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

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Apple Hardware Test result: 4HDD/11/40000000: SATA(0,0). But repaired Disk and Permissions w/o a problem

Ran an Apple Hardware Test. Result: 4HDD/11/40000000: SATA(0,0). Then repaired Disk and Permissions. Result: Volume appears to be okay. But during use, sometimes it freezes randomly and my MBP ...
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120 views

Fix hard disk not detected after force eject

I got an HDD on my Mid 2012 Macbook Pro 13 inch. I decided to upgrade to SSD and I want a clean install of El Capitan. After the SSD ugprade and OS installation I connect my old HDD as an external ...
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520 views

How can I eject my external Time Machine hard disk attached to a MacBook Pro?

I used the external hard disk with Time Machine for the first time. After that when I tried to eject the disk, I got a message saying that it can't be ejected because it is being used by some ...
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25 views

Installed SSD in Macbook Pro 2011 and now the DVD player won't read disks

I just installed a SSD (Crucial MX200 2.5" 500 GB) into my late 2011 Macbook Pro (running 10.8.5). The DVD player will accept a DVD (which works fine on another computer so it's not the DVD), and the ...
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34 views

Partition problems - No LVG detected in Terminal after BootCamp Erase through Disk Utility (I know, I messed up)

I'm very stuck trying to get my system to recognize a full HDD and run Yosemite cleanly after a poorly-executed BootCamp removal. Here's the steps in the process so far: I erased a Windows Partition ...
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30 views

new Hd and shuts down iMac 2010 mid 27 inch issues

HD died, read tutorial, installed new Hd connector position was not closely monitored on restart fan was loud had time machine back up (old by 2 months ..i know...) downloaded a fan control app (?) ...
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73 views

Cannot delete Free Space on iMac 5K after I deleted Boot Camp partition with Disk Utility

I had Windows 10 installed via Boot Camp, and everything was running smoothly, except I did not think ahead when I had made the partition initially. So as I was using Windows more, I eventually ran ...
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33 views

Disable boot volume

I would like to know how to stop a volume from being bootable. I've recently installed an SSD into an iMac by replacing the DVD drive with an SSD. The original hard drive is still in the iMac and is ...
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50 views

OS X Harddrive locking me out

I am trying to log into my mac (OS X Yosemite) but it keeps showing me this: I can't even go to recovery mode because when I hold option after rebooting, the only thing that comes up is "Macintosh ...
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136 views

What are the advantages or disadvantages to Logical Volume Groups vs traditional partitions

I recently installed a new 3TB hard drive on a Mac Pro (3,1) running yosemite. With other hard disks, I had previously installed the hard disk and then erased in disk utility getting the traditional ...
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81 views

Western Digital Firmware updater will not detect drive

I have two western digital for mac external hard drives. And both were disconnecting when I plug them into a USB 3.0 external four-way port, but not a USB 2.0 port. Found out this was a common ...
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60 views

Scripting a Partition Scheme for CoreStorage - Mac

I've read a lot of information about the CoreStorage/Fusion Drive setup. In our environment, we work on a multitude of configurations of Macs, many with multiple operating systems on them. As such, ...
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21 views

What activated Continuity on my MBP?

My process of upgrading my early 2011 13" MBP (running the latest El Cap beta) to an SSHD was far more complicated than it had any right to be: I got an SSHD from Amazon, put it in the ...
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38 views

Are slow format speeds indicative of more severe hard drive problems?

I have an mid-2011 iMac, that has 4GB of RAM and a 500GB HDD (not SSD). Over the past few months I have experienced: Fairly frequent beach balls/general system slowdowns A worrying number of errors ...
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23 views

Can't find storage after fixing EFI system partition error

I followed How to fix the error: "This disk doesn’t contain an EFI system partition"? In the final step sudo dd if=/dev/disk1s1 of=/dev/disk0s1 I cloned an existing ESP from an internal ...
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110 views

Boot Camp partition won't show

I had Windows 10 installed on Boot Camp and updated Mac from Yosemite to El Capitan. Afterwards, I could no longer boot to Windows... I want a way to get to Windows or at least get to data on the ...
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103 views

Can't format new SSHD?

