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

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How to show Hard Disk icon on Desktop via Terminal?

Is there a command in Terminal that allows you to show the Hard Disk as an icon on your Desktop? I know the manual process of doing it, which is, Finder > Preferences... > General and check "Hard ...
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57 views

Fusion drive suddenly not bootable: “Too few free segments”, made read-only

I've dealt with a lot of disk issues over the years admining lots of different OSs, but this one is new to me... help/ideas appreciated before I give up and restore! Woke up this morning to my iMac ...
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3answers
2k views

How to install Windows 10 on external SSD that currently runs OS X?

I made the mistake of purchasing a MBP w/ only 128 GB of storage. When I ran out of space on the internal drive, I purchased a 512 GB external SSD, transferred all the data over to the SSD, and now ...
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2answers
61 views

Cannot copy from MAC to Pendrive

I attach pen-drive to my Macbook-air. It is detecting and I can also copy from my pen-drive to my Hard disk. But I cannot copy data from Hard disk to pen-drive. I tried with different pen-drives, but ...
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4answers
78k views

Disk Utility won't Unmount HD for formatting

I have two internal drives in my 27" iMac (10.8.5). An SSD system disk and a 1TB SATA drive. The HDD has been acting up recently, very slow performance, bad behavior etc. Tech Tool Pro and Disk ...
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1answer
810 views

Can't erase unmountable external HD

My external HD isn't mounted and can't be repaired by Disk Utility. However, I'm also unable erase the disk: $ diskutil list disk2 /dev/disk2 #: TYPE NAME ...
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1answer
6k views

You can’t change the startup disk to the selected disk?

I am booting my macbook through an external usb drive. At system preferences - startup disk when I try to select my internal harddisk it says: You can’t change the startup disk to the selected disk. ...
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1answer
90 views

How can I fix Error: -69877: Couldn't open device after interrupted formatting process?

This question, possibly the same question, has been asked: Couldn't open device However, my question hopefully demonstrates a more specific scenario as the situation in which caused the error ...
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2answers
164 views

How to fix Mac hard drive partition showing as Fdsik_partition_scheme

My situation seems very similar to how to fix GUID hard drive corrupted to MBR but with enough differences that I haven't been able to put together a confident solution. I have a 3TB Toshiba drive in ...
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3answers
12k views

Disk Utility vs Carbon Copy Cloner - How to clone your drive with Apple's built-in app

What is the point of using commercial apps like Carbon Copy Cloner when disk utility can also clone your drives? This article here ...
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0answers
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MacBook Pro 17" Late 2011 - Does the Optibay support SATAIII SSD?

I have a Late 2011 MacBook Pro 17" with an SSD in the main drive slot and a HDD in the optibay. Yet I was interested in installing a RAID0. I have checked with system profiler to see that, of course, ...
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8answers
77k views

How to eject my external drive when my Mac refuses because of Spotlight?

I have plugged an external disk to my Mac. Now, I want to eject it. But my Mac stubbornly refuses and says that an application may be using the disk. I have not launched any app neither opened any ...
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0answers
34 views

Cannot Repair Macintosh HD, after loading into OSX, it become a [X]

When i restart the computer and loading with the apple logo, wait for few second, and the apple icon become [x] My Mac is OSX EL Capitan (v10.11.3) I used Disk Utility "First Aid" and found that ...
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1answer
12k views

Why does Apple recommend a 2TB FD over a 1TB Fusion Drive for iMacs with 32GB of memory?

Under the 'Choose Storage' section on Apple's iMac configuration page there is a blue link titled 'How much storage is right for you? (Choose Storage) '. In that dialog it says: For the best ...
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2answers
4k views

How do I replace the hard drive in my circa 2008 iMac?

My circa 2008 iMac hung up today and wouldn't reboot -- it just hung on boot with the Apple logo and the spinner. I booted the Snow Leopard DVD and ran Disk Utility on the drive. It told me the drive ...
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0answers
20 views

Might have spoiled the flash drive while trying to create a bootable disk on Yosemite

Basically I was following the steps given in the following site: How to create a bootable USB stick on OS X I did not get a screenshot of the terminal, but when going through step 8, it was ...
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2answers
2k views

Is defragmenting an SSD drive a bad idea?

