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

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Corrupted WD hard disk? Macbook Air says “hard disk not readable”

So one night I finished editing a video and I was so excited that I got up and realised the hard disk was still connected to my Macbook Air. When I stood up, the hard disk was hanging on the Macbook ...
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3answers
28k views

USB Drive Will Not Mount, Not Listed in Disk Utilities, but Found In System Profiler

I have a Seagate FreeAgent Go drive with the optional docking station. I use it to keep files that I don't access on a regular basis and as a place to do "quick backups" of things like my Paperless ...
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0answers
9 views

How do I get my photos/videos off of icloud directly to an external hard drive?

I have a MacBook Air and a hard drive that is compatible. I have already moved all photos and videos from my computer storage to my harddrive so no issues there. My problem is that I can't figure out ...
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6 views

Grey screen apple logo prohibitory sign etc MacBook 2009

I have an older Mac book that will not boot. I have tried all key commands including fcsk which resulted in a "mach kernel" end result, so nothing worked. I don't have a system install disk (bought ...
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1answer
25 views

How can Disk Drill say it has recovered 2.4 TB of files when the HDD is only 2 TB?

I had a serious failure on a 2TB external HDD this week. Yosemite says the drive is "not readable by this computer." Oh well, it happens to all HDDs sooner or later. Even though the contents could ...
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1answer
1k views

External disk - Unrecognized file system (-69846)

I have an external storage with 2TB that was working nicely. But since last week, when I unplugged the USB before eject it, the disk is not readable anymore. When I insert USB, I can actually see ...
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2answers
2k views

Automatically shrink existing Time Machine Backup to a fixed size

I googled for hours to find a solution for this issue, but I couldn't find an answer that fitted for my problem. My setup: I have an iMac with a ~1TB Hard Drive I'm backing it up via Time Machine ...
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1answer
28 views

ATA Drive vs Flash Storage

I am a student who is looking to buy a Macbook. My budget is 1200 USD. I will be using it for programming mostly. I came across 2 laptops: 13-inch MacBook Pro Item Price:$1,134.00 Hardware 2....
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1answer
19 views

Does Time Machine take advantage of two backup disks to backup more fine-grained snapshots?

I use Time Machine with two backup hard discs. Does Time Machine create an identical copy of the data on both disks, or does it back up more fine-grained snapshots to different disks, so that I have ...
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2answers
16k 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?
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2answers
24 views

Can't create a new partition on an external drive's free space

I have a USB2, 500GB external hard drive that I use for Time Machine backups. In order to test something, I created a new partition in the drive, roughly 30GB in size. Once I was done with my tests, I ...
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2answers
3k views

Can't Delete Partition

I created a partition to run Snow Leopard on my computer running El Capitan and no longer need it. I allocated 20GB to that partition. Here's what I've done. I first go into Disk Utility, select my ...
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1answer
5k views

Fixing a broken hard drive's partition map

I have a drive that is corrupted. Disk utility could not repair the disk, so I attempted to follow some tutorials and repair the partitions using pdisk and testdisk, but things have gone south. Now ...
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1answer
1k views

CoreStorageFamily::unlockVEKs() failed to unwrap the vek, status = e00002bc

I have a filevault2 disk with two partition. One is the boot partition, the other contains data, both are encrypted. Today, after installing the latest 10.8 update (10.8.4 I guess), the computer ...
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1answer
37 views

El Capitan Installer consistently corrups HFS+ superblock

The standard, non-beta El Capitan installer corrupts the HFS+ superblock, and states that it cannot fix the hard drive and cannot continue with installation. (The repair tools won't fix the hard drive ...
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1answer
35 views

WD My Passport 0820 USB HFS+ data disk drive partition problem following accidental use of Recovery Assistant

I have edited this post in view of recent developments I have a 2 TB USB Disk used for all my data. I accidentally ran Lion Recovery Disk Assistant on it, instead of my Pen Drive, to make a bootable ...
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1answer
25 views

Needing to run fsck -fy “often” should I send to repair?

