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

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Identify disk manufacturer in Macbook Air

I wonder how can I know which is the disk's manufacturer for my Macbook Air. Is there a way to know whether the disk is one of those faulty SSD disk that Apple has recalled.
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3answers
101 views

Diagnosing what's wrong with “vintage” iMac

I have a "vintage" iMac with the following spec: I've been told by an official Apple store that they won't touch it and neither will any Apple resellers so it's left me with two options: Buy a ...
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2answers
242 views

Transfer data from one iMac to another

I have an iMac that sounds as though the hard drive is about to fail. It has the following spec: I then have a newer iMac with the following spec: Is there a way I can transfer all the data from ...
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0answers
531 views

Upgrade Firmware on Samsung 840 when part of a Fusion Drive

I have successfully created a fusion drive using an 256GB Samsung 840 Pro and am loving it - but am experiencing (my first) system crashes (on my mac) ever since when I send my MBP to sleep. I read ...
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99 views

CPU really busy every time I plug in an external HDD

I have a white MacBook, from 2010. I recently upgraded its software from Snow Leopard to Mountain Lion. Now, I am experiencing 2 problems (not sure if related with the OS upgrade or not, but looks ...
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1answer
328 views

Copying files from a failing drive

I have a 2008 iMac in which the drive is failing. SMART status seems ok although AHT reported 4hdd/11/40000000 SATA (0,0) which is the code for disk failure AFAIK. Normal boot fails, Firewire target ...
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1answer
116 views

Tool to Consolidate Data on Multiple Hard Drives and List Differences Between Filesets

I have several hard drives I've used throughout the years to backup my data. Each one has a different folder structure and fileset. I now have a massive NAS that I want to consolidate all my data ...
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2answers
2k views

How to let MacBook Pro recognize my external hard drive as internal hard drive?

I'd like to install Windows 7 on my MacBook Pro, but as the internal hard drive cable is not working, I'm using it with an external hard drive plugged in which OS X is installed on. When I try to ...
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1answer
245 views

Can't Get Files Off Of Old Hard Drive On New MacBook Pro

Recently, I had to upgrade from my originaly MBP (2007) to a new, 15in MBP with Lion. I was able to extract my old hard drive from my old computer and load it onto my new laptop, it reads the drive ...
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2answers
10k 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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3answers
1k views

Run a Windows Virtual Machine on Mac OS X 10.8 with a real Hard Drive partition

I have dual-boot setup on my MacBook using bootcamp. I have 2 partitions: 1 is Windows 7 and the other is Mac OS X 10.8. I have all of my stuff personal stuff setup for the Mac side. I have ...
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0answers
47 views

Recover from deleting all partitions. I don't want to keep OSX

I've tried to install Fedora on my 2007 Mac Mini, using rEFIt to boot from the USB. Thanks to Fedora's horrific excuse for a patitioner, I believe I've deleted all the partitions on the HDD. I had ...
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1answer
1k views

How can I replace a hard drive running BootCamp?

I have actually looked online a bit and found this: https://discussions.apple.com/thread/2069302?start=0&tstart=0 I have a user that sent me their Macbook Air running OSX 10.6.4 and bootcamp. ...
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1answer
118 views

Expanding a partition at the end of a drive to fill the entire drive

I have an external HDD connected to a Lion iMac (though I can use my Mountain Lion Air if it will make the process simpler) that was split right down the middle with two partitions. The first was ...
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1answer
288 views

OS X 10.8.6 installed on USB Flash Drive using most of drive space

I have created an installation of OS X on a small drive. Everything has worked fine apart from the fact that it has used up most of my space. According the file size on each of the folders in the root ...
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1answer
270 views

USB Drive with Mountain Lion Boot-Up Problem

I've tried a few ways to restore the Mountain Lion InstallESD.dmg to a USB hard drive to reinstall on my Mac Mini. I've used Disk Utility Restore, Lion Disk Maker and Carbon Copy Cloner. Each method ...
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1answer
368 views

Space Occupied By Other Files And Folders On Hard Drive

I have been using VirtualBox to create a virtual machine to run Windows 8 on and after deleting the virtual drives and virtualbox due to having issues with Windows 8, I am missing a lot of memory from ...
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1answer
776 views

How do I copy files from Mac on Windows Partition to Mac Partition?

