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

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Transfer SSD from MBP 2009 to MBP 2012

I'm upgrading from a MBP 2009 to MBP 2012. I installed a SSD drive on the 2009 unit. A few days ago, I got the black screen of death due to the logic board failing. I back up every 30 days using Time ...
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19 views

Hard disk corrupt twice in 24 hours

My Macbook Pro 13" (2011) had a Seagate 1TB hybrid drive installed as a secondary drive some 4 months ago. Yesterday the volume somehow became corrupt and unable to mount. I managed to format it using ...
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16 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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1answer
21 views

exFAT-formatted external drive loses folders

I have an exFAT-formatted 3TB USB drive connected to an iMac running 10.10.3. The system lost power and when it came back up, the drive wouldn't mount. I tried Repair Disk in Disk Utility, and it ...
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2answers
58 views

Bulge in MacBook Pro near Hard drive

I have noticed in that past 24 hours that two rigid and straight "lines" have developed as bulges on my Mid 2010 MacBook Pro 15 inch. They are noticeable when looking at it in the light and you can ...
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23 views

Logical Volume Group 17gb “Available Space”

Can anyone help explain why there is 17gb worth of free space on my LVG I can't seem to do anything with this space. Is there anyway to fix this? I have already reformatted the disk then cloned the ...
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1answer
26 views

How do i get old external drive data onto new external drive (but not also on computer HD) [on hold]

EDIT:Let me try again. Sorry guys I'm fairly adept at understanding things in regards to these machines, but I'm by no means a pro. Just looking for some advice. MacBook Pro 2007 ==> Backed up to G ...
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1answer
50 views

Is it possible to tell if a Macbook hard drive was booted internally versus externally (usb, firewire, etc.)?

Is it possible to tell from system.log or other logs whether a macbook pro hard drive was booted internally or taken out and booted externally (from USB, for example) ? I'm thinking the "BSD root" or ...
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36 views

mid-2009 macbook pro - erased. Now “Mac OS X cannot start up from this disk”. (and cannot install to this disk!)

I have a mid-2009 macbook pro, and the original 10.6.8 installer DVD that it came with. I booted up in recovery mode, and erased the HD (whether or not that was a good idea). My intention was to get ...
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26 views

Software to duplicate external hard drive formatted ExFAT

I have an external hard drive with a 2.9TB ExFAT partition that I keep my photos and other media on. (ExFAT so that I can also see and edit my media on Windows computers.) I just bought a second hard ...
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1answer
22 views

Can SATA negotiated link speed be set lower in software?

Background: I have a MacBook Pro (late 2011) with a SATA III 6Gb SSD installed in place of the optical drive. Sources say this configuration should work, but I've been having problems (read/write ...
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2answers
35 views

MacBook Pro not booting, lost partition

I have a big issue with my MacBook Pro (OS X 10.10.4). I tried to enable yesterday the TRIM on my SSD disk (a Crucial I replaced myself). Everything was working fine since months but after restarting ...
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14 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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1answer
19 views

Late 2006 iMac Issue: Logic Board or Hard Drive?

I have a question. I have a late 2006 17" White iMac, and it is having issues. I don't know if it has a bad hard drive (again..), or if it has a bad logic board, and I have no idea how to check it. I ...
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1answer
19 views

Classic ipod 120gb hardrive crash

When I turn my ipod on I get the red circle with an X in it that tells me to contact apple support. I accessed the diagnostics and when I try to run either of the hard drive test the display says ...
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1answer
30 views

My macbook pro troubleshoot reset with grey screen

My macbook pro is MacBook Pro (13-inch, Mid 2012), 8G ram, and run OS 10.10.4. I have upgraded storage from 500GB HDD to Crucial M550 SSD. I removed dvd drive and use optical bay to keep 500GB HDD as ...
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1answer
24 views

Can files be exchanged between FAT32 and HFS+ partitioned drive?

