question mark. The previous owner said she accidentally deleted the software when she ...
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0answers
16 views

How to purge all Xcode temporary data?

Is there a tool or method to purge all unnecessary Xcode temporary data? Xcode seems to be creating files each time you build an app or run it with the simulator. I'm not sure what I can delete ...
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2answers
51 views

Finding suitable SSD for my MacBook Air

I have a MacBook Air (mid-2012, MacBookAir5,2). I'm really far from terminology of this subject, I have no idea what is flash memory and don't know if all MacBook SSDs must have a flash memory ...
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21 views

Debugging verbose boot mode

My issue is that a MacBook Pro (mid-2012) started to have problems booting up today so I'm trying to debug the boot process by running it in verbose mode. The problem is I can barely read what it ...
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1answer
29 views

Boot Camp issue

My Windows system is a folder in the Startup Disk PrefPane, but shows an hard drive icon on my desktop. How do I turn it into a hard drive icon in the start up disk? I've tried everything but haven't ...
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1answer
152 views

Searching through a whole lot of PDFs on an external disk

I do have one Tera of Texts (mostly PDF) which is really really much (something like 100'000 documents). They are on an external USB3 and, of course, spotlight-indexed. When I look by text search ...
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1answer
24 views

Fusion drive benefits for Boot Camp?

I've got a late-2015 Retina iMac with Fusion drive. From what I understand, but want to confirm, is that there is no real benefit for Boot Camp as the partition is completely on the HDD side, so the ...
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1answer
30 views

Recovery: OS X Yosemite can not mount NTFS partition but windows can mount it in 10 minutes

I have a Seagate GoFlex 2TB external HDD that stopped working one month ago. The head of this external disk seeks continuously and produces sounds even when it is not connected to the USB port. On OS ...
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2answers
39 views

Missing disk space after repartitioning

I tried to make a partition and then tried to undo it. Now, I don't know how to get the missing disk space back. As you can tell, I have 751.28 GB disk. Macintosh HD and Recovery HD have 557.4 GB. ...
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1answer
81 views

Accidentaly converted from a basic disk to a dynamic one

I got a MacBook Pro (13-inch late 2013 retina) So I installed Windows 7 using bootcamp and all was fine. I then needed to create a 32MB FAT16 partition, when Windows prompted me to convert to a ...
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1answer
12 views

Can't launch or uninstall Disk Drill

I've got these two icons in my menu bar, which appear to be an application called Disk Drill (see red rectangle): Basically, I want to uninstall Disk Drill and have these two icons removed from my ...
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57 views

Can't make new partition due to error “volume Macintosh HD was found corrupt and needs to be repaired”

When I run Disk Utility on my 2012 MBP (SSD, running El Capitan) I sometimes get the error: The volume Macintosh HD was found corrupt and needs to be repaired. Other times, I get no errors. ...
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29 views

iMac disk write issues

I have a problem specifically with Photoshop Elements 12 Organiser and the ability to write to the internal drive on an iMac 5k with El Capitan. I have full read write access to the files on the disk ...
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28 views

Startup disk space mysteriously being consumed

Lately, my Mac OS X Yosemite has been having this weird issue where my startup disk keeps getting consumed by an unknown source. Every time I restart my computer, the disk space would come back ...
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21 views

Flashing Folder with question mark

Was getting this error and figured I had a bad hard drive, so I put a new Samsung SSD in my MacBook Pro 13. However when I try to install new OS X using internet recovery I can't find the SSD. The ...
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20 views

Install Windows to portable hard drive?

I'm trying to install windows on a portable 1tb hard drive and boot it via boot camp on the same hard drive. Want to know if this is possible? My main motivation is due to my school having mac pros ...
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28 views

External disks are recognized as internal ones by my iMac

When I connect portable USB disks to my iMac via a USB hub, my iMac always recognize them as internal disks. Like this, However when they're connected directly to the USB ports on the back of my ...
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2answers
48 views

What filesystem should I use to share across Mac (Yosemite) and Linux?

I need to move large files (5-5Gb) from a Mac to a Linux machine. Network transfers are too slow, so I wanted to use USB drives. However filesystems seem to be a bit of a nightmare: HFS+ is hard to ...
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20 views

Cannot create a dmg file and save it onto a usb flash drive. Error: Unable to create “ ”. (Operation not Permitted)

I currently am trying to create dmg files from folders inside my 128 GB flash drive. I recently re-formatted it into the exFAT format. The folders I am trying to convert into a dmg file are around 15 ...
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62 views

Hidden files taking up hard disc space?