So my mac partition crashed... I've tried to repair disk, fsck, reinstall OS - Everything on every list of I could find on Google, and nothing worked. So I have a back-up of most of my files from ...
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0answers
94 views

Broken FileVault Drive

I'm coming to you having a few issues with my old hard drive. Basically, my MacBook crashed a few days ago. It seems like my disk has some bad sectors and has started a kind of autodestruction ...
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1answer
1k views

Shared library between Macbook Air, iMac, Airport Time Capsule

My Early 2008 iMac alu 24" HD drive has finally died and I'm in the process of replacing it. I've also recently got a 2013 Mac Air. The MacAir SSD drive is small so I want to share the iTunes/iPhoto ...
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125 views

macbook may have corrupted filesystem? or hardware failure? ssd and hhd not interacting properly?

i'm having weird computer problems. i'll explain in detail Setup: Black macbook 1,1 core 2 duo ...
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1answer
1k views

iMac Startup I/O Error Despite Successful Disk Repair

My Early 2008 iMac with OSX 10.8.5 no longer boots beyond grey screen with spinning gear. Verbose mode shows a load of I/O errors. Disk Verify/Repair run via recovery partition completes successfully, ...
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3answers
2k views

How To Securely Erase Free Space Using Terminal?

A friend told me that when you delete a file on your Mac in the normal way it actually stays where it is, but it is just no longer usable by your Mac. The addition of more files to your Mac causes ...
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267 views

Macbook Air hard drive crashed, download Lion without paying again?

2 days ago my girlfriend's MacBook Air crashed (mid 2012, running OS 10.8), only showing the infamous "folder" icon. Usual stuff did not help, reboot pressing alt, cd, etc. We went to an Apple Store ...
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56 views

10.8.5: Resume Disk Utility after a standby

Is it possible to resume a partition resizing operation after the computer went in standby? I've (sadly, without a choice) used my girlfriend's MBA to resize a partition on a disk. I was on battery ...
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1answer
389 views

install NTFS system checks?

I have a external hard drive and I'm checking it with the Disk Utility. However, it gave me an error says ** No NTFS file system checks have been implemented yet. How can I install one?
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1answer
75 views

New SATA cable, same hard drive problem

I was having hard drive problems with my mid-2010 unibody Macbook Pro. I bought a new hard drive and set up it using a SATA to USB cable before installing. Everything worked great so long as I had the ...
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1answer
989 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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433 views

2007 15" macbook pro disk full won't get past login screen

I was trying to help my brother fix his computer: A pop up that comes up at login that will tell you that your startup disk is full, he logs in and the screen gets stuck without loading any files. I ...
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1answer
318 views

If I add an SSD to a non-retina MBP 13" will weight drop to 3.5 lbs

I'm shopping for a new computer for university, and I'm considering the MBP 13". I don't do graphic intensive work, so I do not need the retina display. It's not worth the extra cash. However, because ...
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2answers
136 views

FusionDrive + Encrypted CoreStorage Volume - Problems writing to volume

Has anyone had experience with encrypted (home made!) FusionDrive volumes and intermittent failure of writes to this disk? I'm on a Late 2011 MBP 13" with (currently) 4 GB RAM, a 128 GB SSD and a 750 ...
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1answer
466 views

New HD - Mid 2007 MacBook - Wrong OS Disk

I am trying to install a new hard drive in a MacBook from mid-2007. (Original question re: drive replacement here) I have managed to install the physical drive, and format it ready for the ...
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2answers
1k views

Finder Reports Disk is Full, Other Tools Don't Account for it

I looked at some of the other Q&A here and didn't see a duplicate of this one (e.g., How can I figure out what's slowly eating my HD space? and other linked and related questions). Finder reports ...
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100 views

Cannot boot Ubuntu from USB 2.0 on OS X

I'm running OSX 10.7.5 on a Mac Mini 2012. I'm trying to boot Ubuntu, but keep running into issue, after issue. This is what I have done: Got an extra external hard drive an formatted to MSDOS with ...
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1answer
332 views

