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

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Is lowering my ODD fan speed dangerous after installing and SSD?

I've just installed a new SSD in my mid 2010 27" iMac. I put it in place of the disk drive (ODD) so now there is no optical disc drive in my computer. After I did the installation I noticed that the ...
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Dual boot Macbook Pro MD101 (Mid 2012), with OSX and Bootcamp windows and a FAT32 shared partition

I tried this and my hard disk looks something like this: I cant see the option to boot into windows at startup. I guess I can have only 4 partition so that this works efficiently. Can I just delete ...
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3k views

Airport Extreme 802.11ac Can't See USB HDD

Hardware: Airport Extreme 802.11ac Transcend StoreJet 250GB HDD Belkin 4-port, powered USB hub Configuration: HDD formatted as MS-DOS (FAT32) via Disk Utility HDD connected to USB hub Airport ...
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1answer
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Disk Utility reading disk incorrectly; viewing ext4 as JHFS+ and seeing Recovery HD

This is imported from Superuser, I felt like I would have an easier time getting an answer here than in Superuser - it is copy pasted, as below. So, I have some strange issues in Disk Utility and ...
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4answers
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Trouble with SSD/HDD in Macbook Pro Mid 2009

When my original HDD crashed I wanted to change it and choose a Samsung HDD (I don't not the exact model anymore). The problem with this one was that the system often hanged for several seconds until ...
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3k views

New Hard Drive Install Failure

I got a problem with my 2012 Mac Book Pro, I'm trying to install a new 750 Go Sata 3 with 7200 t/min WD Black in it. The problem is when i try to reinstall OSx Mountain Lion on it, it didn't find the ...
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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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10 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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How to load windows 7 directly (without Boot camp) in a Mac Mini with intel processor whose Hard disk crashed and so is replaced?

The hard disk of my Mac mini with 2 GHz intel processor and 4 GB RAM crashed and so I have replaced the Hard disk. How to load Windows 7 without loading Boot camp? Windows 7 original DVD is not able ...
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1answer
19 views

RAID Disk Space not Recovering

I have a RAID disk where I keep my virtual machines. Recently I created and deleted a few and noticed that the space taken up was not being reclaimed. I tried deleting the .Trashes directory via ...
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1k views

External drives won't mount on restart

One of my staff just got a new Mac mini with the USB 3 ports and Mavericks. It has 2 Seagate GoFlex 3TB hard drives connected: 1 for Time Machine, the other for Dropbox files. When the computer is ...
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How can I swap the contents of my two MacBooks?

I have two MacBooks (an old one mid 2009 with a 150 GB drive (128 GB used) and a newer from 2011 with a 300 GB drive (30 GB used)) and a 1 TB Hard Disk. What is the easiest way to move the content ...
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1answer
1k views

Time Machine Restore Button Greyed Out For External Hard Drive

I guess I will give the short long story to whats going on. I recently brought my computer (Mid 2010 Macbook pro) in to the apple store cause its been crashing for some time. The first time around ...
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1answer
25 views

How do I wipe the hd on an old iMac that is pretty well bricked?

I have an old iMac that I got probably sometime in 2000. It's the kind that has a big old CRT monitor built into it, so I dare not take it apart myself. I haven't used it in a very long time, but it ...
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1answer
26 views

Formatting hard drive

I scavenged a hard drive for my currently lifeless 2009 Macbook Pro 13. The scavenged drive (from a 2010 white Macbook) had been working because it was taken to an electronics store to have its data ...
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1answer
119 views

how to fix GUID hard drive corrupted to MBR

I am on OS X 10.9.5 with a late 2013 iMac. I have a 3TB hard drive that has an unusual problem. It is a Western Digital 3TB Red WD30EFRX. I formatted it with two partitions, both 1.5TB. One was a ...
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2answers
43 views

WD External Drive Automatically Unmounts [on hold]

I am running OS X 10.10 on a Mac Pro and I am connecting a 2TB My Book VelociRaptor Duo to it via Thunderbolt. If I leave the drive formatted in RAID everything works just fine. I need it formatted ...
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538 views

How to select which disks are allowed to sleep?

There is an option "Put the hard disk(s) to sleep when possible" in Mac OS X's preferences: Is it possible to configure which disks Mac OS X can put into a sleepy state? For example, I want to ...
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2answers
5k views

Should I put the SSD in the Optical or Main Bay when replacing Optical Drive?

I have 2010 MBP. Wanted to put SSD in optical bay (and use it as main boot drive) because main bay has SMS (motion detection) that HDD would use. The only problem is that optical bay in my computer ...
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1answer
25 views

Since Yosemite upgrade, I always need to “force eject” drives?

Whenever I have a hard drive plugged in the computer (mid-2011 iMac) that I want to eject, I get the message "unable to eject the volume, an application is using it, would you like to force eject?" I ...
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17 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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1answer
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MacBook Pro 2012 HD locks on boot

Today my laptop has started to lock the HD. When booted it either stays black with the fans going nuts or it loads up a dialog to reset pw. In this window I can choose startup disk from the top left ...
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3answers
6k views

How to upgrade firmware and reperform a Samsung 840 Evo on a Mac

i got one of these Samsung 840 Evo Basic 500GB on an iMac (used externally in a TB case - standalone, not Fusion). I know there's a firmware update out which is already available for Mac users too ...
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26 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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1answer
20 views

Encrypting from the Disk Utility vs Finder

I am testing two methods of encrypting a new hard drive. Using Disk Utility, I erased it and created two equal partitions (10GB each, the rest free space), both "Mac OS Extended (Journaled)". 1) From ...
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9k 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
7k views

MacBook Pro won't boot with new hard drive, but a different MacBook Pro will

So here are the details. My friend and I both have 13-inch Mid 2010 MacBook Pro's. Same processor and specs since they were purchased at the same time, but originally had 250 GB hard drives. His hard ...
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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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1answer
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macbook pro question mark on start up -no harddrive?