I’ve used DaisyDisk to analyse my file usage on my MacBook Pro (mid–2012), but the numbers aren’t adding up. Of 500GB, it shows ~425GB used, but the breakdown only adds up to 280GB. The diagram itself ...
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30 views

Disk utility will not allow me to resize a partition on an unencrypted external hard drive

I want to back up a copy of Windows onto a new partition of external hard drive currently formatted in exFAT. I don't know how to use Windows, so I want to use my Mac (mid-2009 MacBook Pro, running ...
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1answer
18 views

Migrate 1 TB of iMovie '11 to iMovie 10.x if migration requires twice the disk space?

I have about 1 TB of movies in iMovie '11 (version 9.x) format, and I need to migrate this library to iMovie 10.x now. This process is described here: https://support.apple.com/kb/HT202853 However, ...
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40 views

Lost hard drive space to Boot Camp

Boot Camp caused ~200 GB of my 750 GB HD to disappear and I cannot re(un)-partition it through Disk Utility and when I try to reformat the storage through the terminal using: diskutil cs resizeVolume ...
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1answer
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VirtualBox VERR_NOT_SUPPORTED opening Windows 10 partition/vmdk

I'm trying to virtualize my physical Boot Camp partition, so I can do small Windows tasks from Mac without restarting. I followed mostly this tutorial but also read others. But now when I try to ...
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3answers
79 views

Can there be two separate Time Machine Backups on the same external drive?

I'm interested in buying an external hard drive. I'd like to know whether if it's possible (and simple if so) to have two separate Time Machine Backups from two different MacBooks at the same time?
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26 views

Hard disk default icons

This is just a curiosity: what's the reason I ended up having two different icons for two external hard drives? In my case in the Finder I have: The information panels for these two are: On ...
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1answer
39 views

Can I enable FileVault and then partition my hard drive later?

I just bought a 2014 MacBook Pro with a 512GB SSD. I updated to El Capitan today and when it booted up for the first time, it asked me if I wanted to enable FileVault. I chose not to because I wasn't ...
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2answers
75 views

Fusion drive is not working although the system can find the SSD

I own an iMac late 2013 with a fusion drive. Recently I installed Windows 8.1 using Bootcamp on a separate partition on my disk. After a few days, the booting process of OS X started failing and I had ...
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1answer
24 views

How do I create a browsable index of my External Hard Disks?

I have 7-8 External Hard Disk Drives. I would like to be able to know the content of each of the drives (files and folders) without having to connect them to my system (cumbersome). Is there and ...
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1answer
32 views

I've tried to export from Photos to hard drive but it says my Mac Hard Drive is in “read” only mode How change so I can export?

Took me forever how to finally figure out how to export photos/videos from the new Photos app to an external hard drive - which I must do to free up space as I have over 100 gig of footage I've shot ...
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1answer
77 views

Problem with 3 TB Fusion Drive, it can't be deleted, formatted or partitioned

I want to clarify that I already followed the instruction with I think I messed up the Fusion Drive on my 1TB iMac (with BootCamp) but I think I have mayor problems. I followed the instructions to ...
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2answers
41 views

How do I backup and external hard drive (iPhoto Library) to another external hard drive?

My iPhoto Library is on an external hard drive. I want to copy it to another hard drive as a back up. It looks like Time Machine only backups the internal hard drive and selected externals. I don't ...
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1answer
26 views

Macbook Air hard drive - nearly full warning [duplicate]

I went to upload some photos and videos onto my macbook air and was told there was not enough free space, so removed some things onto an external hard drive and emptied my trash. I now have over 30 gb ...
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1answer
38 views

MacBook Pro suddenly started to freeze with any action (using SSD)

I'm having a trouble with my MacBook Pro (Mid 2012). I have upgraded it (5 months ago) to use a Kingston SSD instead of a SATA, and everything was perfect. Very fast and smooth...until yesterday. I ...
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Cannot change startup disk - Yosemite

I've got a clean install of Yosemite on a brand new hard drive. All good, up and running (got to boot to it manually). As the title says, I can't get the system to boot from this hard drive. Error ...
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22 views

How to be sure that I installed the fusion drive properly?

Hello guys I would like to know how to be sure that I properly installed the fusion drive because last night I bought an iMac but I had to reinstall el capitan for reasons but since I'm a newbie I ...
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9 views

Can a backup HD be erased despite it NOT being able to be “unmounted”

An external portable HD simply stopped working [no longer recognised by my Mac] so I took it back for warranty replacement. He couldn't read or "unmount" it either [whatever that means] so I just said ...
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63 views

Not able to restore my 3TB fusion drive late 2013 iMac

Last weekend my iMac started to act in a very strange way. While I was working, my Mac was very slow and the mouse and keyboard didn't respond very well. So I decided to reboot because having two ...