RAID 1 with a Mac - how to avoid formatting one of the drives

I have an iMac with an external 2TB HDD. I recently bought a second 2TB HDD in order to build a RAID 1 (mirrored) with the two drives. The problem is that Disk Utility forces me to create a new RAID ...
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1answer
164 views

I have deleted a bunch of music from iTunes on my Macbook Pro, but am not gaining any free space

I am trying to clear off a lot of extra space on my hard drive. I started with about 90 gigs of music today when I had about 45 gigs of space left available. I just deleted almost 40 gigs worth of ...
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1answer
64 views

Why is “Users” file size so big?

Why is "Users" file so huge? I am Migrating my Time Capsule's copy of my Air hard drive back to my Air with brand new Hard drive installed.
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1answer
40 views

Transfer rate between Hard Drives

I am on a 2012 Mac Pro. I just asked it to copy my iTunes music folder which happens to be 40GB. Now, SATA shows a 3Gb speed, so ~320Gb of data should take all of 110 seconds. I know 3Gb is the high ...
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1answer
242 views

Don't wake up external hard disk when saving to internal one

My problem is that I have an external hard drive connected to my Mac. Since it is only used for backup purposes, it is sleeping most of the time. However if I now want to save something (e.g. a ...
2
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1answer
131 views

How to know if a SSD will work on OS X?

I have a 2010 Macbook pro with a hard drive, and I'd like to replace it with a SSD. Information I've read about OS X and SSD is generally quite old, and not reassuring (not all SSD are supported, and ...
2
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1answer
225 views

Hard drive will not format - bad drive or enclosure?

Today, I received from Amazon a Thermaltake BlacX 5G hard drive docking station and a 2 TB Western Digital Green drive. I inserted the drive and was able to format it into a one partition drive. I ...
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3answers
984 views

Is my hard drive starting to fail?

My MacBook Pro (mid-2012, 16GB, i7 2.3) has started to misbehave: very slow to start up and shut down application launches are slow system becomes nearly unusable when "free" memory approaches zero. ...
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2answers
2k views

250GB of hidden space on macbook pro 13"

I have 250 GB of hidden space which I cannot track down. I've tried deleting it on Daisy Disk as an admin but I couldn't delete it. I don't know why it's happening but all I remember is using rEFIt ...
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1answer
98 views

USB drive accessible from Ubuntu laptop but can't find on OSX using Disk Utility or `df``

I have a 3T SATA hard drive in a USB enclosure. I can see it when I connect to my Ubuntu laptop, but I can't get it to be seen on my OSX desktop. My goal is to format from my Mac. I've tried giving ...
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0answers
361 views

Time Machine and case-sensitive HFS

Time Machine defaults to formatting a new drive to Journaled HFS+ (case-sensitive), if you set up the drive from within Time Machine itself. However, my main drive (the one Time Machine will be ...
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0answers
256 views

Something appears to be corrupting my kernel.log file, causing 5-10 second lock ups. What gives?

The Problem: Lately, every 10 minutes or so, my MacbookPro8,2 has been freezing up for 5-10 seconds. During those 5-10 seconds, video/audio content stops playing, all applications lock up, and hitting ...
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1answer
516 views

Partition/Volume grayed out but full read/write access

i have a Mac Server and a partition only for files. The volume is grayed out in the Finder sidebar, but if i go to the folder via CMD + G (go to folder) and type "/Volumes/Server_Daten" the volume ...
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4answers
3k views

Need to replace a hard drive in a macbook

I have been asked to "replace a hard drive in a macbook". I'm able to physically swap out the drive, but I have no idea how mac software works. I have some questions: If I put in a new hard drive, ...
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0answers
127 views

copied files from one drive to another showing incomplete progress bar

Copied files from one drive to another showing incomplete progress bar in mac. When recopying them it seems as they were complete.
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96 views

What is the limiting factor in /dev/zero speed?

I have installed 4 brand-new SATA hard drives in a mac pro. My OS is running on a fifth drive (SSD). I run this command pv /dev/zero -tpreb | sudo dd of=/dev/rdisk1 bs=512k for many hours to ...