Am having an 13" macbook pro from 2011, recently during dj-ing my software just stop working. After the restart I've only got the question mark sign .I've try to fix it via internet recovery but my ...
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1answer
333 views

HFS+ invalid number of allocation blocks

Okay so a few days ago I wanted to install Ubuntu GNOME over regular Ubuntu and it gave me the option to automatically overwrite my Ubuntu installation (that I had on a separate partition from my OS X ...
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1answer
132 views

Hard drive no longer accessible

This is a 4 TB hard drive formatted in Mac's Disk Utility as a single non bootable Exfat partition with the drive letter G. It worked fine before I decided to make a clone drive of my C bootable ...
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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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4answers
1k views

Is it possible to restore OS X .dmg file to External Drive?

I recently traded in my iMac with 1TB HDD for a MacBook Pro with a 256 GB flash drive. I want to restore my previous hard drive but obviously it won't fit on the new hard drive. Is it possible to ...
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1answer
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I cannot do bootcamp but my hard disk only have machintos HD and Data

The bootcamp said that my disk cannot be partitioned or restored as single partition. I am using macbook pro 15" but idk the version but the graphic card said gt320m 256 MB and 350 GB HDD i5 do i ...
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1answer
23 views

recover partial backup data from a (potentially damaged) Time Machine disk

I am on a MacBook Pro Retina 15-inch, late 2013, with OS X 10.9.5 Mavericks. First of all, to clarify the question, my goal is to create a new, working Time Machine (TM) disk, that has as much as ...
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1answer
35 views

How to get a full backup of a hard disk from a dead MacBook?

My MacBook is not booting up due to some short circuit problem. Apple Store has promised that they can repair but there would be data loss. I want to take out the hard disk from the MacBook and take ...
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22 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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21 views

How to enable FileVault after upgrading SSD on a MacBook Pro with no Recovery Partition

I have been using a 1 TB SSD with my 17" MacBook Pro Early 2011. With the recent availability of 2 TB SSD's, I wanted to upgrade to the larger size. I have upgraded my HD several times since I ...
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23 views

Mount external HDD readOnly option

I have the following problem: I used the optical bay to use a HDD in my mid 2010 13" Macbook Pro in addition to my SSD. It was working just fine until a few days ago, when it started to get "slower". ...
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2answers
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Blinking folder icon - safeboot, recovery hd does not work

When I try to start my MBP early 2011 with Mavericks OS installed I get a blinking folder icon. SMC reset, PRAM reset did not resolve the issue. The MBP does not boot into the safe mode too. When I ...
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2answers
428 views

MacBook will read USB drives with no problem, but will not see the USB drive as boot drive

I am trying to install OS X Lion on a Macbook 4,1 which I've upgraded to 4 GB of RAM. It should support this OS, however I cannot get my Mac to see the USB drive as a bootable option. It's a SANDISK ...
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1k views

Disk problems and reinstalling Mavericks!

This started after I installed a BootCamp Windows 8.1 partition. That partition ran out of space so I decided to not heed any warnings and tried to format my Macintosh HD into free space, 10G of free ...
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1answer
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How to backup and restore MBP hard drive before reinstalling OS X?

My MBP Retina 13″ late 2012 is showing the stop sign and I know that I need to reinstall my OS. I have not got my hard drive backed up with Time Machine. Is there a way in which I can backup my hard ...
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3answers
14k views

Problems reinstalling OS X Mavericks on Macbook Pro (hard drive displays “locked” and I get “live file system repair is not supported” when repairing)

I'm trying to fix someone's Macbook, and I am a Windows user so I'm having trouble confirming that his hard drive is ruined or unfixable which is what I think is the problem. When you boot it up it ...
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Difference in disk usage MS DOS vs Extended Journaled

Searches on Google and the Apple forums didn't get me any answers or couldn't clarify this for me, hence this question. I have two following external USB hard drives connected to my iMac: "Lacie1" ...
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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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How can make changes to a hard drive being shared with a Windows machine?

So, this may be a unique issue and goes to show my ineptitude with Apple products. But, I have a hard drive that I share with my Windows PC that I use for storing all my pictures, music, and movies. ...
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2answers
55 views

Which upgrades to my iMac 2011 will improve performance the most? [closed]

I have started a job that will require processing of large datasets using python and ArcMap (separately and in conjunction with ArcMap). I have a 2011 27" iMac with the 3.1 Mhz i5 (3rd generation I ...
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1answer
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After removing Bootcamp, my Hard Disk has around 80GB missing

I removed Bootcamp earlier via the BootCamp Assistant, and it flashed some error up that I just ignored. Now, when I've gone back to reinstall Bootcamp, I've noticed that while the disk reads as ...
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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 ...