Every month I usually give a go to Onyx so I repair all permissions and such. Every time I do that, I get that I need to repair the Disk and I end up having to boot with the single user (in which I ...
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1answer
22 views

External Hard Drive Doesn't Initialize

I have just purchased an 2.5" external hard drive enclosure to accommodate my 2.5" SATA hard disk for use on my El Capitan 10.11.5 MacBook Pro Retina 15 (A1398) computer. However, every time connect ...
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2answers
2k views

Repair MBR (Windows 10) from OS X

I've messed up my system yesterday. On my iMac I have installed OS X and Windows 10 using Boot Camp Assistant. The Windows MBR is damaged and I can't start it anymore. I get a black screen with the ...
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0answers
13 views

Time Machine Backups - Very Slow and inaccurate size

So about 1 1/2 years ago, I bought a WD My Passport for Mac as my Time Machine backup disk and a place to store files. When the drive gets around 5 or so backups, I still have plenty of free space ...
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1answer
38 views

Format the External Hard Drive from Hell

I have an external drive that is basically completely screwed. It’s just for backups, and I have redundant backups, so I don’t care about losing the data, I just want to completely format it and get ...
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1answer
2k views

Mac Pro hangs at startup showing white screen with spinning pie wheel

MacPro 1,1; lion? startup hard drive failed (with loud buzzing). Removed bad drive, installed replacement, inserted Lion USB drive, verified new drive using the Lion usb drive, started installation ...
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2answers
39 views

OS X hangs up intermittently - spinning beachball of death

My MacBook Pro hangs for 5 to 10 seconds intermittently. Basically, when I either click or type, the computer just hangs and then the spinning beachball shows up and it takes about 5 seconds to ...
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1answer
17 views

Where is the hard disk in the mid 2012 15" Macbook pro with retina

I was following various guides for replacing the hard drive. However my mac does not seem to have the standard 2.5" SSD/SATA drive: see this screenshot: The black rectangular sections are too small ...
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3answers
2k views

How can I reformat an HDD to HFS+ in Ubuntu (without using a Mac)?

I have attached an HFS+ hard drive with Mac OS X installed to an Ubuntu machine because while booting the Mac shows a blinking folder with a question mark. I searched Google and the results say that ...
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0answers
20 views

Transferring Windows 7 OS from my Mac to an external harddrive

So, in disk utility my Windows 7 is under the same internal hard-drive as the Mac OSx, but it shows that my Windows 7 OS is also not-mounted and the format is MS-DOS (FAT). I want to literally just ...
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1answer
34 views

How to install windows 10 using bootcamp?(Hard disk problems)

Here's what I did while installing windows 10 using bootcamp.Firstly,i modified the Info.plist file of bootcamp in order to create a live usb(since I have a MBP with an optical drive).It worked.While ...
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2answers
1k views

Samsung EVO 480 *and* stock hard drive not recognised by Snow Leopard installer

A friend of mine came to me with her Macbook Pro 8,3 (17 inch, 2011). The hard drive had failed, and booting into the recovery disk didn't show a working hard drive. I went out and bought her a ...
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1answer
18 views

How to automatically turn off external hard-drive connected to Time Capsule when idle?

I have a 5th generation AirPort Time Capsule (3TB) with an additional G-DRIVE GEN4 (3TB) external hard-drive attached to it. The external hard-drive has an on/off switch. Is it possible- and how can ...
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1answer
34 views

How to repair a drive after accidentally changing the partition scheme?

I was using the Boot Camp. Somehow I managed to change the GPT partition scheme on my external hard drive to a MBR partition scheme. Below is the output from the command sudo gpt -r -vvv show /dev/...
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3answers
59 views

Swapping HDD RAID 1 with SSD in Mac Mini

I have a Mid 2011 Mac mini with 2x 500G HDD configured as RAID 1. Recently one of the HDD died. I planned to replace the dead HDD with a 500G SSD, and let the RAID 1 rebuild Is this a viable ...
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2answers
45 views

OS X: Can I track what files are being accessed on a disk?

I have several external hard drives. They're consumer drives which "go to sleep" (spin down) automatically when unused; I can't (and don't want to) run them 24x7. I use them strictly for backup and ...
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1answer
56 views

New internal hard drive not spinning on MacBook Pro A1278 13", Mid-2012

The Hitachi 5K750-500 initially installed in the MacBook A1278 13", Mid-2012 failed. I bought a new hard drive (Seagate ST500LT012) but it was not detected by the Disk Utility. I found that the hard ...
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2answers
356 views

6TB drive in Macpro 2008/2010

The 6TB drives have changed their mounting hole configuration. Has any vendor introduced a bracket for the 2008-2010 Macpro (I know these are different from each other, I own both) to handle this? On ...
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6answers
60k views

I can't write to my flash drive, and it is already in the MS-DOS (FAT) Format. Why?