I just got a LaCie 1TB external hard drive and I have a MacBook Air with OS X 10.8. I often exchange movie and music files with friends that have PCs. If I were to partition my drive to have 250 ...
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13 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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1answer
23 views

Is there a way to automatically update a folder in external hard drive without deleting missing files?

I have a 250GB macbook air. I do a lot of photography, so my SSD gets filled up with photos really quickly. I've been using a 2TB external hard drive to archive the older photos that I no longer need ...
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1answer
36 views

Why won't my Mac Mini with boot camp Windows 7 boot if I plug in a thunderbolt disk drive

I have been using a previous generation mac mini server as a Windows 7 machine for the past two years without any issues. It was set up with boot camp and Windows 7 professional loaded on the internal ...
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18 views

How does my core drive have less storage available than the partition?

When I open Disk Utility, I have a core drive and a partition underneath it. But the core drive shows only 19 MB of storage left. on the other hand, the partition shows 55 GB free. My computer is slow ...
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27 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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1answer
33 views

size of OSX Yosemite, don't understand who only 40 GB let on HD

I installed Yosemite 10.4 on my 500 GB MBP hard drive. I only have 40 Gb left. Though i have : Pictures 88 GB Music 60 GB Movies 5 GB Documents 4 GB Dropbox 6 GB Desktop 0 GB Downloads 1 GB for a ...
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24 views

Mac mini hard drive recovery w/ encrypted partition

My Mac mini failed recently, and after taking it to the Apple store, they said it was the logic board that failed, and it would be $350ish to replace, which was not worth it to me, so I took it back. ...
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42 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 ...
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Is there any way to disable/turn off the hard drive inside an Apple Time Capsule?

I have an old Time Capsule wireless router, 1st generation (MB277LL/A), and whenever I apply changes to it or have to restart it, I have to wait for the hard drive disk inside it to spin up, every ...
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44 views

Why is my HD full of nothing?

I'm running 10.8. Everything is updated. Tried all the usual memory recovery stuff and resets. Disabled time machine. When I look at at the HD folders in terminal, with show all sizes all the files ...
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35 views

Installing OS X from Recovery - Apple ID needs to be reviewed and nothing happens

I had a problem with my hard drive. I backed-up and erased by disk. Now I can't reinstall OS X. Here's what I did: Went to Disk Utilities on startup Erased hard drive Went to reinstall OS X It wants ...
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2answers
67 views

Can't see a specific external hard drive

I was trying to make an NTFS hard drive writable on my macbook. I tried the way mentioned in this link: https://www.maketecheasier.com/write-ntfs-partition-os-x-yosemite/ Now I can make changes on my ...
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2answers
42 views

Disk Drive Partition: Single vs Multiple

Just for my curiosity and knowledge, from a Software and Hardware stand point prospective, what are the pros and cons of creating 2 (two) partition and saving OS X + Applications on one partition and ...
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1answer
47 views

MacBook Pro HDD corrupted files and bad blocks? Find command running for 4 days; Disk Utility reports no errors

Computer: Late 2011 MacBook Pro 13" Factory 500 GB serial ATA (5400 RPM) HDD Problem: A few days ago my computer started running extremely slow — could barely perform the most basic functions ...
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30 views

Disk structure error reported in Onyx but not fixable via the Disk Utility in Recovery Mode

On Yosemite 10.10 Onyx returns the following error: Error: -69845: File system verify or repair failed Underlying error: 8: POSIX reports: Exec format error The disk needs to be repaired. I ...
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1answer
17 views

Disk issues on reboot [duplicate]

I have a rMBP (Mid 2012) that is having disk issues. When verifying the disk, I get three different errors: Incorrect number of file hard links Invalid first link in hard link chain Invalid ...
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68 views

Prohibitory sign on Mac startup running Yosemite

I used disk utility today on my MacBook Pro running Yosemite to create a bootable USB. I don't recall touching the hard drive of my MacBook Pro at all. After I finished the process, I went onto Google ...
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39 views

