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

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Messed up my 1TB Fusion drive on my iMac with Disk Utility

Soooo something bad happened recently with my 1 TB Fusion drive on my 5K late 2015 iMac. I was creating a new 100 GB partition on my disk. So while the disk utility was busy scanning etc (doing its ...
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8 views

unlock external locked encrypted disk with applescript command by filling dialog box to cracking password by force brut

I make a terrible mistake. I totally lost my paper with the secret password for my encrypted external GUID hard drive. This external drive contains many pictures but also some works documents very ...
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2answers
27 views

How do I install new Mac OS onto a new unformatted HD

The HD crashed on my old MacBook (white Mid 2007) and appears to be unrecoverable. Though I bought a new MacBook Pro, I would like to resurrect my old MacBook, by buying a new hard drive. (It had ...
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27 views

My partition is using negative space. Should I worry?

As you can see, according to Disk Utility, I'm using negative space in /dev/disk0s7. This is obviously incorrect, however, I am slightly worried as to what this may mean for the partition's effects ...
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2answers
33 views

What file system should I choose when formatting a flash drive?

I need to write a few large files (larger than 4 GB) on a flash drive, but I can't do it, because the file system of the flash drive is MS-DOS (FAT32). How should I format the flash drive, so I can ...
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1answer
20 views

USB Drive Size Lost After Formatting on OS X El Capitan

This is strange. I formatted my 16 GB USB drive on OS X El Capitan with FAT file system and it worked fine. However, same drive on Windows 7 PC shows only 200 MB of size. Where the heck other drive ...
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18 views

How can I back-up my OS X instance and Restore from mounted drive?

Synopsis I have been having trouble With my MacBook Pro (Mid '12, 15") I deployed tonnes of work Sunday evening/early hours Monday morning before I went to bed, leaving my MacBook running but ...
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11 views

Can't copy files to the portable hard drive via OS X [duplicate]

I can't copy my data in the MacBook Pro to my WesternDigital portable hard drive. But I've checked it using the Windows OS. But the thing is it works properly when I am using Windows. If you guys have ...
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13 views

Deleting files keeps increasing the used space on my SDD

i have a mac air with a 120gb sdd, the drive is regularly filled up with iso images, virtual box files and docker/vagrant stuff, i got a warning today saying disk space was low and i had about 8gb ...
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7 views

iMac 24" 2.16 ghz core2duo

I'm trying to install Snow Leopard but iMac won't boot from the install disk. I've also tried booting from a flash drive with Snow Leopard Install on it with no luck. It also will not boot from the ...
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12 views

Prevent internal drive from mounting automatically

I don't use the internal hard drive on my iMac any more, but for obvious reasons, it's awkward to remove it. I'd like to stop OS X from automatically mounting it when the iMac boots. Is this possible? ...
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1answer
23 views

How do I download to an external hard drive? [closed]

I have a very large file to download, and I want to download it directly to an external hard drive and not to the download folder on my c: drive. Is there a way I can do this? There only appears to be ...
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1answer
27 views

Unable to account for 23.6 GB of disk space

I have a 13-inch MacBook Air, and have been using it for about a year now. There are 23.6 GB of memory that appear to be missing from my hard drive. About This Mac -> Storage shows 91GB of files, of ...
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1answer
40 views

Accidentally ran command to erase volume with “no format”, how can I get it back?

I accidentally ran this command and now I am missing 100gb of space, how can I get it back? All help appreciated!! diskutil eraseVolume free %noformat% disk0s2 Terminal gives this diskutil info: ...
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2answers
16 views

How do I make more space on a Macbook air? [duplicate]

I have a bunch of files that I don't need. I'm wondering what's taking up all the space. I am tempted to almost format the laptop and start fresh. What can I do to find out what is taking up all the ...
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0answers
14 views

Hardware Failure. Mac won't start

I have a Macbook pro from 2010 running 10.6. Recently, it has been acting very weird. It often freezes and when rebooted gets stuck at the loading screen. After enough reboots it does work. When ...
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6 views

Early 2011 Macbook Pro shut down during start up

My MBP has OSX (El Capitan... I'm pretty sure) and Windows 10 on it. The OSX shuts down during start up. It will show the apple logo and then a load bar that reaches about half way before the system ...
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1answer
58 views

Will there be a USB-C to thunderbolt 2 adaptor? I only need data transfer to be higher then USB 3.0

Right now USB C ports are just arriving in laptops and I unfortunately dedicated to go with a cheaper laptop (pc) but with thunderbolt-2. The thing I don't like about thunderbolt 2 products is the ...
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1answer
36 views

250G Disk space has filled up, but DiskInventory only adds up to 60Gs?