I just got a new SSHD, but when I tried to put it in my early 2011 13" MBP and format it from a bootable drive, Disk Utility kept giving me the error message: could not mount disk0s2 with name (null) ...
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185 views

Recovery mode Disk Utility can't see new internal hard drive

Lots of similar questions, but no one seems to be having the exact problem I am. Hard drive on my mid-2012 MBP (Mavericks now, but originally Lion) died; I do have backups (including a clone of the ...
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91 views

How do I use bootcamp or virtualbox to run my windows 7 machine from an external drive on macbook pro?

I already purchased and installed my Windows 7 on an old PC laptop that is about to die. I want to continue using my PC-only programs but I want to upgrade to a macbook pro. I just learned about ...
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58 views

How do merge the free space to my Macintosh HD partition?

I have approx. 370 GB of free space from which I want to merge 200 GB to my Macintosh HD disk. Can anyone please help me on this? I am not even getting the resize option there. System version: ...
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288 views

SSD doesn't boot anymore when plugged inside Macbook Pro

I've got two hard-drives in my Macbook. A SSD (connected to the original hard-drive connector) and another drive connected to the optical drive bay with a kit. Since this weekend I can't boot from ...
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129 views

How to install Windows 7 64-bit to mac-pro whilst 32-bit version already installed?

I currently have 32-bit Windows 7 installed on my Mac Pro and I want to install a 64-bit version, because mac-pro 64 bit and there is 8GB RAM . But the Mac Pro doesn't see it when it restarts.( DVD ...
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13 views

Cumulative drive access per process over time?

I would like to isolate what processes are accessing drives the most over a given period of time with as much detail as possible as far as even seeing kernel level access. I have thought about ...
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49 views

Bootcamp problems have left my hard drive a mess

I have been trying to install Windows 8.1 via Bootcamp, and have had several problems that have resulted in failures (those are perhaps a different post). I'm using Yosemite. Currently when I run ...
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22 views

Macbook air won't show main harddisc

My macbook air won't show the main harddrive. I have tried to clean it by deleting the disc, but now it won't show up when i wan't to reinstall OS X. I have tried to go to disc utility, but i won't ...
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39 views

RAID + FileVault and startup partition

From this answer: Why doesn't FileVault work on a RAID volume? I learnt that it is possible to have RAID and FileVault together. However it seem that the solution is for a separate data volume not ...
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103 views

Booted from Cloned drive works slow

situation is, i have to give up the Mac... Macbook Pro (Retina, 15-inch, Late 2013), 2.6 GHz Intel Core i7 processor, 16 GB 1600 MHz DDR3 RAM/Memory, Intel Iris Pro 1536 MB graphics, & a 1 TB ...
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99 views

Error 43, unable to open files on external hard drive using Preview

Using Snow Leopard 10.6.8 I can't access files with Preview on my 2011 WD myBook 1TB external hard drive. When I try to open a file it says "application can't be found" follows up with "an ...
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28 views

Word damaged files after hard disk clone

I tried to clone a hard drive to a new SSD. Something went wrong, and the old hard drive wouldn't work with me and was now called disk2s2. The new SSD seemed to have all the data, but wouldn't boot. I ...
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95 views

Loading Any USB Flash Drive onto an iOS Device

I have a SanDisk Ultra USB 3.0 flash drive with 32 GB storage on it, and would like to view its contents on my iPhone. I have seen flash drives that are made particularly for iOS devices and have ...
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81 views

MacBook Pro 13" Retina RAM upgrade Yes / No

Current Situation : I am trying to figure out if in my situation a RAM upgrade from 8 GB to 16 GB is worth the $. Here is my specific situation. I am a simple apple user with a lot of Data. I ...
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134 views

Time capsule wired backup transfer slow with fast “bursts”

This has been asked already by someone else here, but there was no answer so I like to ask myself again. I got literally the same behavior, a slow down in read mode from initially like 50MB/s to like ...
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1k views

Error when trying to move Photos Library

Can't find a likely looking existing question so here goes: I just updated to Yosemite and successfully (?? well -- it seems to work ) migrated my iPhoto library to Photos. Now however, I would like ...
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51 views

How to monitor progress of disk decryption in recovery mode

As the title states, I am decrypting an external drive using Disk Utility in Recovery mode, and would like a way to know the progress or completion as well as any errors. Is there a known way to do ...
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160 views

MacBookPro 5,4 won't boot with SSD

So my HDD in my MacBookPro 5,4 (2009) would click sometimes, and once it'd done that the laptop would just lock up. Can't really do with getting a new MacBook at this time, so thought I'd buy an SSD ...
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90 views

How do I install Mac OS X Leopard on a SSHD?