How can I read/write to several hard drives created on windows 7,8 from OS X

My PC's hard drive - running w8.1- crashed. Bought a mac mini and now trying to retrieve files from crashed disk (and others). All drives have read only permissions, with no locks showing in the get ...
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27 views

Move single user Time Machine backup drive to OS X Server

I have an external hard drive which is currently used as a Time Machine backup drive for a single machine. I'd like to move the drive to my Server machine and use it for network backups for all my ...
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22 views

HD corruption - OS X partition now thinks it's FAT

Well, I've got myself in a bit of a pickle here. I have been trying to do creative (unsupported, of course :^) things with my rMBP. I had been using multiple partitions successfully with OS X 10.9.5 ...
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33 views

System Formatter Failed While Erasing External Hard Drive Mac

I have been trying to erase my external Hard Drive "My Passport", however there was a problem and then the Hard Drive disappeared from the Desktop and could't be found. Only Disk Utility would see it ...
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21 views

Mac OS crashed! Need help extracting backed up data

I have disk image file on my external HDD. I tried to extract file from mac.dmg file using 7z x mac.dmg and this is what I got: Processing archive: mac.dmg Extracting 0.MBR Extracting 1.Type EE ...
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1answer
43 views

Backing up Macintosh HD via Disk Utility (error -5344)

I am trying to backup the Macintosh HD, to my external hard drive via disk utility. I created a blank image and tried to restored my MacintoshHD to that image, but the error pops up, "Restore Failure: ...
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40 views

Boot stuck at Prohibitory screen

I'm using Macbook Pro 2012 running Mac OS X 10.10.3 and earlier today, I was trying to install Linux on a USB drive through Terminal. I first converted the format with this: hdiutil convert -format ...
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17 views

Want to copy whole data disk to ~/Backup/ and then eject, but having trouble finding the disk

I'm trying to write a script that searches for a disk in the external drive, if present have it rip the disk into a folder with the disks name and then eject, then continue searching for that disk. ...
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27 views

Upgrading Mac HD to OWC SSD for a MBP i5 Mid 2012 9,2 . Is Time Machine enough?

The SSD is yet to be delivered but I have already created a bootable USB install of OS X (yosemite) and have done a time machine back up. The question that is haunting me is - Do I need the ...
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51 views

Hard Drive Change SSD - Macbook Pro

My Macbook was slow, and then i've want to make it faster, it is a Macbook Pro from 2011 or 2012, can't remember it. I bought a Samsung SSD 850 EVO. Firstly what i did, was to take out the old ...
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80 views

kernel_task filling up disk

Something weird just happened. I got a warning that my disk was running out of space. I knew that it had like 15GB free before and wondered where all the free space went. I checked Activity Monitor ...
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Replaced OWC Mercury Accelsior E2 that I am using as a start up disk and it keeps disappearing

OWC replaced my Mercury Accelsior E2 because it stopped being recognized on my computer. They said the old one checked out ok even though I did their tests at home before I sent it in. When trying to ...
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2answers
30 views

Seagate expansion drive 2TB not recognized on windows after mac

After i connected my seagate expansion drive to my macbook air, it opened normally as far as i remember But now if i'm connecting it on windows 7, it shows that driver installation and the option ...
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1answer
40 views

My 2011 Macbook Pro won't start - folder with blinking '?'

My Mac will not start up. I went to recovery mode and made a backup of everything on an external drive. Now the Mac only starts up from the external drive. I have OS X 10.10, Yosemite. I tried to ...
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1answer
41 views

Logical Volume Group “Available Space”

Can anyone help explain why there is 17gb worth of free space on my LVG I can't seem to do anything with this space. Is there anyway to fix this? I have already reformatted the disk then cloned the ...
0
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1answer
31 views

Airport Extreme: Macbooks cannot connect to disk drive over wifi; LAN iMac can

Just bought an Airport Extreme. Connected a LaCie 2To hddrive (usb 2). I have set up the drive without issue and can indeed see it in the Finder and browse through the files via my iMac (which ...