I have heard that defragmenting SSD drives will shorten the life span of a drive. Just wondering if there is any truth to this and if so could someone elaborate as to why this happens.
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1answer
102 views

My External hard drive fell and not showing up on Mac

1 week back my 1TB Seagate Expansion external hard drive which I used for Time Machine backup fell on ground. I freaked out and immediately connected it back to Mac. and to my horror the drive didn’t ...
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6answers
23k views

How to identify and fix files with corrupted / inaccessible disk blocks

I have a late 2011 Macbook Pro, running Mavericks 10.9.2. Its sole HDD is a 750GB drive, formatted with Bootcamp. It's still running reasonably well, but in running a defragment pass on it, I've ...
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5answers
42k views

What is filling up my hard drive so fast?

Last night (Because my hard drive was almost full) I freed about 4GB. Then I came back to my Macbook about 3hrs later (I left it idle) and Its was full again. Is something is eating my mac? If I go ...
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2answers
61k views

What are next steps when fsck reports “could not be repaired after 3 attempts”?

My Mac Book Pro 13.-" doesn´t get past the grey booting screen with the apple and the spinning wheel (The loading bar appears but when it´s done nothing happens) I have 220 GB in one single ...
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1answer
104 views

Mac Pro APPLE RAID volume questions

My Mac Pro 4.1 (circa 2009) has a MacPro Raid Card and the software shows two storage volumes - one 1TB SAS disk and one 2 TB SAS RAID volume. The removal of the Parallels volume leaves me with the ...
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4answers
73k views

MacBook Air: What taking up all my hard drive space [duplicate]

I have a 128gb MacBook Air running Lion. I am constantly having issues with disc space, but have no idea what is consuming it all. When I look at the disc utility break down, it says about 80% of the ...
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1answer
50 views

How can I reduce the hard disk space occupied by “Other”?

On my internal hard disk "Other" (as shown in "About this Mac") is using 167.99 GB of 251 GB. I already used Daisy Disk and removed 30 GB (it was 200 GB before). How can I further reduce it?
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4answers
11k views

External HDD can be seen in Disk Utility but not in Finder

I've been using my external HDD a lot of times before on my Macbook Pro 13" OS X version 10.9.5, but it doesn't seem to appear in my Finder anymore. It can be seen in Disk Utility, though. Can anyone ...
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0answers
25 views

Drive stays mounted for just a couple of seconds

I have an externa WD My Passport Pro disk configured as two individual 2 TB disks. After I erase it (Journaled, Encrypted, Case insensitive) it is mounted and immediately unmounted. Disk Utilities ...
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1answer
101 views

Upgrading SSD on mid 2014 MB: which SSD?

I have a pretty simple issue. The SSD of my mi-2014 Macbook pro (retina - MacBookPro11,1) seems to be too short (256GB). So I'm considering buying a 1Tb SSD for my Macbook, but I read, here and ...
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2answers
538 views

Fusion Drive constantly spinning up and down

I've got a 1TB Fusion Drive (with a Seagate 7200 rpm hard drive) in a Late 2013 27" iMac. While the iMac is asleep, the hard drive spins up and down every minute or so (without fail), creating an ...
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1answer
116 views

New SSD problem

I've just installed a new SSD replacing an HDD in my old (late 2008) iMac. When I switched it on all I got on screen was a question mark. On the advice of my son I tried cmdR during switch on with ...
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0answers
32 views

Does my stuck shift key affect the proper boot of my installation mediums?

I have a late-2009 unibody Macbook Pro. My left shift is stuck for ages and I have been avoiding this problem by pressing some other keys during boot to avoid safe mode and by using Karabiner to remap ...
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3answers
62 views

How can I alternate stopping the spinning disk and the fans?

I have a little bit of noise that I'd like to eliminate. It only bothers me in the dead of night, but at that time complete silence is a true blessing. My Macbook Pro has a spinning disk and two ...
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1answer
4k views

How to deactivate Adobe CS6 install on a damaged/corrupt mountain lion OS hard disk?