I cannot for the life of me figure out how my SD drive is filled up because I don't have any large files, especially enough to fill 250G. I used DiskInventoryX to do a map of my drive and got this, a ...
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1answer
19 views

Can not boot MacBook Pro 2011

I have a MacBook 2011 running OS X 10.11.5, 16GB RAM, 512GB SSD Drive. Today when I am restarting my computer, I accidentally pressed Cmd+R while booting. Now I try and restart my computer, it shows ...
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12 views

Can I download files directly into alias folder for Logic Pro X?

If I try to download sound files for Logic and they are supposed to get downloaded into the folder at ~/Library/Application Support/Logic/ and I have that specific folder made as an alias to a set of ...
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57 views

How can I repair hdd using Disk Utility if First Aid options (Repair, Verify) are all greyed out?

Would really appreciate any help in fixing an external drive so can use with my Mac again. I had a power loss & when computer rebooted it was unable to see the attached Freecom 320Gig Hdd (FAT32 ...
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11 views

OS X stopped recognizing my HFS+ Time Machine partition on my USB GPT disk

I have a 2 TB USB drive that's using GPT, but OSX (10.11.4) on my macbook pro (early 2015) stopped recognizing my HFS+ partition after I inserted a partition before it ("TESTPART"), effectively making ...
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1answer
35 views

How to restore OS X drive to factory defaults?

I turned off the Core Storage volume manager on my OS X partition (i.e. diskutil cs revert). Now my Recovery HD displays in Disk Utility and in Startup Manager. I don't like this and would like to ...
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1answer
57 views

Reformatting disk with no partition map

I have a 250GB hard drive that I tried to "burn" an ISO to (to make it bootable). Something went terribly wrong.This is what the disk looks like in Disk Utility (unmounted). When I mount it, this ...
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3answers
65 views

Swapping HDDs w/ Different OSX Versions, Possible?

My situation: I have a "late '08 aluminum" Intel 64-bit MacBook, still have Snow Leopard installed, and XP via Bootcamp, all on the original hard-drive. Yes, it's my "legacy" setup. The HD is 7 years ...
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1answer
29 views

corestorage failure: missing disk, how to recover data?

This morning, my iMac show me the prohibit sign. After hours of struggling, I'm facing this: the Mac does not want to boot up. I have a lot of recent files to recover, but have this issue: root# ...
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22 views

Change Mac App Store download location? [duplicate]

I currently have a Windows partition installed on my Mac, for CptS reasons, and since that took up a majority of my storage space, I've been using an external hard drive to save documents and whatnot. ...
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2answers
26 views

Always ask for password when mounting encrypted partition

I have an external disk with partitions A and B. B is an encrypted HFS volume with as password. (Presented as "Apple_CoreStorage" or "Logical Volume OS X Extended"). When I connect the drive, OS X ...
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2answers
107 views

Can Recovery Mode install OS X onto a blank SSD?

I want to install a new Solid State Drive (SSD) into the Mac. Can I just build in the SSD, start the MacBook in Recovery Mode and install OS X from there on? After reading a lot on the internet I ...
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1answer
21 views

Disk utility killed my external drive

I have a problem with disk utility. I have a external USB3 drive, formatted HFS+. It should hold roughly 500GB out of 1TB of Data. Now Finder told me, that the data was there but no files were visible ...
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22 views

External SSD not recognized after ejection or reboot

I have an USB external mechanical disk. It works fine, and I can remount it after ejection. Also, it is mounted automatically after a reboot, as it should be. I got an USB external SSD, too. It works ...
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1answer
28 views

Changing from Virtual Hard Drive to Blank External Hard Disk [closed]

I have a blank hard disk (1 TB) that has more space than the virtual disk I am running OS X El Capitan on (89 GB). My OS is running on VMWare Player version 12, being used on Windows 10 single ...
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1answer
179 views

Not enough storage for El Capitan; no way to free up space

I wanted to upgrade my Macbook 2008 from Yosemite to El Capitan. Unfortunately, when I downloaded it and restarted my computer, on the "select the disk on which to install" page the only location, ...
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16 views

Had to reinstall OS X due to corrputed journal: is this a symptom of something more serious?