I am going to get a Solid State Hybrid Drive. How do I install Mac OS X Leopard to it and how do I use my Time Machine backup to move my stuff back over? Using a Power Mac G5 Quad. I am going to use ...
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78 views

Windows 7 Installation - Missing operating system

I have replaced my superdrive with hard drive in order to install windows on it. and I have followed the tutorial here - Boot camp install of Windows 7 issue, no bootable devices And after ...
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32 views

Hard drive fan making a rhythmic high pitched noise? (Late 2006 17" iMac)

identifier - iMac5,1 I've had this issue going on for a bit and I've gotten used to it, but I'm really wondering what it is. So, the hard drive fan in my iMac makes this constant high pitched noise ...
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17 views

hardware status for iOS devices

I have iPad Air 2 with latest iOS 8 update. Recently, I have started experiencing some issues with opening apps on my iPad. It looks bit slow. Even when I press home button, home-screen comes bit ...
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89 views

iMAC MC508LL/A new hard drive, cannot install from disc

I was trying to repair a friends iMac with a failed hard disc. I bought a 500GB 850Evo SSD to replace the failed hard disc and installed it using the OWC kit. Now I am trying to get it started up. I ...
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47 views

MBP dramatically slowed over the weekend

I have my MBP (13" early-2011 i7) attached to an external screen (not in clamshell mode). I'm not sure what happened over the weekend but the MBP has been possessed somehow; first off it wouldn't wake ...
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124 views

How to solve continuing error “internal disk needs repair” after installing a 8 TB HDD in Airport Time Capsule (A1470)

I've replaced the failed 3 TB HDD (SATA 6Gb/s 64MB Cache) with a model number (ST3000DM001) in my TC (A1470) with a 8 TB HDD (from HGST model no HUH728080ALN600). I've used the Airport Utility to try ...
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34 views

Is it possible to install an OS onto a disk drive, then move and plug the drive into a different slot but still have it be totally bootable as normal?

MacBook Pro, 15" mid-2010. Odd question, I know. I want to shuffle around an HDD and SSD in my laptop. I'm wondering if I can install Mac and Windows onto the SSD, then move it to the optical bay w/o ...
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83 views

Macbook Air (2013), 10.11, & Bootcamp Problems

So I have a mid 2013 Macbook Air and I have it running 10.11. I have had a Windows 7 partition running in parallel (not the program) that I created using Bootcamp a couple months after I bought it. ...
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58 views

Hard disk doesn't show on boot after erasing with Disk Utility

I have inserted a new disk. It shows after holding the option key. Then I opened Disk Utility and successfully formatted the disk. I restarted and help option but now I can't see my hard disk. I ...
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56 views

Initialize 6 TB internal hard drive

I've found it both economical and flexible to use a docking station with internal hard drives (the ones that look "naked", i.e., have no plastic casing) for backups. I use this docking station to ...
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107 views

Time Machine Backup to Raspberry Pi NAS crashes when backup being deleted

I hope this is the right place to put this as I'm not sure if it's a RPi issue or a Time Machine issue. Basically, what's happening is I have Raspberry Pi Model B set up with an external hdd to ...
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41 views

Macbook Air Mid-2012 not booting

A day ago I got a message on my Mac that It's running out of space, so I ran a program named Omni disk sweeper to show me some files I can delete. I vaguely remember it showing me some temporary files ...
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41 views

Windows formatted disks owned by $USER, while Mac formatted disks owned by “root”, right?

I noticed that some disks were owned by $USER and some by root: $ ls -l /Volumes total 88 drwxrwxrwx@ 1 jdoe staff 8192 Jul 14 10:22 USBdrive drwxrwxrwx 0 root wheel 0 Jul 14 15:54 ...
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91 views

My SSD works on every computer except mine

I've asked several questions on Ask Different about an Intel SSD that I'd bought and tried to use in a DIY Fusion Drive in my early 2011 13" MBP. The Fusion Drive worked for a few weeks and then quit ...