I have tried running the disk utility repair tool on my Mac OS HD to no avail. So I moved on to backing as many files (Documents, iPhoto Library, Desktop Data etc...) as I could through my Windows ...
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2answers
45 views

Inherit Time Machine backup after changing source hard drives

I am using Time Machine to backup an external HDD (A) (2 TB) linked to my computer to an external 6 TB HDD drive. I now had to shift the data from HDD (A) to a new 3 TB one (B). Is there a way to ...
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2answers
12k views

External hard drive not indexed by Spolight on Mac OS X Mountain Lion

I recently bought a new hard drive and it is not indexed by Finder. I tried to get it re-indexed by following this tutorial: http://reviews.cnet.com/8301-13727_7-10330114-263.html and I even tried ...
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2answers
193 views

I want to clean install OS X (El Capitan) on my MacBook Pro with two internal hard drives

I have a MacBook Pro Late 2008 with two hard drives in it. (I replaced the CD drive with my original drive and I added SSD 60 GB on which I installed the OS X Yosemite. This happened some years ago.) ...
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0answers
22 views

Can I make my external drive stop being busy so I can repair it?

I have an external drive that shows up in Finder (Yosemite -- 10.10.5) with it's top-level folders visible and correctly named, but the folders are shown as empty even though the drive shows the ...
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4answers
81k views

How do I get an operating system onto a new hard drive?

I will be installing a new 500GB hard drive in my macbook. It is a late 2008, aluminum, 13-inch screen. Once I install it, how do I get an operating system that's 10.7 or newer (downloaded from the ...
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1answer
44 views

If I replace my MacBook Pro hard drive can I reinstall OS X using Internet Recovery?

I have a MacBook Pro early 2011 and my hard drive is failing, I was wondering once I replace the hard drive, is reinstalling the OS X as easy as turning it on and booting into Internet Recovery, ...
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3answers
79 views

Macbook Pro Mid2012 Lags

I have a macbook pro mid 2012 and recently I upgraded it by changing the RAM to 16GB and HDD to 500GB SSD. It was fine for a while but now it lags a lot whenever I play any games or even when I am ...
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1answer
167 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
28 views

Internal (Apple SSD) hard drive problem

I'm having terrible issues with my Mac since I tried to restore the entire system from a Time Machine backup, which ended up showing a "an error occurred while adding a recovery system to the ...
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1answer
81 views

How to increase Macintosh-HD main drive partition size?

In my mac mini, It’s containt 500 GB HDD. It is a four partition and size described below. Please review below attached image. 1. Macintosh HD - 150 GB Main Drive 2. D-Drive - 125 GB 3. ...
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2answers
322 views

Why do I have /Volumes/Storage Drive?

In Terminal, I noticed I have /Volumes/Storage Drive. On my mac, I have no drive named Storage Drive. Furthermore, no Storage Drive appears in Finder or Disk Utility. When I cd inside Storage Drive ...
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1answer
14 views

Timemachine Mac Mini with 2 Hard Drives

I have a mac mini server with 2 Hard Drives, one for the system and active files (Server HD) and one serving as an archive (Archive HD). Is it possible to use Time Machine to back up both disks and ...
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5answers
17k views

“Couldn’t create temporary file.” error when erasing free space on external disk

I was trying to wipe the free space of an external USB 3.0 disk in OS X (Yosemite) disk utility. However, I receive the following error: EDIT: The disk is formatted as GUID / Mac OS Extended ...
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1answer
55 views

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

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
34 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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0answers
49 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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1answer
2k views

Can you Recover Data from a Filevault encrypted harddrive externally?

My mac won't boot and it maybe a harddrive issue, but I need to get the data off it, is it possible to recover the data using a set of tools if I know the password and have the appropriate cables?
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1answer
8k views

What is com.apple.bird? Why does it grow so big?

Trying to clean up their hard disk, some users discover ~/Library/Caches/com.apple.bird is pretty big. In the order of too many Gigabytes. What is it?