I have a 13'' Macbook Pro from early 2011 with a Hitachi 320Gb. HD, using OS X 10.9.5. For the last few months, it's gotten slower and slower to become responsive every time it wakes up, and I've also ...
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28 views

Recover folder hierarchy, file names, file metadata from drive?

I'm posting this on AD because I'm using a Mac (Yosemite) to do the job. This is the situation: Friend 1 has a 600GB external HDD (FAT 32 formatted) that he has been using with Windows 7. With ...
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19 views

How to safeguard OS X Drive from accidents

While browsing i found this question Accidentally used dd on my main OSX drive Is there a way to safeguard or block these kinds of things to even run specially on my OS X Drive? Also noticed that ...
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21 views

Time Machine Network Connected to USB Connected Hard Drive

I have a Seagate 2TB hard drive that I connected to my router and have been using for Time Machine backups for the past two years. Recently I have disconnected this hard drive and attached it ...
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1answer
46 views

Disk size keeps shrinking [duplicate]

I am not a pro at Mac / OS X. But I know my way around. I just installed OS X El Capitan. However when I first started up, my harddisk used 30GB with 'other'. With time the capacity just keeps ...
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1answer
55 views

After login mac is stuck on progress bar

I have 15 inc Mac book pro with Mavericks installed. I can successfully on the Mac but I cannot login to my account. Upon press enter I get progress bar and after that I get grey screen then nothing ...
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1answer
68 views

How to format a Seagate HDD to OS X Extended (Journal) with Disk Utility

I have just got a new external hard disk, the Seagate Expansion 2 TB, and I am trying to format it to work on my Mac. I was told that I had to erase the disk and format it to OS X Extended (Journal) ...
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2answers
36 views

Can I use electrical tape instead of the plastic tab when replacing my hard-drive?

I'm replacing the hard-drive on my 2010 Macbook Pro, (This machine just keeps going, and I'm finally upgrading it to a SSD!) and I'm almost done (it's simple enough) but the plastic tab from the ...
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1answer
97 views

How do I backup 2 external hard disks to 1 external hard disk?

I currently own two 2 TB external hard disk and one 5 TB external hard disk. Is it possible to backup the two 2 TB external HDDs to the 5 TB external HDD using my Mac?
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3answers
50 views

New SSD can't be initialized

I have an old Macbook Pro for which I bought a new SSD and replaced the HDD with the SSD. Can't go further, see below. I really don't know what to do. I could return the SSD which, finally, might ...
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13 views

MacBook Pro running slowly: do occasional input/output errors on a ditto transfer suggest it is the hard drive?

I was pulling files off of my Daughter's Macbook Pro using Target Disk mode and saw ditto reported input/output errors occasionally. I'm talking just about 40 errors total in all of the 250 GB of ...
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28 views

howto encrypt “WD My Passport Pro” online? support.wdc.com with dangerous solution (no security)

I wish to encrypt my WD My Passport Pro drive. I receive error With Google I found An error message occurs when attempting to create an encrypted backup on a My Book Thunderbolt Duo in the Mac ...
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0answers
14 views

There appears to be data corruption when copying data from the hard drive to SDCard

When I copy some files from my hard drive to my SD Card the files become corrupt. But not all of them and not all the time. I get the following error: Unidentified codec VLC could not identify ...
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1answer
45 views

can't rename HD

My son's mac running 10.11 has the hard drive named this curie HD""""""""""" copying and pasting reveals lots of spaces after the sequence of " characters. I can't rename the HD in Finder. Every ...
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2answers
56 views

Seagate is not allowing me to make partition on MS-DOS (FAT) Or ExFAT!

I just bought an external hard drive (Seagate Backup Plus Slim 2 TB) for my Mac (Yosemite installed) for professional photography. I wanted to make partitions for both Mac and Windows, but it only ...
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1answer
29 views

MacBook Pro Hard drive crashed

I have a 2009 MacBook Pro 15". I woke up one day, but my Mac didn't. I was getting nothing but a blank screen so I tried to shut it down a reboot it. Now it won't boot up.. I get the white screen as ...