This is my first question on this website. I am using a Mac Air, and I have a flash drive in which I can read from. I am able to copy files from this onto my Desktop, or anywhere on my computer for ...
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1answer
1k views

Can I backup a Time Capsule to a HDD drive connected to its USB port?

I have a 2TB Time Capsule and multiple external HDDs. I recently bought a 4TB external drive, now I'd like all my files, in all my HDDs to go to the 4TB drive that is connected through USB to the ...
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2answers
7k views

How to copy all files with extension/filetype in terminal?

I want to copy all files in ~/Desktop with the extension .jpeg to my flash drive. How can I do this in the terminal?
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1answer
135 views

Moving Time Machine backup between two local disks results in full backup instead of incremental

The Problem After migrating the entirety of a a Backups.backupdb to a new hard drive as recommended by Apple by simply copy-pasting within Finder between two local disks, Time Machine encountered ...
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2answers
2k views

28 pin SSD adapter or enclosure needed for Late 2014 MBP

I've been trying to find an adapter for a Late 2014 MBP Retina SSD. Standard msata didn't fit, and from a few consumer reviews of other enclosures and adpaters, it seems to be uncertain if one exists. ...
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1answer
19 views

how to start operating system on a Samsung SSD when old hard drive was broken so had to replace [duplicate]

Recently went into Apple with my early 2011 MacBook Pro, was told that my hard drive was broken. So I decided to replace it myself with a Samsung 850 EVO, all went okay, but now when I turn it on all ...
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0answers
5 views

Cannot make a new partition out of empty disk space

El Capitain on a Macbook Pro 2012. I have more than 100GB of empty (unpartitioned) space on the main hair drive but the Disk Utility does not allow me to partition it. All the controls (partition name ...
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1answer
2k 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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0answers
17 views

Transferring from HDD to SSD - Error while Migrating Old Data

I recently installed an SSD in my girlfriend's Early 2011 MacBook Pro running 10.9. I put the old HDD in an external enclosure connected it to the computer with a USB cable. I formatted the SSD ...
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4answers
6k views

Deleted photos from MacBook but storage space not reclaimed

I recently ran out of space on my MacBook Pro because I have a lot of pictures saved to it, so I went out and bought an external hard drive (2 TB). I moved every single photo on my MacBook hard drive ...
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27 views

Can I boot from an external drive that has Windows installed?

I have a MacBook in which I installed Windows 7 SP 1 using Boot Camp Assistant. The laptop itself is too old and sometimes I run into glitches, e.g., screen is black but light is on. I also have a ...
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11 views

Macintosh HD partition only 90gb

I was trying to delete my Windows 10 partition but there was an error with bootcamp saying that I couldn't delete the partition. I booted into single user mode and typed the command /sbin/fsck -fy ...
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1answer
14 views

merge empty above the startup disk with startup disk

trying to merge empty greyed space above my yosemite startup disk to make my entire 500 gb hard drive just one whole disk, instead of 250 gb grey above my 250 gb yosemite startup in disk utility?
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2answers
90 views

Hard Drive not showing up in Disk Utility

So I arrived home from school today and wanted to use my iMac, but somehow it wouldn't react. I pressed the power button until it shut down (or crashed...) and rebooted it. After rebooting everything ...
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1answer
2k views

MacBook updated to OS X Yosemite version 10.10 and experiencing problems with hard drive & iPhoto

I updated my MacBook to OS X Yosemite version 10.10. Everything seems to be fine... apart from: My WD hard drive won't open now - it appears on screen, allows me to enter the password to unlock and ...
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12 views

WD Passport USB 3 Drive HSF Journaled is recognised but the drive won’t mount

I accidentally ran Recovery Disk Assistant on my USB HD .Then the Hard drive stopped mounting or showing up in Disk Utility . It showed up in terminal though On Googling i found gdisk to be the ...